You have searched for products starting with "D"

Note: The Dropping Bottles are blown in low density polyethylene (LDPE) and dispense small, uniform drops of liquid when the bottle is pressed lightly.

Note: The Dropping Bottles, Euro Design are low density polyethylene bottles that dispense small, uniform drops of liquid.

Note: The polycarbonate vacuum desiccator keeps samples, crucibles and hygroscopic chemicals dry under vacuum in chemistry, pharmacy and research laboratories.

Note: The plain desiccator is a non-vacuum desiccator for drying and storing crucibles, dishes and samples over a desiccant in chemistry and pharmacy laboratories.

Note: The laboratory draining rack holds test tubes, flasks and bottles on pegs after washing so they drain and dry.

Note: Disarticulated skeleton supplied as separate bones for osteology teaching; material and packing are confirmed on the quotation.

Note: Life-size digestive system in relief on a baseboard, dissectible into 3 parts.

Note: 12-base-pair DNA double helix model, 12 x 12 x 40 cm, that separates into two strands.

Note: Student DNA building kit with 48 complementary-fit bases, 4 strands and 2 rods; 12 x 12 x 46 cm.

Note: Hinged teeth and gums model at 1.5x natural size.

Note: Mechanism of normal labour model showing the cardinal movements, supplied by JaincoLab. For training use only.

Note: Five artery cross-section models showing stages of arteriosclerosis. For teaching use only.

Note: Working disc prolapse simulator, 12 x 11.5 x 9 cm, supplied by JaincoLab. For teaching use only.

Note: Natural-size functional right hip joint with ligaments on a base, supplied by JaincoLab. For teaching use only.

Note: Four-piece hinged diabetes education model with handle and key card, supplied by JaincoLab. For teaching use only.

Note: Diabetic foot teaching models with carrying case, supplied by JaincoLab. For teaching use only.

Note: Disarticulated human skeleton with 3-part skull for osteology study. For teaching use only.

Note: DNA double helix building kit in a case, supplied by JaincoLab. For teaching use only.

Note: Dissecting microscope with revolving arm, 85 x 75 mm glass stage, 10x and 20x.

Note: Distortion factor meter with sine-wave generator, filter circuit and percentage meter, 20 Hz to 20 kHz; 220 V, 50 Hz.

Note: Dual trace oscilloscope, DC-20 MHz, two channels with Alt and Chop, 80 x 100 mm CRT.

Note: Non-contact digital RPM meter, 100-10,000 RPM, LCD, 9 V battery; sensor and manual included.

Note: Hand-held 3.5 digit multimeter: DCV, ACV, resistance, diode test and continuity buzzer; 9 V battery.

Note: Thermocouple calibrator giving 0-200 mV DC and 0-200 mA outputs, with 3.5 digit display.

Note: Digital frequency meter, 1 Hz-50 MHz, 6 digit display, oven-controlled crystal time base.

Note: Direct-reading digital capacitance meter, 1 pF-10,000 microfarad in seven ranges, 4 digit display.

Note: Digital conductivity meter, 0.02 micromho-1 mho, 3.5 digit display; 220 V, 50 Hz.

Note: Panel-mounting digital mains frequency meter, 3 digit, crystal reference.

Note: Digital lux meter, three ranges up to 20,000 lux, 3.5 digit LCD, 9 V battery.

Note: Digital pH and mV meter, pH 0-14, 0.01 pH resolution, temperature compensation, with electrode.

Note: Digital potentiometer for ionic solutions, 0-200 mV, with electrode and standard solution.

Note: Digital gauss meter, 2 k/20 k gauss ranges, 3.5 digit, Hall probe; 220 V, 50 Hz.

Note: Bench digital LCR meter with direct D and Q readings, 4 digit LED; 220 V, 50 Hz.

Note: Diode valve V-I apparatus with 0-300 V regulated supply, 6.3 V filament supply and two meters.

Note: Dielectric constant apparatus for liquids and solids with tuneable HF oscillator and tuning meter.

Note: Diac V-I characteristics apparatus with 0-50 V regulated supply and two meters.

Note: B/W TV demonstrator with CRT, circuit diagram and 4 mm fault sockets.

Note: Colour TV demonstrator with colour CRT, circuit diagram and 4 mm fault sockets.

Note: Two-in-one MW receiver and cassette player/recorder trainer with PCB-tag components and acrylic cover.

Note: MW radio receiver demonstration board with 6 V DC supply and 4 in speaker.

Note: Section-wise CRO demonstration model with fault switches and banana plugs.

Note: Half adder digital trainer using OR, EX-OR and AND gates; details confirmed on the quotation.

Note: Half subtractor digital trainer using OR, EX-OR and AND gates; details confirmed on the quotation.

Note: Full adder digital trainer using OR, EX-OR and AND gates; details confirmed on the quotation.

Note: Full subtractor digital trainer using OR, EX-OR and AND gates; details confirmed on the quotation.

Note: Adders and subtractors digital trainer realised with NAND gates only; details confirmed on the quotation.

Note: TTL digital trainer for RS, D, T, JK and JK master-slave flip-flop truth tables.

Note: NAND gate flip-flop digital trainer for RS, JK and T type (D type also listed).

Note: R-2R ladder DAC apparatus with 5 V and 15 V regulated supplies and a built-in voltmeter.

Note: Binary-weighted resistor DAC apparatus with regulated supplies, voltmeter and four SPDT switches.

Note: Dual 0-30 V, 1 A power supply with +/-0.1% stabilisation and four meters; 220 V, 50 Hz.

Note: Dual 0-15 V, 500 mA power supply with fixed +5 V 400 mA output, protection and two meters.

Note: Direct-reading digital moisture tester, 8-40% range, ±0.2% accuracy, 31 x 18 x 19 cm, 10 kg without box; no conversion table needed.

Note: Digital moisture meter with 5-40% measuring range and 5-50 °C temperature range; further details are confirmed on the quotation.

Note: Infrared moisture analyser with built-in software for heating rate and wet or dry basis calculation; supplied by JaincoLab with aluminium pans, tweezers, mains lead and manual.

Note: Counts seeds of 1 mm to 15 mm, up to 9999 grains per batch; further specifications are confirmed on the quotation.

Note: The dv/dt limitation of SCRs trainer is a power electronics board for studying how fast the voltage across an SCR can rise before it turns on unintentionally, and how that limit can be raised.

Note: The DC step-down MOSFET chopper trainer is a power electronics board for studying a MOSFET buck chopper.

Note: The DC to AC inverter trainer shows how a multivibrator circuit converts a 12 V battery supply into AC that lights a 40 W, 230 V lamp.

Note: The energy band gap trainer determines the energy band gap of a P-N junction diode from its reverse saturation current at different temperatures.

Note: The De Sauty bridge trainer is used to study the working of a De Sauty bridge and to compare the capacitances of two capacitors.

Note: The digital lab is a compact breadboard trainer for building regular digital circuits with solder-less interconnections, with clock generators, logic level input and output indicators and DC regulated power supplies built in.

Note: The digital trainer is a breadboard trainer for introductory digital logic, from LED displays, pulses and logic levels to gates, a three-state buffer, an RS latch, a JK flip-flop, a monostable multivibrator and an asynchronous up/down counter.

Note: The digital lab station is a digital electronics trainer whose listed experiments run from logic gates, Boolean identities and code converters to counters, shift registers, encoders and decoders, CMOS-TTL interfacing and a crystal oscillator.

Note: TTL digital logic trainer board with built-in supplies and breadboard; supplied by JaincoLab.

Note: Digital logic trainer with a 1680 tie-point breadboard, fixed 5 V and variable 0 to ±18 V supply, 1 Hz to 1 MHz clock, 16 logic switches, 16 LEDs, a 4-digit seven-segment display and 29 ICs.

Note: The TTL digital IC trainer is a breadboard trainer for gate-level experiments with 7400-series ICs: OR (7432), AND (7408), NOT (7404), NAND (7400), NOR (7402) and EX-OR (7486) are provided.

Note: The DSB and SSB-SC amplitude modulation and demodulation trainer puts a complete AM system on a single 300 x 400 mm PCB.

Note: The delta modulation and demodulation board is used to study delta modulation of an analog signal and its demodulation.

Note: The digital time division multiplexing trainer is used to study how several digital data channels share one line by time division multiplexing and are separated again.

Note: The differential pulse code modulation trainer has a DPCM encoder and decoder with a 10-100 Hz audio frequency oscillator for the modulating signal, a -5 V to +5 V variable DC output, and 5 V and ±12 V regulated supplies.

Note: The DPSK modulation and demodulation board generates a differential phase shift keyed signal and demodulates it.

Note: The DSB and SSB AM transmitter trainer is used to study carrier generation, DSB and SSB AM generation and transmission, and transmitter tuned circuits.

Note: Superheterodyne DSB and SSB AM receiver trainer, 980-1650 kHz with 455 kHz IF, diode and product detectors, AGC, telescopic antenna or cable input, 8 switched faults and 50 test points.

Note: The digital to analog conversion trainer is a self-contained board for studying the basic principle of D/A conversion.

Note: The digital IC trainer is a self-contained board for building digital IC circuits in engineering college and polytechnic laboratories.

Note: The digital multiplexer board shows eight input signals being multiplexed to one output under three control signals, using the 74151 8-input multiplexer IC.

Note: The 40 MHz digital storage oscilloscope is a two-channel bench instrument with an external trigger input, used in electronics, communication and physics laboratories to capture, store and measure signals.

Note: This digital storage oscilloscope listing covers bench DSOs offered in 25 MHz, 60 MHz, 100 MHz, 150 MHz and 200 MHz bandwidth versions, for capturing, storing and measuring electrical signals in electronics and physics laboratories.

Note: The dual channel digital storage oscilloscope in this listing is a 60 MHz, two-channel DSO sampling at 500 MSa/s in real time, with a 5.7-inch colour TFT LCD and a 4K memory depth.

Note: The four channel digital storage oscilloscope is a 70 MHz bench DSO with four independent input channels, 2 GS/s sampling and a 7-inch display.

Note: This digital storage oscilloscope listing covers dual-channel DSOs in 100 MHz, 200 MHz and 300 MHz bandwidth versions, each with 2 GSa/s real-time sampling, a 24k memory depth and a colour TFT LCD.

Note: Vigreux distillation columns in 360 mm and 600 mm effective lengths, B24 socket and cone.

Note: Distillation heads in six flask-cone, condenser-cone and socket combinations from B10 to B24.

Note: Claisen sloping distillation heads in five combinations from B14/B14/B14 to B29/B29/B14.

Note: Sloping splash heads in five flask-cone and condenser-cone combinations from B19/B19 to B34/B34.

Note: Vertical splash heads in three flask-cone and condenser-cone combinations: B19/B19, B24/B19 and B24/B24.

Note: Splash head adapters in B19/B24 and B24/B24 flask-cone and condenser-cone combinations.

Note: Sloping steam distillation heads in B19/B19 and B34/B19 flask-cone and condenser-cone combinations.

Note: Double oblique borosilicate glass stopcocks with PTFE key in 2 mm and 4 mm bore sizes.

Note: Double oblique borosilicate glass stopcocks with glass key in 2 mm and 4 mm bore sizes.

Note: Quick-setting Indian pattern dumpy level, 20x, in 225 mm or 175 mm length, complete with folding tripod and plastic carrying case.

Note: Classroom data collection board for data handling lessons. Size, materials and accessories are confirmed on the quotation.

Note: Decimal abacus with a 15 x 4 cm wooden base, 7 metal spikes and 70 beads in 7 colours.

Note: Grid-printed 10 x 10 cm decimal plate with translucent strips for decimal multiplication.

Note: Magnetic foam circle, 28 cm diameter, cut into 16 equal sectors for circle-area and pi demonstrations.

Note: Printed card game, 29 x 25 cm, for learning descending order of numbers.

Note: Set of 72 equilateral triangles in 3 colours for fraction and pattern design activities.

Note: Junior plastic dish balance with two pans, weighted numbers and weights for comparing numbers and masses.

Note: Division board, 27 x 27 cm, using diagrams and images to teach division.

Note: Dummy cheque book and pay-in-slip book, 50 leaves each, for classroom banking and money lessons.

Note: Fibre sheet dummy clock with movable hour and minute hands for time lessons.

Note: Dummy currency set from Rs 1 to Rs 1000, 5 pieces of each, for classroom money activities.

Note: Activity set for finding the value of pi from circumference and diameter.

Note: Down-draught dispensing and sampling booth with pre, intermediate and HEPA filters, two differential pressure gauges and DOP port.

Note: Forced-air industrial drying oven, 900 x 600 x 600 mm; temperature range is confirmed on the quotation.

Note: Quartz controlled digital stop clock, 999.9 s range, 0.1 s resolution, 230 V AC.

Note: Double beam balance, 210 g on the beams with 0.1 g readability, up to 2000 g with supplementary masses.

Note: Combined pH, conductivity and temperature bench meter with adjustable cell constant.

Note: Digital potentiometer for potentiometric, ORP and acid-base titrations, supplied with four electrodes and stand.

Note: Bench digital pH meter supplied with combination electrode, 4 and 7 pH buffers, temperature probe, stand and dust cover.

Note: Microcontroller conductivity and TDS meter with five automatic ranges and automatic cell constant measurement.

Note: Microcontroller digital conductivity meter with automatic ranging, cell constant adjustment and a check facility for calibration.

Note: Mains-operated digital conductivity meter with platinum dip cell and adjustable cell constant, in laboratory and field models.

Note: Microcontroller salinity meter with three automatic ranges and automatic cell constant measurement.

Note: Battery-operated portable dissolved oxygen meter in an ABS body with carrying case for field and laboratory use.

Note: Handheld battery-operated dissolved oxygen meter with amperometric probe and carrying case.

Note: Digital turbidity meter reading scattered light at right angles, listed in three range versions.

Note: Bench digital colony counter with marker pen, audible count confirmation and illuminated counting pad.

Note: Filter fluorometer for fluorophore and quinine determinations with halogen source and photodiode detector.

Note: Digital tablet friability tester with acrylic drums at 25 rpm and a preset revolution counter.

Note: Six-channel digital tele-thermometer that monitors six animal temperature probes through a rotary selector.

Note: Digital flame photometer in single or dual channel versions, with filter disc selection and a separate oil-free compressor.

Note: Stainless steel double cone blender on plummer blocks with gearbox drive and inching arrangement, 5 kg or 10 kg.

Note: Electrically operated tablet disintegration tester, offered with a single or double basket.

Note: Four steel hammers at about 3000 RPM in a drum, with coarse, medium and fine screens and a 220 V AC single-phase motor.

Note: Stainless steel basket in a 1000 ml flanged vessel, 25-150 RPM, test temperature 37 ± 0.5°C; works on 220 V AC, 50 Hz, single phase.

Note: All stainless steel Manasty type wall-hanging water still, 2 to 20 litres per hour, 220 V AC.

Note: Barnstead type table model water still, double walled stainless steel, 10 to 25 litres per hour.

Note: Digital rotary microtome, cam drive feed 1-50 microns in 1 micron steps, on a cast iron base.

Note: Digital manometric respirometer with stainless steel bath, 7 manometers a side and temperature control to within ±0.5 °C.

Note: Du Bois-Reymond key on vulcanite base with table clamp for stimulating circuits in experimental physiology.

Note: Laminated and full-colour 58 x 90 cm wall chart on the different kinds of cells studied in electrochemistry with plastic rollers, for Class 10 and Class 12 chemistry.

Note: Laminated and full-colour 58 x 90 cm wall chart on the dynamo with plastic rollers, for middle-school science and Class 10 physics.

Note: Laminated and full-colour 58 x 90 cm wall chart on the semiconductor diode with plastic rollers, for Class 12 physics and electronics diploma courses.

Note: Laminated and full-colour 58 x 90 cm wall chart on the structure of DNA with plastic rollers, for Class 12 biology and B.Sc genetics.

Note: 70 x 100 cm wall chart on digestive system, for secondary school biology classes and nursing training.

Note: 70 x 100 cm wall chart on Dr. A. P. J. Abdul Kalam, for school science classrooms and laboratories.

Note: 70 x 100 cm wall chart on Dmitri Mendeleev, for school science classrooms and laboratories.

Note: 70 x 100 cm wall chart on Dr. Vikram Sarabhai, for school science classrooms and laboratories.

Note: Laminated 70 x 100 cm wall chart on deficiency diseases, for school science and home science classes.

Note: Laminated wall chart on dysentery with plastic rollers, for health education classes in schools, colleges and nursing courses.

Note: Laminated wall chart on diabetes with plastic rollers, for health education classes in schools, colleges and nursing courses.

Note: 50 x 75 cm wall chart on division, for primary school mathematics classes.

Note: Laminated 50 x 75 cm wall chart on directions, for middle and secondary school geography classes.

Note: Laminated 50 x 75 cm wall chart on day and night, for middle and secondary school geography classes.

Note: Laminated and full-colour 50 x 75 cm wall chart on denudation with plastic rollers, for secondary school geography classes.

Note: 70 x 100 cm wall chart on India's weather in December with plastic rollers, for school geography classes.

Note: 70 x 100 cm wall chart on the life of Dr. Sarvepalli Radhakrishnan, for school history and social studies classes.

Note: 70 x 100 cm wall chart on the life of Dr. B.R. Ambedkar, for school history and social studies classes.

Note: 70 x 100 cm wall chart on the map of Delhi with plastic rollers, for school geography and social studies classes.

Note: Lifeboat-style drum compass for outdoor use and nautical display, supplied by JaincoLab.

Note: Digital planimeter for map and drawing measurement, supplied by JaincoLab.

Note: Dumpy level with U bubble arrangement, supplied by JaincoLab.

Note: Electronic digital theodolite for survey and alignment work, supplied by JaincoLab.

Note: Spike abacus on a 15 x 4 cm wooden base with 7 metal spikes and 70 beads in 7 colours.

Note: 10 x 10 cm grid plate with translucent 10 x 2 cm and 10 x 1 cm strips.

Note: 72 equilateral triangles in 3 colours for fraction and pattern work.

Note: 28 cm magnetic foam circle in 16 equal parts for the area of a circle demonstration.

Note: Play money set, dummy currency Rs. 1 to Rs. 1000.

Note: Printed 29 x 25 cm card game for descending order of numbers.

Note: Division practice board; size, material and parts confirmed on the quotation.

Note: Fume hood with phenolic resin liner and worktop, spill tray, 780 lux lighting and optional alarm controller.

Note: All-glass water distillation apparatus with fused-in heating coil and double-wall coiled condenser.

Note: Defibrillator with large non-fade ECG monitor and strip recorder for medical and nursing training.

Note: Dry bath incubator, ambient +5 to 100 °C, PID control with timer, one 96 x 96 x 49 mm heating block.

Note: Digital electrophoresis power supply, 0-500 V, 0-100 mA, constant current and constant voltage modes.

Note: The compass box is removable from the wooden base.

Note: Intended for magnetometer experiments.

Note: Maximum display 1999 on a 16 x 48 mm LCD. Supplied with battery, test probes, instruction manual and case.

Note: Teaching impellers of pumps and turbines. Selection, sizes and materials are confirmed on the quotation.

Note: On-board power supplies, function generator and breadboard. Supplied with a set of components and connecting wires.

Note: Rated for full-scale operation over long periods. Model reference PR 240.

Note: Two ratings listed, PR 230 (2 A) and PR 231 (5 A). Rated for full-scale continuous operation.

Note: Needle rolls on agate knife edges and can be locked with a V clamp. Tripod stand with three levelling screws.

Note: One of a series of models demonstrating different gearing systems.

Note: Sold per 500 g packet. For Ni-Fe cells.

Note: Bare copper, Eureka and nichrome wires are wound on reels. Gauges and pack sizes as listed.

Note: Shows the construction and operating principle of DC and AC generators.

Note: No dry ice needed. Includes the water-recirculating pump, lighting and high-voltage source.

Note: Golden dial with black markings for easier reading. Adjustable bezel with lock.

Note: Microprocessor-based digital readout with thumb lock.

Note: Sizes 1-25 mm and 5-50 mm. Zero-set at any position; data output.

Note: Nickel plated; double-adjustable 2 or 3 prong head with integrated bosshead.

Note: Plate tectonics model of a divergent (constructive) boundary; size, material and base are confirmed on the quotation.

Note: Landform model of a river delta; size, material and base are confirmed on the quotation.

Note: Rigid PVC 3D wall model on crustal deformation; size is confirmed on the quotation.

Note: Sharp-pointed 6 in dissecting forceps in surgical grade steel, offered in regular and heavy types.

Note: Large wooden dice for probability lessons.

Note: Set of 12 wooden drawing models in four sizes and finishes.

Note: ABS-boxed technical drawing set with 15 cm compass and divider, centre-wheel instruments and inking points.

Note: Set of 14 surgical steel dissecting instruments for biology labs; the instrument list is confirmed on the quotation.

Note: Set of 18 surgical steel dissecting instruments in regular and superior types; the instrument list is confirmed on the quotation.

Note: Plastic-handled dissecting needles about 5 in long for separating tissue in small plant and animal specimens.

Note: Stainless steel dissecting scissors about 10 cm long for biology dissection and general lab cutting.

Note: G.I. sheet dissecting trays about 12 x 8 x 1.5 in, with or without a wax lining.

Note: Wooden three-wheel dynamics trolley with a spring-loaded launch rod for school mechanics practicals.

Note: Hand-driven open-frame dynamo model that lights a bulb, for classroom demonstration of electricity generation.

Note: Motor-driven open-frame dynamo model for demonstrating generation of electricity without hand cranking.

Note: Diesel engine teaching model in 2 stroke or 4 stroke versions, mounted on a base.

Note: Powder free disposable latex gloves with beaded cuff, 100 per pack.

Note: Use-and-throw gloves in economy and regular types, 100 per pack.

Note: Digital humidity and temperature meter for classrooms, labs and school weather stations.

Note: Digital ammeter with 0-1.999 A and 0-19.99 A ranges.

Note: Diode valve on a transparent base with colour-coded sockets.

Note: Softwood dissecting board, 8 x 10 in or 12 x 18 in.

Note: Steel deflagrating spoon with lid, 90 mm, cork-held rod.

Note: Demonstration transformer with one main and three secondary coils.

Note: Daniell cell: zinc rod, porous pot and copper container.

Note: Mechanical double beam balance for school and college weighing, reaching 2 kg with supplementary masses. It has a 150 mm pan and a full tare beam.

Note: Hard glass dropping bottle for reagents, in different models and sizes.

Note: Compact dry block incubator with anodised aluminium blocks, up to 130°C, with built-in temperature probe.

Note: Dynamometer for force and grip strength measurement; capacity and construction confirmed on the quotation.

Note: Electronic digital dial gauge, 60 mm nominal size, large LCD, data output available.

Note: 40 MHz two-channel combined analogue and digital oscilloscope with RS232 interface.

Note: Digital two-timer chess clock; specification confirmed on the quotation.

Note: Stop watch for laboratory and sports timing; specification confirmed on the quotation.

Note: Compact economy digital stop watch with basic functions.

Note: Dial thermometer for laboratory temperature monitoring; range confirmed on the quotation.

Note: Digital stem thermometer, -50 to 200°C, ±1°C accuracy, 205 mm long, LR44 battery.

Note: Double-ended stainless steel spatula.

Note: Dumb-bell PTFE stirring bar for viscous mixtures and round-bottom vessels.

Note: Dropper teats; material and sizes confirmed on the quotation.

Note: Diffusion tube for a bromine diffusion kit.

Note: 14-piece stainless steel dissecting set in zipper leather case.

Note: Takes 15 x 80 mm sample test tubes with a 4 ml minimum sample; works on 230 V ± 10%, 50 Hz AC; approx. 260 x 335 x 160 mm.

Note: Glass tube with rubber stoppers and capillary tubing for measuring water uptake by a leafy shoot.

Note: Digital spirometer for teaching lung function measurement; model and specification confirmed on the quotation.

Note: Digital thermometer with LCD display, about 60-second readout, last-reading memory and beeper, for teaching labs.

Note: Teaching model depicting pharyngeal pseudomembrane and neck swelling of diphtheria for paediatric infectious disease classes.

Note: Teaching model depicting full-term fetus in normal delivery position with placenta, umbilical cord, cervix and vagina for childbirth and obstetrics classes.

Note: Power-operated digital electronic balances with automatic calibration and backlit LCD; the model and capacity are confirmed on the quotation.

Note: Electric bell demonstration model on a wooden board, all parts visible, working on 3-4 V DC.

Note: Three-chamber wooden dark germination chamber with interchangeable shutters for phototropism experiments.

Note: Working day and night model using a globe and a candle as the Sun.

Note: Variable 0-30 V DC regulated power supply in 1.0 A, 2.0 A and 5.0 A versions.

Note: Hand-held desoldering pump for removing molten solder in electronics labs.

Note: Open DC motor model with 2-pole armature, removable magnet and disc commutator, operating on 6-8 V DC.

Note: Compact 6-in-1 digital altimeter with barometer, thermometer, compass, forecast and clock.

Note: Digital conductivity meter with 3 1/2 digit LED, 5 ranges and spare cells of constant 1, 0.5 and 0.1.

Note: Digital dissolved oxygen cum temperature meter with gold/silver DO probe, RTD temperature probe and stirrer.

Note: Digital multimeter for voltage, current and resistance measurement; ranges are confirmed on the quotation.

Note: Digital penetrometer with height-adjustable head for penetration tests; range and probes are confirmed on the quotation.

Note: Digital pH meter, 0-14.00 pH at 0.01 resolution, in auto-temperature table, table and portable models.

Note: Digital stopwatch with start, stop and result buttons, batteries installed, for timing experiments.

Note: Electrostatics discharger with brass spheres on an insulated handle, about 30 cm long.

Note: Dissecting kit of 18 surgical steel instruments in regular and superior types.

Note: Low-power dissecting microscope for observing specimens during dissection; magnification is confirmed on the quotation.

Note: Draining rack with 20 pegs, drip tray and drain tube for drying washed glassware.

Note: Soft wood drawing board for pinning specimens and diagram sheets, in different sizes.

Note: Drawing board with sturdy steel stand for demonstrating specimens and project sheets.

Note: Drawing pins for fixing charts, sheets and specimens to walls and drawing boards.

Note: Two-chamber incubator shaker for controlled-temperature laboratory incubation; ratings are confirmed on the quotation.

Note: Bench meter for pH, conductivity and temperature with 3 1/2 digit red LED display and cell constant adjustment; 230 V AC.

Note: Forced-air gas burner training unit with fault simulation, real burner components and PLC.

Note: Training panel for domestic gas pipework: pipe sections, two gas meters, leak finding, pressure controllers and leak tester.

Note: Central heating circuit trainer with controller, 4-way mixing valve, pump, rotameters, plate heat exchangers and thermometers.

Note: Heating boiler training unit with oil-pressure operating points, hot water circuit, plate heat exchanger and cooling water connections.

Note: Solar domestic water heating system with copper absorber, toughened glass and PUF-insulated stainless steel tank.

Note: Dial type resistance box with constantan or manganin coils, 0.1 to 1000 ohm dials, Bakelite panel.

Note: Direct vision prism spectroscope, 400-750 nm, variable slit, with or without wavelength scale.

Note: Paramedic portable semi-automated external defibrillator, listed for ACLS and BLS training.

Note: All-glass double-stage water distillation unit with heating-wire elements and automatic water level control.

Note: Textile dry cleaning apparatus with stainless steel tumbler at about 45 rpm.

Note: Plastic dog acupuncture model, 29 cm, with numbered points, coloured anatomy and English booklet.

Note: Two-column cation-anion deionizer with conductivity meter, 30-50 or 75-100 L/h.

Note: Recirculating Darcy's law apparatus for the coefficient of permeability of a porous medium.

Note: Single-use 20 ml syringes with a 23G needle for measuring and dispensing liquids in the laboratory.

Note: Short glass dropping pipette, about 75 mm long, supplied with a teat.

Note: Glass dropping bottles with ground-in teat pipettes in 30, 50 and 125 ml sizes.

Note: 1.7 ml dropping pipettes with rubber teats, 110 mm long.

Note: 250 ml round-bottom, long-neck distilling flask.

Note: Folding-pouch dissecting kit with 13 instruments for biology and zoology practicals.

Note: Wax-bottomed dissecting dishes, 290 x 190 x 40 mm.

Note: Hardwood-handled dissecting needles, listed length 33 mm.

Note: Pen-type digital pH meter reading pH 0-14 to 0.1 pH, with two-point calibration and LR44 batteries.

Note: Soda lime glass delivery tubes, 5-6 mm OD, straight or bent in mixed packs.

Note: 300 mm hardwood dynamics trolleys with ball bearing wheels, quick release mechanism and reinforced ends.

Note: Digital multimeter with LCD, rotary switch and three lead sockets, for voltage, current and resistance.

Note: Dual-range DC ammeter, 0-1 A and 0-0.5 A.

Note: Teaching model depicting postmortem decomposition changes for thanatology and postmortem-interval study for postmortem changes and thanatology classes.

Note: Teaching model depicting classification of burn injuries by degree of skin and tissue involvement for burn classification classes.

Note: Life-size pelvic delivery trainer with soft fetal skull for delivery and vacuum-delivery practice.

Note: 10-part model of fetal development within the uterus through gestation.

Note: Board-mounted transverse section model of a dicot leaf, supplied with a numbered key card.

Note: Vertical section model of a typical mesophytic dicot leaf on a plastic base, with a numbered key card.

Note: Three-part colour model of a dicot root tip in cross and longitudinal section, on a board with numbered key card.

Note: Transverse section model of a sunflower (dicot) stem showing tissues and vascular bundles, on a board with numbered key card.

Note: Four upper and lower jaw halves cast from a natural specimen, showing dentition from newborn to young adult.

Note: Enlarged dental care demonstration model with a big-size brush.

Note: DNA double helix construction kit with snap-together bases, flexible backbone strands and a rotating base; supplied by JaincoLab.

Note: The biochemical sequence that results in diabetic ketoacidosis for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: Eight-part flower model enlarged 10 times showing angiosperm fertilization, on a base with a key card. For teaching use only.

Note: The structure of DNA compared with RNA for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: Semiconservative DNA replication and the enzymes involved for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: The synthesis of messenger RNA from a DNA template for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: The major pathways cells use to repair damaged DNA for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: Models listed as DAB 220, DAB 120 and DAB 60; linearity +/-0.2 mg; response 4-5 s; AC adaptor 220 V, 50-60 Hz.

Note: Capacities 50 g, 100 g and 200 g; accuracy within 15 mg for weighing up to 100 g; weight box not included.

Note: Capacity 130 kg, graduation 500 g; 26 x 26 x 5 cm; 1.7 kg. Duchess DX: height-weight chart, ABS plastic top cover and matching mat.

Note: The causes and course of urinary tract infection for classroom and laboratory teaching. Dimensions and material are confirmed on the quotation.

Note: Display listed as 4 digit (999 max); dish size 110 mm; magnification x1.7; 260 x 255 x 170 mm; supplied with marking pen, magnifier lens with stand, lens holder, straight rod, dust cover and manual.

Note: Double-walled stainless steel drying cabinet with blower circulation and microprocessor Pt100 control, approx. 30 to 600 litres.

Note: Digital coating thickness gauge with live reading statistics.

Note: Digital Brix refractometer with automatic temperature compensation and serial output.

Note: Cambridge Viscosity pro 1600 in-line digital viscometer for process monitoring.

Note: Pocket laser distance meter, 10 cm to 30.5 m, 3 mm accuracy, splash and dust proof, running on two AAA batteries.

Note: Transducer-based digital pressure monitor with 3-digit display for GC gas lines and HPLC solvent streams.

Note: Disc centrifuge unit for continuous emulsion separation; supplied by JaincoLab.

Note: Rotary vacuum drum cell filter for continuous cake filtration; supplied by JaincoLab.

Note: Manual glass-column distillation trainer for process operators; supplied by JaincoLab.

Note: Digital melting point apparatus: stirred silicone oil bath, PT-100 sensor, 3-digit LED display.

Note: Dynamic pass box for transferring material into clean areas; UV lamp, HEPA filter and air shower facility are optional.

Note: Down-draught dispensing booth with HEPA filter, made in custom sizes; full specification is confirmed on the quotation.

Note: Microprocessor double beam spectrophotometer, 190-1100 nm, with graphical LCD, USB and provision for an 8-position cell changer.

Note: Variable-speed metallographic disc polishing machine with 8 inch bronze disc, in single and double disc versions.

Note: Electronic rain gauge in wired or wireless versions for school weather stations.

Note: Borosilicate double water distiller in 1.5 and 4.0 litres/hour outputs, made by JaincoLab.

Note: Softwood dissecting board, 550 x 380 mm, for pinning and cutting specimens.

Note: A 14-piece stainless steel dissecting set in a canvas case for student dissection practicals.

Note: Aluminium dissecting tray, 300 x 200 x 45 mm, supplied with wax.

Note: Large 12.75 x 9 in dissection pan with reusable pad and cover, supplied by JaincoLab.

Note: Class set of 15 large dissection pans with reusable pads and covers, supplied by JaincoLab.

Note: Medium 11.5 x 7.5 in dissection pan with reusable pad and cover, supplied by JaincoLab.

Note: Set of 15 medium dissection pans with reusable pads and covers, supplied by JaincoLab.

Note: Small 10 x 7 in dissection pan with reusable pad and cover, supplied by JaincoLab.

Note: Large reusable dissecting pad, 30 x 20 cm and 10 mm thick, supplied by JaincoLab.

Note: Medium reusable dissecting pad, 26.5 x 16.5 cm and 10 mm thick, supplied by JaincoLab.

Note: Small reusable dissecting pad, 25 x 14 cm and 10 mm thick, supplied by JaincoLab.

Note: Straight stainless steel dissecting needle, 95 mm long, pack of 5.

Note: Porous pot also available as a spare (JA-LE-6837). Solutions confirmed on the quotation.

Note: 110 mm straight stainless steel dissecting scissors with fine points.

Note: 125 mm curved stainless steel dissecting scissors with blunt points.

Note: 145 mm straight stainless steel dissecting scissors with blunt ends.

Note: Spare part for the Daniel cell JA-LE-6833.

Note: Glass beaker and metal stands not included.

Note: Sickle-cell anaemia gel electrophoresis kit for a class of 40, supplied by JaincoLab.

Note: Double gel electrophoresis chamber in clear acrylic with platinum electrodes, trays and combs, supplied by JaincoLab.

Note: Root tip squash activity for viewing mitosis, for 30 students, supplied by JaincoLab.

Note: Clever Catch question ball on drugs and alcohol, supplied by JaincoLab.

Note: Single-use filtered breathing mouthpiece, supplied by JaincoLab.

Note: Pack of 100 disposable mouthpieces, supplied by JaincoLab.

Note: Single-use nose clip for breathing activities, supplied by JaincoLab.

Note: A 178 x 178 cm digestive system floor mat with storage bag and teacher's guide, supplied by JaincoLab.

Note: Set of four jaw models showing dentition from newborn to young adult, made by JaincoLab.

Note: Three-part model of the structure of the human digestive canal, made by JaincoLab.

Note: Double folding magnifier with two 25 mm lenses, made by JaincoLab.

Note: Classroom activity kit on dissolving and changes of state; contents confirmed on the quotation.

Note: Model kit for a model of a detergent (surfactant) molecule; the piece count is confirmed on the quotation.

Note: Dissolved oxygen colour test kit with fifty tablets.

Note: Model kit for a 3-D tetrahedral lattice model of diamond; the piece count is confirmed on the quotation.

Note: Two attachments included: 0-10 A DC and 0-20 V DC. PP3 battery supplied.

Note: Set of 12 density cubes, each 20 mm, in 12 different materials.

Note: Set of 5 aluminium density cubes, each 20 mm.

Note: Set of 5 brass density cubes, each 20 mm.

Note: Set of 5 copper density cubes, each 20 mm.

Note: Set of 5 lead density cubes, each 20 mm. Wash hands after handling lead.

Note: Set of 5 plastic density cubes, each 20 mm.

Note: Set of 5 steel density cubes, each 20 mm.

Note: Set of 5 stone density cubes, each 20 mm.

Note: Set of 5 wooden density cubes, each 20 mm.

Note: Set of 5 zinc density cubes, each 20 mm.

Note: Set of seven 10 mm metal density cubes: brass, lead, steel, copper, aluminium, iron and tin.

Note: Hinged 1.5x dental model of teeth and gums. For teaching use only.

Note: Double disc metallographic polishing machine with thyristor-controlled speed of 50 to 1200 rpm.

Note: Table-top digital metallographic polishing machine with 50 to 1200 rpm variable speed.

Note: Condensation apparatus for dropwise and filmwise heat transfer on two copper tubes, with 8 litre steam generator.

Note: Needs four D-size cells, which are not included. Outputs of 1.5, 3, 4.5 and 6 V DC are taken from 4 mm sockets.

Note: Dicot leaf anatomy model, 25 x 33 cm, made by JaincoLab.

Note: Dicot root transverse section model, 25 x 33 cm, made by JaincoLab.

Note: Dicot stem transverse section model showing tissues and vascular bundles, made by JaincoLab.

Note: Dicot woody stem teaching model, approx. 340 x 340 x 260 mm, made by JaincoLab.

Note: 20 MHz dual channel oscilloscope, 5 mV/div, X-Y mode, 6-inch CRT; microphone included.

Note: Gold leaf electroscope with insulating bush, metal case, 4 mm earthing terminal and deflection scale.

Note: Simplified dynamo that converts mechanical rotation into electrical energy, with 4 mm socket output and a lamp to indicate the output.

Note: Laminated low-loss transformer core for step-up and step-down demonstrations, designed for the full range of interchangeable coils and the U-core and clamps.

Note: Moving coil DC-only ammeter with two ranges, 0-1 A and 0-5 A, and 4 mm socket terminals. Quantities and accessories are confirmed on the quotation.

Note: Scale dial 0-10 A DC for the demonstration meter housing, with the shunt sealed in a moulded box on the panel. Other dial ranges are quoted on request.

Note: Digital meter reading electric charge up to 1999 nC with 10 nC accuracy. Leads and accessories are confirmed on the quotation.

Note: Small metal displacement vessel with spout, 100 x 50 mm. Quantities are confirmed on the quotation.

Note: Countdown-only digital timer, up to 99 min 59 s, with stand, clip and magnetic fixing. Quantities are confirmed on the quotation.

Note: Metal displacement vessels 115 x 90 mm with spout, supplied as a pack of 5. The number of packs is confirmed on the quotation.

Note: Large mild steel displacement vessel with handle and overflow spout, approx. 225 x 125 mm. Quantities are confirmed on the quotation.

Note: 600 g ABS dynamics trolley with firing pin and collision pads for kinematics and momentum work. Quantities are confirmed on the quotation.

Note: Switchable digital energy and power meter for low-voltage DC circuits up to 24 V. Supplies and leads are confirmed on the quotation.

Note: Two-pulley tandem block, 50 and 38 mm on ball bearings, with hooks at both ends. Quantities are confirmed on the quotation.

Note: Card mount with three replica diffraction gratings of 100, 300 and 600 lines/mm, for comparing grating spacings.

Note: Moving coil DC voltmeter with two ranges, 60 mm scale and 4 mm socket terminals; three range pairs listed.

Note: Dielectric constant set-up supplied by JaincoLab with glass, Bakelite and PZT disc samples and two gold-plated brass disc cells.

Note: The detailed item list is confirmed on the quotation.

Note: Supplied in a wooden case.

Note: Main unit: frequency counter, stabilised audio oscillator and electronic circuitry. Supplied with dielectric cell, 100 ml beaker and attachment for water circulation from an external bath.

Note: Student microscope with a digital camera built into its dual view head, offered with a 1.3 MP or 3.0 MP camera.

Note: Double portable bridge, 0.00001 to 110 ohm, with inbuilt galvanometer and four-terminal connection.

Note: Beginner microscope with coaxial coarse and fine focusing and a dual view head, in corded or rechargeable cordless versions.

Note: Student microscope with coaxial focusing and a built-in DG1.3 or DG3.0 digital camera in its dual view head.

Note: Trinocular teaching microscope with a 1.3 MP USB eyepiece camera fitted through a C-mount relay lens; mains voltage is confirmed on the quotation.

Note: Trinocular microscope with 5 W LED Kohler illumination, plan DIN objectives and a C-mount phototube for a digital camera, supplied by JaincoLab.

Note: Two-magnification binocular stereo microscope on a post stand with separately switched top and bottom LED lights.

Note: Dual power binocular stereo microscope for dissection and mineral surface study; optional 15x or 20x eyepieces raise the range to 45x or 60x.

Note: Dual power binocular stereo microscope with three objective-pair options, 80 mm working distance and separately dimmable top and bottom lights.

Note: Dual power stereo microscope with a trinocular port for a digital eyepiece camera and separately dimmable halogen top and fluorescent bottom lights.

Note: Low-power dual power stereo microscope for whole specimens and dissection; optional 15x or 20x eyepieces extend it to 30x or 40x.

Note: Higher-power dual power stereo microscope; optional 15x or 20x eyepieces extend it to 60x or 80x.

Note: Dual power stereo microscope on a long track stand with a 100 mm working distance for small or large samples.

Note: Track stand dual power stereo microscope giving 10x and 30x at a 100 mm working distance.

Note: Higher-power track stand stereo microscope giving 20x and 40x (up to 80x with optional eyepieces) at a 100 mm working distance.

Note: Trinocular zoom stereo microscope with a 50/50 camera port; digital eyepiece camera and C-mount are confirmed on the quotation.

Note: Digital dry block heater, +/-0.2°C, single/dual/four block versions, 120 or 230 V.

Note: Dual-zone dry bath, two independently controlled chambers, ambient +5 to 105°C, 120 or 230 V.

Note: Replacement 8/10 double gel comb for electrophoresis casting trays.

Note: Double beam spectrophotometer for 190-1100 nm work with touchscreen control. Cuvettes and PC software are quoted separately.

Note: Small PVC desktop skeleton, 43 cm, on a black plastic base with a labelled diagram, supplied by JaincoLab.

Note: Sunflower (dicot) stem model enlarged 150x, plastic, with a diagram, supplied by JaincoLab. For teaching use only.

Note: Woody dicot stem column enlarged 120x on a base, supplied by JaincoLab. For teaching use only.

Note: Dicot flower model enlarged about 8x with numbered parts and key, supplied by JaincoLab. For teaching use only.

Note: Equal-sized objects of different materials for density demonstrations and calculations; materials and sizes are itemised on the quotation.

Note: 1.2 m aluminium track with standard and spring-loaded trolleys and an electronic ticker-timer for motion and collision studies.

Note: 100 mounted dissecting needles, 120 mm.

Note: Double burette clamp, plastic jaws, burettes up to 100 ml.

Note: 400 mm plastic drawing T-square, cm/mm markings.

Note: Plastic dynamics trolley for track or flat surface.

Note: The disc sander is a bench machine for sanding and shaping wood in workshop training, driven by a 1 HP, 110 V single-phase TEFC motor turning at 1725 RPM.

Note: The Dowel Master is a universal, quick dowelling jig for corner, T-butt and edge-to-edge joints in joinery practice.

Note: The dimension saw machine is a sliding-table panel saw for cutting boards and panels to size in joinery workshops.

Note: The drilling machine is a column-type drill for metal and woodwork training with a 38 mm drilling capacity, eight spindle speeds in either direction and both manual and power feed.

Note: The dovetail machine is a half-blind dovetail jig used with a router: its cam-action clamping locks two boards so that tails and pins are cut in one pass.

Note: The digital clamp meter measures current without breaking the circuit, up to 1000 A, for troubleshooting electrical, heating and air-conditioning systems in vocational training.

Note: Breadboard-based digital electronic trainer for gates, Boolean algebra, TTL parameters, flip-flops, combinational circuits, counters, a 4-bit shift register and a 7-segment display.

Note: Digital constant temperature water bath with stirrer, ambient to 100°C, ±0.2°C.

Note: Double door drying oven with PID controller and back-up thermostat; range and size confirmed on the quotation.

Note: A die stock holds threading dies square to the work so that uniform threads are cut on bolts, screws and pipes, and is a basic tool for thread cutting in plumbing and fitting practice.

Note: The Dunagan test set is a portable kit for finding the constituents of fresh concrete and for specific gravity, absorption and silt tests on fine and coarse aggregates.

Note: The digital point load tester measures the strength index of rock specimens in the field or in the laboratory, loading core specimens up to 101.6 mm (4 inch) diameter between two cone-shaped points.

Note: The drying oven is a 225-litre forced-air oven for drying large quantities of aggregate and soil samples, with a temperature range of 50 to 300 °C.

Note: The direct shear apparatus determines the shear strength of soil specimens, consolidated and drained, undisturbed or remoulded, with a closed-loop motor and epicycloid reducers driving the shear box.

Note: Deval attrition machine with two cylinders at 30° and a 12-unit abrasive charge; 440 V three-phase supply.

Note: The drilling machine vice holds work for clamping and drilling on the drilling machine, with a closed-grain cast iron body, a continuous screw and a sliding jaw that does not lift.

Note: The diesel boiler is a diesel-fired boiler that produces hot water or steam for laundry and process work.

Note: The diesel fired boiler is a boiler of stainless steel construction that burns diesel fuel, for raising steam or hot water in laundry and process work.

Note: The diesel steam boiler is a diesel-fired boiler that raises steam for laundry and pressing work.

Note: The double needle lockstitch machine sews two parallel rows of lockstitch at a 3/8 inch needle gauge on light and medium materials, at up to about 4000 stitches per minute.

Note: Metric 150 mm dial caliper reading to 0.02 mm; supplied by JaincoLab.

Note: 10 mm x 0.01 mm dial gauge with switchable magnetic base in a fitted case; supplied by JaincoLab.