Double Portable Bridge Manufacturer,Supplier and Exporter in India
Product Code : JA-SI-8052
The Double Portable Bridge from Jaincolab is a portable Kelvin Bridge used to measure the unknown value of resistance, with a measurement range from 0.00001 ohm to 110 ohm. As a trusted electrical laboratory equipment manufacturer and exporter, Jaincolab supplies this scientific instrument to schools, colleges, and research laboratories across India and internationally.
The instrument consists of a ratio dial, a main resistance dial, and a circular scale for fine adjustment, along with an inbuilt galvanometer and terminals for connecting an external galvanometer, giving flexible, precise resistance measurement for laboratory use.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | 0.00001 ohm to 110 ohm |
| Ratio Dial | One ratio dial with multiplying range of 100, 10, 1, and 0.01 |
| Main Dial | Resistance dial with a table resistance of 1 ohm, divided into 10 equal steps of 0.1 ohm |
| Circular Scale | In series with the main dial; table resistance of 0.1 ohm divided into 100 equal steps of 0.001 ohm |
| Galvanometer | Inbuilt galvanometer, with terminals g1 and g2 for an external galvanometer and a selector switch to choose between them |
| Press Key | Double point press key to bring galvanometer and battery into the circuit |
| Terminals | Four terminals C1, P1, C2, P2 for the unknown resistance coil; C1, C2 are current terminals, P1, P2 are potential terminals |
Key Features
- Measures resistance from 0.00001 ohm to 110 ohm
- Ratio dial with multiplying range of 100, 10, 1, and 0.01
- Main resistance dial and circular scale for fine adjustment
- Inbuilt galvanometer with option to switch to an external galvanometer
- Double point press key to bring galvanometer and battery into the circuit
- Four-terminal connection (C1, P1, C2, P2) for accurate unknown resistance measurement
Why Choose Jaincolab
Jaincolab is an ISO 9001:2015 and ISO 14001:2015 certified manufacturer and exporter of electrical and physics laboratory instruments. Explore the related Industrial Double Bridge. Browse the complete Scientific Instrument range, part of Jaincolab's full Our Product catalogue.
Applications
| Sector | Application |
|---|---|
| Schools and Colleges | Low resistance measurement physics practicals |
| Engineering Institutions | Precision resistance measurement studies |
| Research Laboratories | Four-terminal resistance measurement of unknown samples |
Frequently Asked Questions
What is the measurement range of the Double Portable Bridge? It can measure from 0.00001 ohm to 110 ohm.
What is the multiplying range of the ratio dial? The ratio dial has a multiplying range of 100, 10, 1, and 0.01.
Can an external galvanometer be used? Yes, terminals g1 and g2 are provided for connecting an external galvanometer, with a selector switch to choose between inbuilt or external galvanometer.
How many terminals are used for the unknown resistance coil? Four terminals, C1, P1, C2, P2, are provided, with C1 and C2 as current terminals and P1 and P2 as potential terminals.
What does the press key do? A double point press key is provided within the panel to bring the galvanometer and battery into the circuit.
Looking to add the Double Portable Bridge to your electrical laboratory? Request a Quote from Jaincolab today.
