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2755 Portable Wheatstone Bridge
Brand: Yokogawa Electric Corporation
Model 2755 measures resistances from 1 Ohm to 10 MegaOhms by operation of dials and switches. Batteries and a galvanometer are self contained.
The front control panel is provided with power and galvanometer circuit selectors, one ratio arm dia, and four measuring arm dials.
Model 2755 is also equipped with a Murray and Varley Loop Tester for convenient location of line faults such as "shorts" and "grounds" in power, telephone, telegraph, and signal cables.
Features- No auxiliary attachment required
- Galvanometer with a built-in protection circuit
- Compact, lightweight
- Built-in murray and varley loop tester
Specifications
Accuracy
- ± 0.1 % of Reading on 100 ohms to 100 kΩ Range
- ± 0.3 % of Reading on 10 ohms to 1 MΩ Range
- ± 0.6 % of Reading on 1 ohm to 10 MΩ Range
Ambient Temperature Range
- 5° to 35° C (41° to 95° F)
Enclosure, Body Material
- ABS Resin - Outer Case
Humidity
- Maximum
Measuring Range
- 1 ohm to 10 MΩ
Operating Temperature
- 5° to 35° C (41° to 95° F)
Power Requirement
- Three 1.5 V Batteries (Built-in)
Resistance
- Approximately 150 ohms - Galvanometer Internal Resistance
- Approximately 800 ohms - Galvanometer External Critical Damping Resistance
Sensitivity
- 0.9 µA/Div - Galvanometer
Temperature Coefficient
- ± 2 x 10⁻⁵/°C at Ambient Temperature of 20° to 35° C (68° to 95° F)
- ± 5 x 10⁻⁵/°C at Ambient Temperature of 5° to 35° C (41° to 95° F)
