Yokogawa 2755 Portable Wheatstone Bridge

  • No Auxiliary attachment require
  • Galvanometers with a built-in protection circuit
  • Compact, lightweight
  • Built-in Murray & Varley loop Testers
  • Measuring Range: 1.000 ohm to 10.00 Megohms (Consist of four decades)
  • Can be used as 5-dial decade resistance box.
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Yokogawa 2755 Shown
Product Information
Datasheet 1.7 MB
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Model 2755 Measures resistances from the  100 mΩ to the 110MΩ Range by operation of switches. Batteries and the Galvanometer are self-contained, for your safety. The Front 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 are "shorts" and "Grounds" in power, telephone, telegraph, and signal cables.
Specifications Details
Measuring Range 1.000Ω to 10.00MΩ
Measuring Arm x 1mΩ, x 10Ω + 10Ω x 10 + 100Ω x 10 + 1000Ω x10 (min. one step: 1Ω)
Ratio Arms x 0.001 x 0.01, x 0.01, x 0.1, x 1, x 10, 100, x 1000 (M10, M100, M1000... Murray & Varley loop testing)
Accuracy ±0.1% of reading on 100Ω to 100kΩ Range
±0.3% of reading on 10Ω to 1MΩ Range
±0.6% of reading on 1Ω to 10MΩ Range
Temperature coefficient of  Resistance Elements ±0.5 x 10-5 /°C at ambient temperature of 5 to 35°C (41 to 95°F)
±2 x 10-5 /°C at ambient temperature of 20 to 35°C (68 to 95°F)
Galvanometer (built-in) Sensitivity approx. 10µV/div.
Internal Resistance Approx. 150Ω
External Critical Damping resistance Approx. 800Ω
Period within 1.5 Seconds
Operating Temperature Range 5 to 35°C (41 to 95°F)
Humidity Range 85% Max., Relative Humidity
Dimensions 182 x 226 x 128mm (7 1/4 x 9 x 4 3/4")
Weight 4.4lbs (2kg)
Power source  Three 1.5V batteries (built-in)
Case ABS Resin
Ordering Information
Model Description Buy Online Price
275597 Yokogawa 275597 Portable Wheatstone Bridge, 1.000 ohm to 10.00 M ohm Buy Now Sale $2,495.92
(Reg. $2,868.00)
Included Accessories
  • 1 - Carrying Case