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QJ31E Wheatstone Kelvin Resistance Bridge.

The Type QJ31E Portable Wheatstone / Kelvin Resistant Bridge is designed for the high precision measurement of low resistance, conductivity and calibration of other instruments.
It is totally self-contained so is suitable for laboratory, workshop and onsite, in the field, applications.
The Portable Wheatstone / Kelvin Bridge has a resistance range from 0.0001ohm to 100ohm for the Kelvin bridge and 10ohm to 1Mohm for the Wheatstone bridge. The basic accuracy is ±0.1%.

QJ13E Wheatstone Kelvin Resistance Bridge.

Model  Description 
QJ31E  QJ31E Wheatstone Kelvin Resistance Bridge.

Wheatstone Kelvin Resistance Bridge specification 
Range Wheatstone bridge  10Ω to 1MΩ 
Range Kelvin Bridge  0.0001Ω to 100Ω 
Accuracy  Typically ± 0.1% 
Galvanometer  Built in 
Galvanometer sensitivity  Approximately 3mA/mm 
Power  Built in Dry cells 6x 1.5V, or external 
Dimensions  315 x 265 x 165 mm 
Weight  4.5kg