DC Double Bridge

Model QJ44 DC Double Bridges Is portable DC resistance bridges, which is designed based on Kelvin bridge circuit. The instrument is provided with built-in null- indicator and internally attachable power supply, so that it is suitable to be used in industrial enterprises, laboratories, and outdoor sites to make precise measurement to DC low resistance. For example it can measure the conductivity of metals, the winding resistance of electric motors and transformers, and the contact resistance of electric-brushes and switches. It also can be used to carry out temperature elevation test, and so on.

Total Range: 0.5μΩ-11.000Ω
Power Supply: 1.5V(six parallel 1.5V A1 batteries)
Null Indicator power: 9V (two parallel Type 6F22 stacked batteries)
Dimensions: 320(L)X280(W)X170(H)mm
Weight: 4.5Kg

Specifications:
Multiplying Power Effective Span Resolution Accuracy
X10-2 0.01~1.1000 MΩ 0.5µ Ω 1
X10-1 0.1~11.000MΩ 5µ Ω 0.5
X1 1~110.00MΩ 50µ Ω 0.2
X10 0.01~1.1000Ω 500µ Ω 0.2
X102 0.1~11.000Ω 5MΩ 0.2