Shanghai Wujiu Automation Equipment Co., Ltd
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QJ31 DC single double arm bridge
QJ31 DC single and double arm bridge: In a single arm bridge, it is relatively easy to choose the same terminals and wires. As long as their effects a
Product details

QJ31 DC single double arm bridgeThe portable DC single double arm bridge adopts a combination of Wheatstone and Kelvin bridge circuits. Equipped with a built-in zero finger and a wide range portable bridge with an internal working power supply. Suitable for precise measurement of DC resistance within the range of 100 µ Ω to 1.111M Ω in industrial and mining enterprises, laboratories, workshop sites, or field construction sites. For example, conducting temperature rise tests on the resistivity of metal conductors, cable resistance, shunt resistance, contact resistance of switches and electrical appliances, and the winding DC resistance of various motors and transformers.

QJ31 DC single double arm bridgeProduct Details

(arm)

measuring range

01.111000MΩ

Magnification

range

Resolution

accuracy

×10

0-111.10Ω

10mΩ

0.1%

×102

0-1.1110kΩ

100mΩ

0.1%

×103

0-11.110kΩ

1Ω

0.1%

×104

0-111.10kΩ

10Ω

0.2%

×105

0-1.1110MΩ

100Ω

0.5%

(two arms)

measuring range

0111.10Ω

×10-2

0111.10mΩ

10μΩ

0.1%

×10-1

01.1110Ω

100μΩ

0.1%

×1

011.110Ω

1mΩ

0.1%

×10

0111.10Ω

10mΩ

0.1%

Bridge power supply

(arm)1.5V10.5V(Both arms)1.5V2V

Zero finger instrument power supply

9V2joint6F22Parallel connection of stacked batteries

External dimensions

(W) 320mm×(H) 280mm×(D) 170mm

weight

4.5kg

It adopts a combination of Wheatstone and Kelvin bridge circuit. Equipped with a built-in zero finger and a wide range portable bridge with an internal working power supply. Suitable for industrial and mining enterprises, laboratories, workshop sites, or field construction sites, for 100 μ mΩ~1.111MPrecise measurement of DC resistance within the range of Ω. For example, conducting temperature rise tests on the resistivity of metal conductors, cable resistance, shunt resistance, contact resistance of switches and electrical appliances, and the winding DC resistance of various motors and transformers.

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