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Company office contact information:

Phone: 008613763134250

Tell:0086-0769-81228263

Fax: 0086-0769-81228263


E-mail: 

Project department:

admin@hoohahk.com.cn 

After service department: 

cableequipment@gmail.com

procurement department:

Jack_young@hoohahk.com.cn 


Website: www.hoohahk.com  

www.flammabilitytestapparatus.com


Head office:

ROOM 1205, 12/F, 

TAI SANG BANK BUILDING, 

130-132 DES VOEUX ROAD

CENTRAL, HONG KONG 


Company office:

Huifu Science park,Houhu road NO.38,Humen Town, Dongguan city,Guangdong Province.


Factory:

Power cable equipment:

Xifang road NO.105,Beice,Humen town,Dongguan city,Guangdong province.


Communication wire equipment:

Chongkou Industry park,Houjie town,Donguan city,Guangdong province.


Silicon wire equipment:

Chenfeng road No.90, Chencun village,Humen Dongguan city,Gunagdong province


Test equipment:

Fushou street NO.4,Shangsha zone,Changan town,Dongguan city,Guangdong province 



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QJ57 DC Double Bridge

QJ57 DC Double Bridge
Product Name : QJ57 DC Double Bridge
Product ID : HH007
Directions

QJ57 DC Double Bridge

Product description:

Applications: measure the DC resistance, the resistivity inside metal conductor, lead resistance, dc shunt resistance, switch, electrical contact resistance and all kinds of motor, transformer winding resistance in the range and the temperature rise test, etc.it is suitable for industrial and mining enterprises, laboratory or workshop site and field work place DC resistance measurement

Standard:

GB/T3048.4-2007

Technical parameters:

Measuring range: 0.01μΩ ~ 1.1111KΩ

Accuracy: 0.05%

The main parameters of each range

Range magnification

 

Effective range(Ω)

accuracy(%)

X103

0~1111.10

0.05

X102

0~111.110

X10

0~11.1110

X1

0~1.11110

X10ˉ1

0~0.111110

X10ˉ2

0~0.0111110

0.2

X10ˉ3

0~0.00111110

2

Specifications:

Overall dimensions: 300×250×160 (mm)

Power supply: built-in null indicator power supply 9 ∨ (one 6F22 type battery)

Built-in bridge working power supply 1.5 ∨


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