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Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester
Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester
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Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester
Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester
Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester
Huazheng Electric HZ-3110-I Handheld DC Resistance Tester DC Resistance Test Machine Full-automatic DC Resistance Tester

I.Overview

Transformer DC resistance is a must-test item for semi-finished products, finished products factory test, installation, overhaul, change of tap changer, handover test and preventive test of power sector in transformer manufacturing. It can check the welding quality of the winding joint and whether the winding is short-circuited between turns. It can check whether the contact of each position of the voltage tap changer is good, whether the actual position of the tap changer is consistent with the indicated position, whether the lead wire is broken, and the multi-strand wires are wound in parallel. Whether there is a stock break, etc. In order to meet the needs of fast measurement of transformer DC resistance, our company has developed a hand-held DC resistance tester. The instrument adopts a new power supply technology, which has the characteristics of small size, light weight, large output current, good repeatability, strong anti-interference ability and perfect protection function. The whole machine is controlled by a high-speed single-chip microcomputer, with a high degree of automation, and has the functions of automatic discharge and discharge alarm. The instrument has high test accuracy and simple operation, and can realize fast measurement of transformer direct resistance.

II. Main technical indicators and conditions of use

I.Technical indicators

Test current

<20mA

40mA

200mA

1A

3A

10A

Measuring range

100Ω-50KΩ

1Ω-200Ω

100mΩ-50Ω

10mΩ-10Ω

5mΩ-3Ω

0.5mΩ0.2Ω

Accuracy

±(0.5%+2)

±(0.2%+2)

Minimum resolution

0.1μΩ

Operation method

Touch screen operation

Dimensions

Host252*160*65(mm)    Outer box425*335*210mm

Weight

Host2KG               Outer box8KG

Battery Specifications

14.8V   5200mAh

Test lead length

Standard 5 meters, length can be customized

2.Conditions of Use

Ambient temperature: 0℃-40℃

Ambient humidity: ≤85%RH

Working power: battery powered

Power frequency: (50±1)Hz


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+8618330222305 +8618330222305 sales08@bdhuazheng.com 0086-18330222305 Julia Jin-huazheng