HZDW-DB Ground Grid Test Network Earth Resistance Tester

I.Instrument overview

At present, in the power system, the grounding resistance test of the earth network mainly adopts the power frequency high current three-pole method. In order to prevent the power frequency interference generated during the operation of the power grid and improve the accuracy of the measurement results, the insulation preventive test regulations stipulate that the test current of the power frequency high current method shall not be less than 30A. As a result, many problems such as heavy test equipment, complicated test process, high work intensity of test personnel, and long test time appeared.

II.Tech Data

1. Test range: 0～5000Ω (including current pile impedance)
2. Resolution: 0.001mΩ
3. Test error: ±(reading×2%+0.005Ω)
4. Anti-power frequency 50Hz voltage interference capability: 10V
5. Output current: 5A or external power supply 30A
6. Output voltage: 400V or external power supply 1000V
7. Test power supply: Built-in 2kW variable frequency power supply or external high-power variable frequency power supply.

Packing List

Note: Please do not disassemble the instrument, including the panel. Because it may break the internal connection line of the instrument and cause the instrument to malfunction. Failures caused by this situation are not covered by the warranty.

HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is founded in 2008,the supplier of the State Grid in China. It means we are the supplier of the Chinese Government. And our products spread throughout the whole China.

Our main products : Insulation Oil Tester, Cable Fault Locator, High Voltage Generator,transformer tester, relay protection tester,insulation resistance tester,Power Quality Analyzer and so on.

Close to Tianjin port, the transportation is convenient. our customers come from More than 50 countries, like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.

What's more, gurantee 1 year,life long maintance .Products through the CE, ISO, IEC certification, quality and reliable, factory price.

Warmly welcome all partners to join us for mutual benefits cooperation.

Contact: Julia

Department: Sales Manager

: sales09

Tel: +86-312-6775511

Fax: +86-312-6775656

Mob/Whatsapp：0086-

Skype：juliajin-huazheng

Address: Electeicity Valley Tech Centre, No.3088 Lekai Street, Hi-tech Zone, Baoding , Hebei , China.

Zip: 071000