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Ground Resistance Measuring Instrument

HT2571 Didital Ground Resistance Tester

Used to measure the grounding resistance of all kinds of devices in power, communication, railway and industrial and mining enterprises.

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Product Introduction

The ground resistance measuring instrument is a new type of ground resistance measuring instrument, which combines the three-end button and four-end button measuring methods by using advanced medium and large scale integrated circuit instead of the traditional manual manual power generation.

The working principle is that the DC/AC converter in the machine changes DC into low-frequency constant current of AC, and the circuit is formed by auxiliary ground electrode C and measured object E, which generates AC voltage drop on the measured object, and is fed into AC amplifier for amplification through auxiliary ground electrode P, and then sent to the meter head for display through detection. With the aid of multiplying power switch, three different quantity limit can be obtained: 0 ~ 2 Ω, 0 ~ 20 Ω, 0 ~ 200 Ω.

The earth resistance measuring instrument is suitable for measuring the earth resistance of various devices and the conductor resistance value of low resistance in electric power, post and telecommunication, railway, communication, mining and other departments. The table also measures soil resistivity and ground voltage.

Product nickname:digital ground resistance tester, digital ground resistance tester, ground resistance, ground resistance meter, ground resistance meter, ground resistance meter, ground resistance meter, ground resistance meter, ground pile ground resistance tester, digital ground resistance meter, portable ground resistance tester, digital ground resistance meter

Product Parameters

Technical parameters

Voltage
Conditions The environment temperature 0℃~+45℃
Relative humidit ≤85%RH
Measuring range and constant current (RMS)) Resistance 0~2Ω(10mA),2~20Ω(10mA),20~200Ω(1mA)
AC0~19.99V
Measurement accuracy and resolution Precision 0~0.2Ω≤±3%±1d
0.2Ω~199.9Ω≤±1.5%±1d
1~19.99V≤±3%±1d
Resolution 0.001Ω、0.01Ω、0.1Ω、0.01V
Measurement errors caused by auxiliary grounding resistance and ground voltage Allow auxiliary grounding resistance RC(Between C1 and C2)
0~2Ω,2~20Ω≤1kΩ
20~200Ω≤2kΩ
RP( Between P1 and P2) < 40kΩ,error≤±5%
Allowable ground voltage (RMS of power frequency) ≤5V,error≤±5%
Power and power consumption Maximum power loss ≤2W
DC 8×1.5V(AA,R6)Battery
AC 220V/50Hz
Volume and Weight Volume 220×200×105mm3
Volume ≤1.4kg
Note:

1.The appearance of the product shall be subject to the actual product,technical parameters with model if there are any changes,without notice。In case of misappropriation or copying, legal liability will be investigated.

2. For more information about huatian products, please enter product center 。 Service email:sales@hvtest.cc

Product Characteristics Product Characteristics

Ground Resistance Measuring Instrument Ground Resistance Measuring Instrument Ground Resistance Measuring Instrument Ground Resistance Measuring Instrument

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Product Certificate

Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T28001-2011 occupational health and safety management system requirements.

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