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DC System Ground Fault Tester

PDF1000 DC System Ground Fault Tester

The company's DC System Ground Fault Tester is a new generation of products. It can be applied to dc system measurement of any voltage level.

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Product Introduction

DC System Ground Fault Tester produced by huatian electric power is a new generation of Tester. It can be applied to dc systems of any voltage grade. It is equipped with high-precision detection clamp table, which greatly improves the detection range and anti-interference ability through efficient processing of multiple signals. Advanced algorithm and fuzzy control theory are adopted to express the superiority degree of detected insulation branch in numerical form, which fully reflects the superiority of artificial intelligence. They have accurate judgment on the location of the grounding point, and can point out the location and direction of the grounding point every time.

DC System Ground Fault Tester takes System safety as the primary premise, conducts detection in a reliable low-frequency signal in strict accordance with the requirements of industry standards, and carries out a large number of practical applications in the field, without any impact on the System.

Dc systems in power plants and substations provide power supply for control, protection, signals and automatic devices. The safe and continuous operation of dc systems is of great importance to ensure power supply and distribution. As the dc system is not grounded by floating system, if two-point grounding occurs, it may cause the above devices to misoperate and refuse to operate, thus causing a major accident. Therefore, when one point grounding occurs, the grounding point should be accurately and quickly detected while ensuring the normal power supply of the dc system to eliminate the grounding fault, so as to avoid the possible harm of two points grounding.

DC System Ground Fault Tester is used to find the exact location of DC System grounding points of power plants and substations in the case of constant electricity. All kinds of grounding faults can be found out quickly with good accuracy.

Product nickname: DC Ground Fault Tester, DC System Fault Tester, DC System Ground Fault Tester DC System Ground Fault Tester

Product Parameters

Technical parameters

signal generator output signal frequency 2.5Hz
signal no-load output voltagee ±20V±5%
signal voltage amplitude error <5%
signal short circuit output current ≤80mA
Impact resistance of output port 400V dc impact
power supply voltage AC220V±10%
voltage frequency 50Hz±5%
input insurance 200mA
maximum power 3W
volume 300×270×200mm3
signal receiver signal current detection sensitivity 0.5mA
signal generator impedance 40KΩ
maximum output current 2.5 mA
receiver displays digits0~19
volume 210×100×32mm3
Aclamp size Φ50mm
Bclamp size Φ7mm×9mm
complete machine detection maximum ground resistance 300kΩ
ground resistance measurement accuracy

0~4.5KΩ,error≤0.5KΩ

4.5KΩ~300KΩ,error≤10%

external dimension( mainframe) 340*290*140mm3
weight ( mainframe) 3.96kg
external dimension 390*290*140mm3
weight 2.8kg
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

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DC System Ground Fault Tester DC System Ground Fault Tester DC System Ground Fault Tester DC System Ground Fault Tester

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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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