It is suitable for testing the conductivity of the connecting part of power equipment and ground network in engineering test of power department.
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The electrical integrity of grounding device refers to the grounding device should be between all kinds of electrical equipment, grounding device parts and the electrical connectivity between each equipment, that is, direct current resistance value, also known as electrical conductivity. Reliable and effective connection between grounding lead and ground network is the fundamental guarantee of safe operation of power equipment. Ground down lead is electric power equipment and the connection part of the network, in the long running process of electric power equipment, joint is likely to be affected due to factors such as moisture, rust, a node or even the phenomenon such as fracture, lead to ground down lead and the main grounding network connection resistance increases, which cannot meet the requirements of power regulation, problems in the operation of the equipment in safe hidden trouble, caused serious ground operation. Corrosion and even fracture may occur to the underground grounding pole and its connecting part of the grounding device. Therefore, it is necessary to test the electrical integrity of ground equipment regularly.
Electric power industry standard DL/T475-2006 "guidelines for the grounding device parameters measurement regulation electric conductivity connectivity should choose special measuring instrument, for 1 m Ω instrumentresolution, accuracy is not lower than 1.0 on the Richter scale are unlikely. Our company is based on this The standard developed Ground Continuity Tester is a portable Tester with a high degree of automation, which is specially used to test the electrical integrity of grounding devices. Its various technical indicators meet or are superior to relevant standards. Ground Continuity Tester is a simple and convenient operation, high precision, fast test speed, good retesting performance and intuitive reading. It is an ideal special instrument in line with the requirements of regulations, which greatly facilitates the development of test projects and improves work efficiency.
Product nickname：Ground lead down Tester and Ground Continuity Tester
| measurement range | 1～1999mΩ |
| Resolution | 1mΩ |
| test current | DC1A、2A、5A、10A Four fixed current gears |
| measurement accuracy | ±(0.5%+2d) |
| measurement radius | 50m |
| display mode | 3 1/2 LCD Display LCD display |
| working mode | continuously |
| work power supply | AC220V±10%、50Hz |
| working environment | temperature：-10℃～40℃ |
| humidity：≤80%RH | |
| Relative humidity | ≤80% |
| Dimensions | 300×270×200mm3 |
| Weight | 5kg(excluding attachments) |
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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/T45001-2020 occupational health and safety management system requirements.
email： info@hvtest.cc
Skype： Tina Qiao
+8615172408058
