HYDW-II Earth resistance tester

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HYDW-II Earth resistance tester

Now in the power system, the most popular measurement for grounding resistance of large ground Grids is “Three Pole” method using 50Hz power-frequency large current. In order to avoid interferences from 50Hz power-frequency in power grid operating and improve veracity of measuring, the insulating precaution test regulation stipulates that test current of 50Hz power-frequency large current measurement must be less than 30A. As a result of the regulation, there have some problems such as the heavy test device, large labor, and long test time. HYDW-II survey meter for grounding resistance of large ground grids is an all-purpose tester with electrical source of non-power frequency, the tester can measure the grounding resistance of substation (4Ω), thermal power planthydropower plant, microwave station (10Ω), lighting rod etc. Microcomputer is adopted to control HYDW-II survey meter and process testing datum, which eliminates interferences from the testing process, simplifies operation programs of testing, enhances precision and veracity of measuring, and reduces the cost of labor and test.

Measurement Range of HYDW-II Tester: 0~40Ω Precision of HYDW-II Tester: 3% Output Current: AC<5A Diameter Specification of Testing Wire:≥1.5mm2 Electrical Source: AC220V/50Hz Weight of Tester: 5kg

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MOQ	1 Set
Trade Terms	EXW, FOB, CIF, CFR
Payment Terms	T/T, L/C
Port of Loading	Any Port of China
Packing Method	Internaional Standard Wooden Case
Transportation Method	By Sea, By Land, By Air, By Express
Supply Capability	100 Sets/Month

* The warranty period is 24 months from commissioning acceptance date on. After the warranty period is over we provide lifelong maintenance and technical service.
* We guarantee the maintenance time no more than 3 working days and response time within 1 hour.
* We build instrument service profile for our clients to record the product service and maintenance conditions.
* After instruments start service, we will pay follow-ups to collect the service conditions.

Chongqing TOP Oil Purifier Co., Ltd

Located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality, Chongqing TOP is a professional leading manufacturer and supplier of oil purifiers and various related testers. Our company consists of departments respectively for technological development, machinery manufacture, instrument manufacture and quality control etc.

Welcome to visit our website, welcome your inquiry.

Jennifer (Miss) | Sales Manager
CHONGQING TOP OIL PURIFIER CO.,LTD
Manufacture oil purifiers and supply test equipment.
Add: No. 1, Jianlong N. Rd., Jiulongpo District, Chongqing, China
E: sales9@topoilpurifier.com
Cell: 0086-17338389692 (Whatsapp/Wechat) | Skype: topoilpurifier
Tel: 0086-23-88901306 | Fax: 0086-23-88901306
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HYDW-II Earth resistance tester

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Chongqing TOP Oil Purifier Co., Ltd

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