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NR4400 Series Zinc Oxide Surge Arrester Characteristic Tester

Used for testing the AC characteristics such as the resistive leakage current of zinc oxide surge arresters. The NR4400 series zinc oxide arrester characteristic tester successfully solves the problem of data deviation caused by interphase interference during field testing, and can detect the AC characteristics of the arrester under both energized and de-energized conditions. It is a commonly used instrument in preventive testing of power systems.

Category:

Cable and lightning arrester testing section

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jd@jindian-tech.com

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Product patent

Product description

Product Introduction

　　Used for testing AC characteristics such as resistive leakage current of zinc oxide arresters. The NR4400 series zinc oxide arrester characteristic tester successfully solves the problem of data offset caused by interphase interference during field testing. It can detect the AC characteristics of arresters under both energized and de-energized conditions, and is a commonly used instrument in power system preventive testing.

Main Features

　　◆ Good stability and repeatability: During 500kV power plant field tests, the resistive current fluctuation is only ±1uA. Due to the extensive use of various high-precision, low-temperature coefficient components inside the instrument, the test data repeatability is excellent, providing a good basis for longitudinal comparison of historical data;

　　◆ Anti-interphase interference: This instrument adopts special anti-interference measures to effectively eliminate interphase interference between phases B and A, and C, successfully solving the problem of large A-phase and small C-phase resistive current in the field;

　　◆ Anti-harmonic interference: Using a precise mathematical model including Fourier algorithm, it can effectively eliminate the influence of power grid harmonics on the test results;

　　◆ Complete test items, including resistive current, capacitive current, total leakage current, phase angle, resistive current peak, total current peak, third harmonic current, fifth harmonic current, fundamental active power consumption, harmonic active power consumption, etc., all completed at once. Simple operation and easy to carry.

Technical Parameters

　　◆ Test items and test ranges:

　　(1) Total leakage current: 0～10mA (2) Resistive current: 0～10mA

　　(3) Capacitive current: 0～10mA (4) Phase angle: 0～360 degrees

　　(5) Resistive current peak: 0～15mA (6) Total current peak: 0～15mA

　　(7) Third harmonic current: 0～10mA (8) Fifth harmonic current: 0～10mA

　　(9) Fundamental active power consumption: 0～9999W (10) Harmonic active power consumption: 0～9999W

　　◆ Reference voltage input range: AC20V～120V

　　◆ Phase correction angle input range: 0～360 degrees

　　◆ Test accuracy: +(2%+1 digit)

　　◆ Dimensions: 350 mm *280 mm *160 mm

　　◆ Instrument weight: 4 kg

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SAUNDERS

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ADD：Building c3-09b, optical valley core center, 303 Optical Valley Avenue, Donghu New Technology Development Zone, Wuhan, China

Hotline: 400-027-1230
Tel: +86-027-8769-0177
+86-188-2742-2008
+86-177-6240-6910
After-sales :
+86-177 0277 9566
+86-133 6724 1932

Email:

jd@jindian-tech.com

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