Loop Resistance Tester

Published: 2019-09-07 21:34:50

Category: Loop Resistance Tester

Product Description

Loop Resistance Tester

I. Purpose and Features of the Instrument

According to the new "Regulations for Handover and Preventive Tests of Power Equipment", the test current for measuring the conductive circuit resistance of various switchgear shall not be less than100A. To this end, our factory has designed and developed a new generation of intelligent loop resistance tester products in accordance with the new regulations. This product is suitable for testing the contact resistance of main contacts of high and low voltage switches, and the DC resistance of high and low voltage cable lines.It adopts100A constant current output. The maximum output voltage reaches10V, allowing the use of thin test leads, greatly reducing the labor intensity of field test personnel. The entire test process is automatically controlled by a single-chip microcomputer, with high precision, good repeatability, simple operation, LCD display of test data, and result printing. Suitable for different working environments.

II. Main Technical Indicators and Operating Conditions

Measurement range:50A 0-100mΩ 100A 0-20 mΩResolution: 1μΩ

Measurement current: ＞100A DC

Measurement accuracy:0.5 class

Display mode: LCD display, result printing

Operating temperature:-20℃~50℃

Operating voltage:AC220V±10%

Volume: 445×285×230

Weight: 6.2Kg Product Features

1. High current: Using new power supply technology, it can continuously output high current for a long time, overcoming the drawback of instantaneous current in pulse power supplies, effectively breaking through the oxide film on switch contacts, and obtaining good test results.

2. Strong anti-interference capability: Under severe interference conditions, the last digit of the LCD can stabilize within ±1 digit, with stable readings and good repeatability.

3. Long service life: All high-precision resistors are used, effectively eliminating the influence of ambient temperature on measurement results, and the use of military-grade connectors enhances vibration resistance.

4. Easy to carry: Small size, light weight.

Product Accessories

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HLY-200A Loop Resistance Tester

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Name	Description	Quantity
Instrument main unit	/	1 unit
Special test leads	Two 4m high-current wires, two high-current test clips, two 4m voltage test wires	1 set
Ground wire	/	1 piece
Fuse tube	10A	3 pieces
Accessory bag	/	1 piece
Power cord	AC 220V	1 piece
Manual	/	1 copy

Product Details

Loop Resistance Tester