DC resistance tester (digital two-arm bridge)-WIREMAC INTERNATIONAL CO., LIMITED. -electric wire/electric wire

DC resistance tester (digital two-arm bridge)

DC digital resistance tester is a 41 / 2-bit portable digital instrument composed of CMOS large-scale integrated circuits, and its measurement results are displayed with five-digit LEDs. The meter has the characteristics of excellent performance, good reliability, low price and convenient use. It can also be used as a voltage measurement of 1μV ~ 2V. DC digital resistance tester is most suitable for measuring the resistance of metal conductors, wires and other contact points. Therefore, it can be widely used in laboratories, industrial and mining sites, etc. It is an extremely ideal measuring instrument.

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　　2.1 Conditions of use

　　2.1.1 Ambient temperature: 20 ℃ ± 15 ℃

　　2.1.2 Environmental relative humidity: below 75%

　　2.1.3 Power supply: 220V ± 10%, 50Hz ± 1Hz

　　2.1.4 No severe vibration and mechanical shock.

　　2.1.5 The air does not contain dust and impurities that can corrode the instrument.

　　2.1.6 should not be interfered by strong electromagnetic field.

　　2.1.7 Good ventilation conditions.

　　2.2 Range, measuring range, resolution and basic error

Range	Measuring range	Resolution	Basic error
20mΩ	19.999mΩ	1μΩ	± (0.05% reading value + 3 words)
200mΩ	199.99mΩ	10μΩ	± (0.05% reading value + 2 words)
2Ω	1.9999Ω	100μΩ
20Ω	19.999Ω	1mΩ
200Ω	199.99Ω	10mΩ
2KΩ	1999.9Ω	100mΩ

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