QJ57P DC Resistance Measuring Instrument

The QJ57P is a portable precision DC resistance measuring instrument with a wide range of Kelvin lines.The product is equipped with a zero indicator and can be supplied with a working power supply. It is suitable for the accurate measurement of DC low resistance in laboratories and research institutes of industrial and mining enterprises and research institutes, workshops or field work places.

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Product Description

* QJ57P DC double-arm resistance measuring instrument technical parameters QJ57 is the same, using the international popular new shell.

* Determination of the resistance value of metal conductors for metal bars, sheets, cables, wires, etc.

* Inspection of welding quality of current busbars, metal shell, etc.

* Checksum adjustment for low resistance standards, DC shunts, power resistors, etc.

* Determination of switches, electrical appliances, contact resistance.

*DC resistance measurement and temperature rise test for various types of motors and transformer sets.

Technical Parameter

Type	QJ57P type DC double arm resistance measuring instrument (wide range)
Measuring range	0.01µΩ～1.11110kΩ
Magnification	Range	Resolution	Accuracy
×10^-3	0 ~ 1.11110 mΩ	0.01µΩ	2%
×10^-2	0 ~ 11.1110 mΩ	0.1µΩ	0.2%
×10^-1	0 ~ 111.110mΩ	1µΩ	0.05%
×1	0 ~ 1.11110Ω	10µΩ	0.05%
×10	0 ~ 11.1110Ω	100µΩ	0.05%
×10²	0 ~ 111.110Ω	1mΩ	0.05%
×10³	0 ~ 1.11110kΩ	10mΩ	0.05%
Bridge power supply	1.5V 6 pieces No. 1 1.5V dry battery (parallel)
Zero indicator supply	9V 2 pieces 6F22 type 9V laminated battery
Dimensions(mm)	320(W) × 280(H) ×170(D)
Weight	6 kg

Company Profile

Hebei Fangyuan Instrument Equipment Co., Ltd. was established in 2007 and is a high-tech enterprise specializing in R&D, production, sales and service of testing equipment.There are more than 50 employees, a professional R&D team composed of doctors and engineers and engineering technicians. We are mainly engaged in the development and production of testing equipment for wire and cable and raw materials, plastic packaging, fire products and other related industries. We produces more than 3,000 sets of various testing equipment annually.The products are now sold to dozens of countries such as the United States, Singapore, Denmark, Russia, Finland, India, Thailand and so on.

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