QJ42P DC double arm bridgeDetailed product description：

details

model	QJ42P type DC resistance bridge
measurement range	5µΩ～11.000Ω
rate	range	resolution	accuracy
×10-4	0.100～1.100 mΩ	5µΩ	5%
×10-3	1.00～11.00mΩ	50µΩ	5%
×10-2	10.0～110.0mΩ	500µΩ	2%
×10-1	0.100～1.100Ω	5mΩ	2%
×1	1.00～11.00Ω	50mΩ	2%
Bridge power supply	1.5V (6 parallel connected 1.5V dry batteries)
Zero finger instrument power supply	9V (2 6F22 type stacked batteries)
Overall dimensions	(W)230mm×(H)200mm×(D)140mm
weight	2.5kg

QJ42 is a portable DC resistance bridge designed using Kelvin bridge circuit. The product comes with a zero point meter and a battery box that can accommodate a working power supply, suitable for precise measurement of DC low resistance in industrial and mining enterprises, laboratories, and outdoor sites. Such as measuring metal conductivity, DC resistance of motor and transformer windings. Contact resistance of electric brushes and switches, as well as conducting temperature rise tests, etc