PC57 DC resistance measuring instrumentDetailed product description：

The PC57 DC resistance measuring instrument is a specialized instrument for measuring the DC resistance of wire and cable conductors. The technical performance of the instrument should fully meet the various technical requirements for measuring equipment in the GB/T3048.4 conductor DC resistance test. This instrument has innovatively developed multiple new technologies and has obtained national patents. The measurement is fast, accurate, stable in reading, and easy to use. It is an updated product of QJ57 and other double arm electric bridges

Basic parameters of PC57 DC resistance measuring instrument

parameter name	model
	PC57	PC57A
measurement range	0. 1μΩ-1999.9Ω
Rated measurement current	0.1mA-1A
Bidirectional current measurement	Equipped with a current reversing device for measuring forward and reverse currents
display	4 1/2 digit display, word height 35mm, range display, unit display, with backlight
accuracy class	0.05 level, 0.1 level
power supply	8 cells of No.1 battery or AC220V (external power supply)	AC220V
Maximum Power Consumption	DC：12V 300mA； AC：5VA	7VA
Volume and weight	270×115×250mm（W×H×D）； 2.5kg	Panel mounted instrument, user specified size