ZY2715 DC low resistance meter calibrator from Shanghai Zhengyang Instrument Factory

ZY2715 DC low resistance meter calibrator from Shanghai Zhengyang Instrument Factory

ZY2715 DC low resistance meter calibrator from Shanghai Zhengyang Instrument Factory

ZY2715The DC low resistance meter calibrator is suitable for industrial and mining enterprises, scientific research, and universities to calibrate and calibrate digital and analog DC low resistance meters and micro ohmmeters.

The ZY2715 model consists of three resistance adjustment disks A, B, and C, as well as a selection disk. It can provide a total of 40 fixed DC resistance values ranging from 5u Ω to 19k Ω, with an accuracy level index of 0.01. It is suitable for inspection and calibration of digital and analog DC low value resistance meters in industrial and mining enterprises, scientific research, and colleges and universities

The classic four terminal bridge (also known as Kelvin bridge, formerly known as DC double arm bridge in China, abbreviated as double bridge) consists of several resistance elements or sliding wires on each reading plate. Due to the difficulty in ensuring the consistency of resistance elements and the linearity of sliding lines, the verification regulations for electric bridges stipulate that decimal resistance standards must be used to verify each plate and point The linearity of AlD chips (analog-to-digital converters) used in digital instruments today meets the requirements, so the calibration regulations for digital low value resistance meters allow for the selection of several points for calibration.

ZY2715 can meet the relevant requirements of the low value resistance meter calibration regulation

The main resistance components are made of precision manganese copper alloy material, which has a small temperature coefficient, good stability, and high accuracy.

withFour terminal button bow 丨go outAvoidingThe impact of lead resistance and contact resistance of unmeasured wires on measurement.

The instrument has a short-circuit (0l open circuit (∞) testing function, which can test the zero and open circuit characteristics of the tested meter.