QJ84a DC digital bridge Potentiometers

QJ84 type DC Digital Bridge is a large-scale integrated circuits by CMOS composed of 4 1 / 2 portable digital instruments, their measurement results with 5 LED display. The instrument has low price, high measurement accuracy, performance, stability, ease of use, etc., It is suitable for measuring a variety of coil resistance, motor, transformer winding resistance, it can also be used 1uV 0.2V of the voltage measurement. Thus the widely used equipment factories, scientific research units and laboratories of the workplace.