... liquid level, and measure voltage and ampereAC/DC, eg. DS3-AV300, DS3-DV±75mV.3, Isolate sensor power: +12V or 24V/ ... can manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor ... cooperate in more than 20 domestic and international customers on OEM basis, and provide customer PRIVATE brand services so ...