... time, step control. 2011---HC series Expert Timer for Electrical life test(Laboratory)HH8 series, 48*96*80mm,single ... of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, ... They are widely used in industrial control and measurement field, such as machinery, electrical cabinet, power sub-station, industrial ...