... control. 2011---HC series Expert Timer for Electrical life test(Laboratory)HH8 series, 48*96*80mm,single line 4 digits ... ,Dual 4/6 digit display, range: 0.01S--999999H,High precision. Power-failure protection by FLASH EEPROM.3,Output control ... We can manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, ...