... which requires precise timing.Features: 1,Customize service for timer.With various timing range setting, pause,reset,start by ... 999999H,High precision. Power-failure protection by FLASH EEPROM.3,Output control: customized for user, R(loop timing), ... Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load ...