... output control. HH series 6 Digits Programmable Time Relay/Time switch HH4 series,48*48*80mmHH8 series,48 ... can manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor, thermocouple (TC and RTD), Panel Meter, ... Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, ...