Gear Flow Meter, Electromagnetic Flow Meter, Ultrasonic Flow Meter manufacturer / supplier in China, offering PT100 Input 4-20mA Output Thermal Resistance Temperature Signal Converter Isolator, 35mm DIN Rail 4 20mA Signal Converter Rtd Temperature Analog Signal Isolator, AC 220V Power 0-20A Input 4-20mA RS485 Output AC Current Transducer and so on.