Photo Switch 1,Output:NPN or PNP,NO/NC; 2. ... on different use occasions and measurement.3, Ouput:NPN,PNP(normal open or normal closed,current:100 ... Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere ... ,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer ...