... series 4 Digits display Sensor Meter1) Signal input: regular:4-20mA/0-75mV/0-10V others: choose by customer,for example,DC ... , including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer ...