... input: T/C, RTD, linear signal 3. compact size 4. stable performance 5. 4-20mA PV transmission Temperature indicator, digital display meterFeaturesIt is ... CU50Linear signals: 4-20mA, 1-5V, 0-20mA, 0-5VOutputAlarm: 3 groups at most at the contact capacity of 3A/220VTransmission ... : AC85-265V, 50/60 Hz, DC24VOperation ambience: -10 ~ 60°C, 0 ~90%RHPower consumed 5 VA or below Digital display meter