... adoption of international temperature scale,to measure B,F,J,K,N,R,S,T eight thermocouples’ potential and temperature,it ... Model Measurement rangeIndication Precision % F·S(warranty of temperature range °C)K-270~1360±(0.05% RD+0.005% F·S)(-150 ... : <0.6WExternal power: 220V, 50Hz6. Work conditions: temperature(5~50 °C), humidity<90%7. Dimension: 250x250x100mm8. Weight: about 4kg