EL82-5442 Digital Thermometer.

EL82-5442
The type of transducer: K type thermocouple (Ni Cr-Niai.)
Resolution: 1℃
Accuracy: 0℃ to 500℃: ± (0.75%+1℃)
500°C to 750℃: ± (1%+1℃)
Measure range: -50℃ to 750℃
Operating Temperature: 0℃ to 50℃
Relative Humidity:  ≤80% RH
Storing Temperature: -30℃ to 60℃
Relative Humidity: ≤80% RH
Dimensions: 24×72×108 mm

EL82-5443 Digital Thermometer.

EL82-5443
Temp. measuring range:  -50℃~+300℃(-58℉~+572℉)
Resolution:  ≥400 ℉ is 1, <400 ℉ is 0.1
Accuracy:  (-20℃~+80℃)±1°C
Power:  DC1.5V button battery LR44