Brief introduction: DE 3003 is a digital thermometer with a k-type thermocouple temperature sensor. The thermoelectric electromotive force and temperature conversion are defined by the k-type conversion function of iec584 international standard. Specifications: Display mode: 3 1/2 digit LCD display Measuring range: - 50 ~ 1300 ℃ Resolution: - 50 ~ 200 ℃, 0.1 ℃; 200 1 ℃ ~ 1370 ℃ Operating environment: 0 ℃ to 50 ℃; 0 ~ 80% RH Storage conditions: - 10 ℃ ~ 60 ℃; 0 ~ 80% RH The accuracy of measurement: 23 + / - 5 ℃ environment temperature Sampling rate: 2.5 times per second Appearance size: 148 x 71 x 36mm Weight: about 210g Battery specification: 9V IEC6F22