Thermistor Thermometer °C/°F selectable Wide measurement range (-50 to 150 °C) Very high accuracy Self-calibrating Features Easy to use low cost high accuracy microprocessor based thermistor instrument with a measurement range of -50 to 150 °C and an operating range of -30 to 50 °C. °C / °F switchable Resolution of 0.1° User configurable Auto Swith Off capability Calibration via front keypad Overrange / Open circuit sensor indication Low battery indication Supplied complete with shock resistant holster IP67 casing Technical Data AMBIENT OPERATING RANGE -30 to 50 °C STORAGE TEMPERATURE RANGE -40 to 50 °C HUMIDITY 0 to 70% R.H. MEASUREMENT RANGES -50 to 150°C TEMPERATURE SCALES °C / °F ACCURACY @23°C /- 0.2 °C CHARACTERISING ACCURACY LESS THAN 0.05 °C TEMPERATURE COEFFICIENT 0.01% OF READING /°C RESOLUTION 0.1° BATTERY PP3 9V I.E.C. 6F22 BATTERY LIFE (INTERMITTENT USE GREATER THAN 200 HOURS (ALKALINE) WEIGHT 155 gms DIMENSIONS 130 X 70 X 33 mm