Example: TFX 420 Core Thermometer (exchangeable probes available) Technical Data Measuring range -50 to +400°C Accuracy ± 0.2°C ± 1 Digit Resolution 0.1°C Sensor Pt 1000 (many different types of probes available) Operating temperature -25 to 50°C Storage temperature -25 to 60°C Battery 3.0 V Lithium, changeable Battery life approx. 5 years Dimensions 54 x 22 x 109mm without probe Housing material ABS Weight approx. 90g Protection class IP 67 Measuring rate 1s Additional functions TFX 420 Hold, Min/Max Certificate 3 point factory calibration Product-No 1340-5425 Attributes: Large display Robust and impact resistant Many types of probes available High accuracy Waterproof Dishwasher resistant Battery exchangeable Factory calibration certificate