Digital thermometer testo 110 Without probe. For use with accessory NTC sensor probes (option). For control measurements in the food industry and laboratories. Features: switchable °C readout with Hold function low battery indicator and battery saving automatic switch off after a period without use. With battery and calibration certificate. Accuracy: System accuracy using immersion / penetration probes. Measuring range: -50 to +150 °C Sensor: ±0.2 °C (-20 to +80 °C) ±0.3 °C (Remaining Range) Accuracy: 01 °C Battery: 9V block battery.