Propel Quality Measurement The 4 - Input Digital Thermometer 1°C ) Summary: The 4 - Input Digital Thermometer DTM-319A is a battery-powered K, J, E, T Type temperature data logger with sensor already built inside the device. For sure, the product is a compact, which is easy for users to carry it everywhere. Furthermore, it is a practical device without difficult manipulation skills needed; customers can use this data logger in an efficient way. Last but not least, the item can measure temperature from -200°C ~ 1,372°C, which is ideal for all applications, especially in some circumstances requiring precise operation and measurement. Features: » 4-channel thermocouples can be used. » Resolution 0.1°C or 0.1°F< 1000 ° ( >1000 » Temperature scale: °C or °F user-selectable. » Sensor K, J, E, T type Thermocouple probe. » Sampling rate 1 seconds per testing circle. » IIsolated input protection up to 250Vac between any two inputs . » Back light button . » 4 Digit LCD display for every tested point. » Auto Power off. » Automatic low battery indication. » USB Computer interface. » Standard Tripod mount connector. Accuracy is specified for ambient temperatures between 18°C (64°F) and 28°C (82°F). The above specifications do not include thermocouple sensor error.