Features: K/J/T measurement with 4 channels display °C/°F switchable temperature unit Data HOLD, MAX/MIN measurement function Auto power off with disable function Real-time data logging via a PC connection can display real-time data sheets and data charts Export and print data sheets and charts PC software is compatible with Win7, Win8, Win10, Win11 (for 64-bit system ONLY) HI/LOW limit can be set separately for each channel. Audible and visible alarm The test accuracy is optimized by its thermocouple temperature compensation feature Low battery indication function Application: Whether you're testing food, monitoring industrial equipment, or conducting lab experiments, this thermometer datalogger is an excellent choice for accurate and reliable temperature testing. Specification: Measurement range: Main unit: K-type: -200~1372°C (-328~2501°F) J-type: -200~1200°C (-328~2192°F) T-type: -200~400°C (-328~752°F) Type K Probe: -50°C~300°C (-58°F~572°F) Accuracy: Main Unit: ±0.2%+0.7°C Type K probe: ±1.5% Resolution: (-99.9°~999.9°) 0.1°C/°F; (-100°~-200°≥1000°) 1°C/°F Upper limit alarm: Default value: 1300°C (2372°F) Lower limit alarm: Default value: -200°C ADJ compensation: -9.9~9.9°C (Probe error range compensation) Data logger: 5000 groups Tripod nut: 1/4 inch nut Sampling rate selection: 1s / 2s / 5s / 10s / 30s / 60s / 30m / 1h Auto power off 15min Working environment: -10~50°C, max 80% RH, indoor altitude