Description Temperature Data Logger | HygroLog TL-1D RANGE OF APPLICATION -20…70 °C / 0…100 %RH ACCURACY AT 23 ±5 °C ±0.3 °C POWER SUPPLY / POWER CONSUMPTION 1x CR2 battery BATTERY LIFE 3 years (at a logging interval of 1 h) TEMPERATURE SENSOR NTC MEASUREMENT INTERVAL 30 s…24 h DISPLAY TYPE LCD, 2 lines DISPLAY REFRESH RATE 5 sec. (Standard) (when logging same refresh rate as log interval) LED INDICATOR 2 LEDs Right LED flashes green during data logging Left LED flashes red when alarm limits breached or low battery BATTERY INDICATOR Yes HW4 COMPATIBLE V3.4.1 and higher STORAGE CAPACITY 32,000 data point memory (T) COMMUNICATION INTERFACES Mini USB IP PROTECTION RATING IP67 FDA/GAMP COMPATIBILITY FDA 21 CFR Part 11 / GAMP 5 conform software HW4 Temperature Data Logger | HygroLog TL-1D