HygroLog TL-1D - Data Logger for Temperature

HygroLog TL-1D - Data Logger for Temperature

Compact Low Cost Logger

The TL1D is a compact, low cost data logger for temperature. The internal memory can store up to 32,000 data points and includes the HW4-Lite software.


  • High measurement accuracy of ±0.3 °C
  • Compact design with a high IP protection
  • Large storage capacity: 32,000 data point memory
  • Programmable start and stop time with the HW4 software
  • MIN/MAX/AVG statistical function
  • Includes HW4-lite programming and analysis software
  • Clear LCD with visual alerts
  • Appropriately long battery life (up to 3 years)
  • FDA 21 CFR Part 11 / GAMP 5 conform software HW4
  • HygroLog TL-1D fulfills the guidelines in accordance with EN 12830.
More Information
Temperature sensor NTC
Accuracy at 23 ±5 °C ±0.3 °C
Power consumption 1x CR2 battery
Dimensions 90 x 60 x 23 mm
Display type LCD, 2 lines
Battery indicator Yes
IP protection rating IP67
FDA/GAMP compatibility FDA 21 CFR Part 11 / GAMP 5 conform software HW4
Measurement interval 30 s…24 h
Communication interfaces Mini USB
Weight 85 g
HW4 compatible V3.4.1 and higher
Battery lifetime 3 years (at a logging interval of 1 h)
Storage capacity 32,000 data point memory (T)
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

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