Overview :
Humidity and temperature data logger. Compact, dependable and inexpensive.
Features :
- High measurement accuracy of ±3.0 %RH and ±0.3 °C
- Compact with high level of IP protection
- Large storage capacity: 16,000 data point memory
- MIN/MAX/AVG statistical function
- Includs HW4-lite programming / analysis PC software
- Clear LC display with visual alerts
- Very long battery life (3 years at logging interval of 5 min.)
- Conforms to FDA CFR 21 Part 11 / GAMP 5
Source : http://www.rotronic.sg/humidity-measurement-feuchtemessung-temperaturmessung/humidity-measurement-feuchte-messung/hygrolog-hl-1d.html