The Rotronic HygroLog HL20 measuring range is from 0 to 100 %RH / -10 to 60 °C.
The HL20 is a humidity temperature data logger that is designed for recording surrounding conditions in indoor areas such as research labs, high-tech manufacturing facilities and warehouses, storage areas and containers for sensitive goods, museums, office buildings, and so forth. The HL20 is completely agreeable with FDA 21 CFR part 11 and GAMP 4 necessities for electronic records and electronic signatures (ERES).
| AirChip3000 • Temperature compensates humidity with over 30000 reference points • Dew/frost point calculation • Sensor auto-diagnostics and automatic correction • Active alarming and information • Conforms to FDA21 CFR Part 11 and GAMP4 (audit trail) |
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| Optional display • Display of data on a clear, backlit graphic display • Battery charge indicator • Display of measured and calculated data • Function key to start and stop logging • Display resolution to 2 decimal places |
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| Data logging function • Logs up to 20,000 value pairs, relative humidity and temperature • Each record is date and time stamped (real-time clock) • Adjustable log interval • Two data recording modes: (start-stop or loop) Alarm function Visible alarm can be programmed for the HL20 detects the following: • Out-of-limits value (defined with HW4 software) • Communication loss with the probe • Sensor failure and sensor drift |