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General| Humidity Measurement Range | 0 to 100 %RH |
|---|---|
| Resolution | 0.1 %RH, 0.1 °C |
| Power Supply | 2 x AA batteries |
| Protection Class | IP54 |
| Display | LCD |
| Measurement Parameters | Humidity, Temperature |
| Temperature Measurement Range | -20 to +60°C (-4 to +140°F) |
| Operating Temperature Range | -20 to +60 °C |
| Storage Temperature Range | -40 to +70°C (-40 to +158°F) |
Configure language, units, date, and time upon first use.
Lists compatible battery types and usage notes.
Provides instructions for charging rechargeable NiMH batteries using a USB charger.
Details parameters like RH, Td, Tw, a, x, h, and their units.
Explains the layout of the display and the function of the buttons.
Explains how to freeze the screen and tag measurement points for saving.
Accesses the submenu for performing adjustment procedures.
Explains calibration necessity and using the HMK15 calibrator.
Configures reminders for probe calibration intervals.
Guides on stable environments, temperature differences, and condensation.
Advises on avoiding condensation and the importance of regular calibration.
Emphasizes avoiding sensor damage and ensuring proper measurement.
Provides instructions on how to clean the HM40 device safely.
Step-by-step guide for replacing the probe filter.
Instructions for safely replacing the measurement probe.
Details how to set reference values for calibration points.
Explains setting the second reference point and adding notes.
Covers confirming applied corrections and saving the calibration.
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