HM70 has the following basic features and options:
- Displays various humidity parameters
- Numerical and graphical multilingual displays
- Data recording possibility
- Three probes, temperature measurement range −70 … +180 °C (−94 … +356 °F), depending on probe model
- Sensor preheat and chemical purge options for demanding conditions
- Multiprobe operation; any combination of 2 Vaisala DM70, GM70, HM70, and MM70 series probes can be used, for example, for simultaneous humidity and CO2 measurements
- The optional, ready-to-use MI70 Link Microsoft Windows® software, which allows an easy way to handle measurement data using a serial line or a USB instrument cable
- Delivered with a factory calibration certificate