The HM34 is a sensor with high accuracy in humidity measurement. It uses HUMICAP® technology to measure temperature and relative humidity. The product offers high precision, stability, and reliability, making it suitable for various environments and applications.
The HM34 is a pocket‑size, battery‑operated instrument that measures relative humidity and temperature. It uses a HUMICAP humidity sensor and a Pt100 temperature sensor, and offers functions such as auto power‑off and hold.
The manual describes how to operate the device, replace the battery, perform adjustments and calibrations, and outlines the environmental limits and technical specifications of the instrument. This manual is written in Japanese.
| Temperature range | -20 °C to +60 °C |
|---|---|
| Relative humidity accuracy (0‑90 %RH) | ±2 %RH |
| Relative humidity accuracy (90‑100 %RH) | ±3 %RH |
| Temperature coefficient | 0.049 %RH/°C |
| Display | 312‑segment LCD |
| Power source | 9 V alkaline battery (006P) |
| Battery life | ≈ 50 h |
| Weight | 250 g |
Press the ON/OFF button to power the device on, and press the power key again to turn it off.