S654 formaldehyde, temperature and humidity recorder Applied in to museums, libraries, laboratories, factories, farms, research and production, HVAC ect. USB communication interface to facilitate the analysis of data download. Comes with the switch button, low power consumption, using Switzerland imported temperature and humidity sensors,with high precision, stable and reliable. Feature
- Measures formaldehyde,temperature & humidity simultaneously.
- Memory for 43000 readings.
- Original sensors are imported from European with high accuracy and stability.
- Ultra-low energy cosumption, Battery Can Work continuously for 6 Months.