Check the listing for details. Indoor Formaldehyde Thermometer Recorder Meter Data Logger With Software. Condition: New. Listed at 387.96 USD. Indoor Formaldehyde Thermometer Recorder Meter Data Logger With Software Product Description 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. Specification: Channel CH2O Temperature Humidity Measuring range 0~10PPM -30~+70℃ 0~100%RH Measuring accuracy ≤3% ±0.2℃ ±2%RH Resolution 0.01PPM 0.1℃ 0.1%RH Sampling rate 60 to 240 seconds Record interval 60 to 43,200 seconds Record volume 43,000 Sensor type CH2O , temperature humidity sensorS Battery 3.6V lithium(ER14505) battery *2 Communicate interface USB Dimension 108.6mm * 90.8mm * 35.8mm LCD size 52mm *31mm Weight 180g Standard Accessories user manual, analysis software,USB cable