Measures Formaldehyde (CH₂O or HCHO) Concentration, Air Temperature and Humidity

• Simultaneously displays Formaldehyde concentration, Air Temperature, and Relative Humidity readings with date (Year, Month, Day) and time
• Visibly bright LED (green & red) and three facial icons indicate indoor CH₂O warning level
• Audible beeping alarm default at 0.08ppm (adjustable)
• Designed with Electrochemical CH₂O sensor
• Min/Max value recall function
• Calculates statistical weighted averages of TWA (8-hour Time Weighted Average) and STEL (15-minute Short Term Exposure Limit)
• CH₂O Calibration function in fresh air
• Internal memory for manually storing up to 99 readings with recall function
• Complete with Universal AC adapter (100V-240V) and multiple plug types (US, EU, UK, AUS)