About this item

• TRIPLE DISPLAY ?C Temperature (??F/ ??C) and Humidity (Air. Wet Bulb. or Dew Point Info are all available)
• IDEAL INDOOR AIR QUALITY METER FOR HOME ?C Stable NDIR Sensor for CO2 Detection for laboratories. hotels. etc
• MULTI FUNCTIONS FEATURES ?C BackLight . Hold Data . Min/Max. Auto / Manual power off .Easy manual calibration on CO2 and humidity
• NON-DISPERSIVE INFRARED TECHNOLOGY -NDIR SENSOR for CO2 DETECTION used to ensure the reliability and long-term stability. Measures 0~9999ppm while 0~2000ppm can maintain a high accuracy at +/- 50pp
• AUDIBLE SOUND ALARM- The alarm beeps when the CO2 Level exceeds the preset value. The alarm threshold is adjustable.