GSM450.

GSM450 is a carbon monoxide/carbon dioxide IAQ datalogger meter measures CO, CO2, Temperature, Humidity, Wet Bulb and Dew Point and can be used to measure air quality in office buildings, schools, exhibition halls, shopping malls, meeting rooms, fitness centers, restaurants and other public places. Manually step through CO, CO2, temperature, humidity, wet bulb and dew point to display each reading on its large backlit LCD display. It features TWA (Time Weighted Average - 8 hours) and STEL (Short Term Exposure Limit - 15 minute weighted average) measurement with a user-adjustable 80dB CO alarm level.

• NDIR (non-dispersive infrared) waveguide technology
• Real time clock
• Min/max and data hold
• °F/°C selectable
• Auto power off with disable
• Manually store/recall up to 99 readings
• Datalog up to 32,000 readings
• 1 year warranty
• Dimension is 7.9 x 2.7 x 2.3”

Contents

Carbon monoxide/carbon dioxide IAQ vmeter, (4) AA batteries, Mini USB cable, Software, Carrying case.