General Tools CDM77535 General Tools Handheld Digital Temperature/Humidity/CO2 Meter, 0 to 5000 ppm, 4° to 140° F, 0 to 99.9% RH

Description

• Building or Office Indoor Air Quality.
• Measures ambient temperature, relative humidity (RH), dew point and wet bulb temperatures, and CO2 level
• The backlit LCD displays ambient temperature, RH and CO2 level on separate readouts
• Uses a stable, non-dispersive infrared (NDIR) sensor to measure CO2
• Calculates, periodically updates and displays an 8-hr. time-weighted average (TWA) of CO2 exposure and a 15-minute short-term exposure limit (STEL)
• Adjustable Hi and Lo audible/visual CO2 alarm levels
• Min/Max memory + data hold
• Optional #ASFTKIT PC data logging software/hardware is available
• 33% and 75% #HR33 and HR75 reference salts are available to calibrate RH measurement in the field
• Auto power off (can be disabled for data logging and calibration)
• Wall or desktop mount