Triplett GSM200 Desktop Indoor Air Quality CO2 Monitor
- Real time calendar with date and time
- Min/Max records highest and lowest readings for CO2, Temperature and Humidity
- Data Hold freezes the reading on the display
- °F/°C selectable
- Includes AC adaptor

The Triplett Model GSM200 Desktop Indoor Air Quality CO2 Monitor simultaneously displays CO2, Temperature, Relative Humidity, Time and Date 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. It has 3 status indicators (Good/Normal/Poor) that change with CO2 concentration and user programmable audible/visual CO2 alarms (Good (default 800ppm), Poor (default 1200ppm)) with disable to alert you when safe CO2 levels have been exceeded. The sensor incorporates NDIR (non-dispersive infrared) waveguide technology and has a built-in CO2 Automatic baseline calibration for long term drift compensation. Min/Max function records the highest and lowest readings for CO2, Temperature and Humidity over time and Data Hold can freeze the reading on the display for easy viewing. Temperature readings are °F/°C selectable. Includes AC adapter.
Triplett GSM200 Desktop Indoor Air Quality CO2 Monitor Features
- 3 Carbon Dioxide Status Indicators: Indicates Good / Normal / Poor air quality which helps in quick assessment of the environment.
- User Programmable Alarms: Customizable audible/visual alarms for CO2 levels (Good at 800ppm, Poor at 1200ppm) ensure timely alerts for maintaining air quality.
- Automatic Baseline Calibration: Ensures long-term accuracy and reliability by compensating for sensor drift over time.
- NDIR Sensor Technology: Delivers accurate CO2 readings utilizing non-dispersive infrared technology, enhancing measurement reliability.
- Real Time Calendar: Displays date and time, providing additional useful information alongside air quality readings.
- Min/Max Record Function: Helps track the highest and lowest registered CO2, Temperature, and Humidity levels for better monitoring.
- Data Hold Feature: Freezes the current reading on the display for precise observation and recording.
- Selectable Temperature Units: Offers the ability to view temperature in either Fahrenheit or Celsius, catering to user preference.
- Includes AC Adaptor: Ensures the device is ready for use without additional purchases, enhancing convenience.
Triplett GSM200 Detailed Specifications
| CO2 Measurement Range | 0-5000ppm |
| Temperature Measurement Range | 32°F to 122°F (0°C to 50°C) |
| Relative Humidity Range | 0-100% |
| Power Supply | AC Adapter |
| Dimensions | 7 x 2.5 x 4 inches |
| Weight | 1.5 lbs |



