General Tools CDM77232 High Accuracy CO2/ Temp/ Humidity Monitor

Wall mount CO2/ Temperature/ RH Meter

• Measures CO2 level, air temperature, humidity,dew point and wet bulb temperature
• Triple backlit LCD displays of CO2 level,temperature and humidity
• Uses stable non-dispersive infrared (NDIR) sensor to measure CO2
• Calculates, periodically updates and displays 8-hour time-weighted average (TWA) of CO2 exposure and 15-minute short-term exposure limit (STEL)
• Visual and audible CO2 alarms
• Min/Max memory +data hold
• Powered by 12V AC/DC adapter
• Manual or automatic calibration of CO2
• RS-232 interface for uploading readings to a PC
• Wall or desktop mount
• CE and RoHS approved
• Includes: AC adapter and user manual

• CO2 Measurement Range: 0 to 5000 ppm
• CO2 Measurement Accuracy:± 30ppm ±5% of reading
• Pressure Dependence of CO2 Measurement:+1.6% of reading per kPa deviation from sea-level atmospheric pressure (100kPa)
• CO2 Calibration Level: 400ppm
• Temperature Measurement Range: 14° to 140°F (-10° to 60°C)
• Temperature Measurement Accuracy: ±0.9°F (0.6°C)
• Humidity Measurement Range: 10 to 95%
• Humidity Measurement Accuracy: ±3%
• Warmup Time: 30 seconds
• Response Times: 30 seconds for CO2 and temperature, 30 minutes for humidity
• Auto Power Off: 20 minutes of inactivity
• Operating Temperature: 32° to 122°F (0° to 50°C)@<80% RH
• Storage Temperature: -4° to 140°F (-20° to 60°C)@<80% RH
• Power Source: AC Adapter (included)