Features
3 Independent CO2, humidity and temperature sensors
User operated CO2 calibration
USB datalogg: 50,000 records
Internal backup battery to maintain date/time setting
Power management IC to increase batter efficiency
Easy- to-Use PC software for parameter settings and data analysis
Internal CO2 alarm buzzer
Specifications
CO2 Sensing Method: NDIR (Non-Dispersive Infrared)
Measures: Carbon dioxide in PPM, temperature (F or C), % Relative Humidity
CO2 Measurement range: 0~9999 ppm (2001~9999 ppm over range)
CO2 Accuracy: +/- 75ppm, +/- 8% of reading (0~2000 ppm)
Display Resolution - +/-1 ppm
Datalogging: 50,000 records,
Fast USB download (50,000 records in less than 10 seconds.)
CO2 Sensor
Type: Non-dispersive infra-red (NDIR)
Measurement Range: 0~9999 ppm (2001~9999 ppm over range)
Accuracy: +/- 75ppm, +/- 8% of reading (0~2000 ppm)
Resolution: +/-1 ppm
Response Time: 2 seconds
Relative Humidity Sensor
Type: CMOSens
Measurement Range: 1% ~99%
Accuracy: +/-3.0%RH(20~80%), +/-5.0%RH(80%)
Resolution
0.1%
Response Time
8 Seconds
Temperature Sensor
Type: Thermistor
Measurement Range: 0 to 50C
Accuracy: +/-0.5C from 0-50C
Resolution: 0.1C
Response Time: 1 second
Power Supply
Battery: Four AAalkaline batteries x4
Battery Operation: 24 hours
External Power Supply: 6V VDC with 0.5A
