| TSI Alnor Datalogging Indoor Air Quality Meter,
Carbon Dioxide/Temp/RH CF920
Features
Stable, low drift NDIR sensor to monitor carbon dioxide
Real time Carbon Dioxide readings 0 to 5,000 ppm
Statistics function for average, maximum and minimum values
Displays three parameters simultaneously; carbon dioxide, temperature, and humidity
Displays humidity as %RH, dew point and wet bulb
Calculates the % outside air from either carbon dioxide or temperature
Manual or continuous data logging
Stores 12,700 sets of downloadable readings with time and date stamp
Includes LogDat2 software cable and interface cable
Specifications
Carbon Dioxide
Sensor Type: Dual wavelength, non-dispensive infrared (NDIR)
Range: 0 to 5000ppm
Resolution: 1 ppm
Accuracy: +/- 3% rdg or +/- 50 ppm, whichever is greater
Temperature
Sensor Type: Thermistor
Range: 32 to 140 degrees F (0 to 60 degrees C)
Resolution: 0.1 degrees F (0.1 degrees C)
Accuracy: +/- 1.0 degrees F (+/- 0.6 degrees C)
Relative Humidity
Sensor Type: Thin film capacitive
Range: 5 to 95% RH
Resolution: 0.1 % RH
Accuracy: +/- 3.0% RH
General
Logging Capability: 30,300 data points with 3 parameters enabled
Log Intervals: 1 second up to 1 hour (user selectable)
Time Constant: 1s, 5s, 10s, 20s, 30s (user selectable)
Power Supply: 4 x AAsize 1.5V batteries
Dimensions: 3.3 x 7.0 x 1.8 inches (84 x 178 x 44 mm)
Weight: 1.16 lb
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All prices are in Canadian Currency