| Sensing Method |
Non-dispersive infrared (NDIR) absorption
Gold-plated optics
Patented ABC Logic self calibration algorithm |
| CO2 Measurement Range |
0 to 2000 ppm
0 ppm = 0 V, 4 mA |
| CO2 Accuracy |
±30 ppm or 3% of reading (whichever is greater)* |
| Temperature Dependence |
0.2% FS per °C (±0.11% per °F) |
| Stability |
<2% of FS over life of sensor (15 years) |
<5% of FS or <10% reading annual over life of sensor (10 years) |
| Pressure Dependence |
0.135% of reading per mm Hg |
| Operating Conditions |
32°F to 122°F (0°C to 50°C)
0 to 95% RH, non-condensing
|
| Storage Conditions |
-40°F to 158°F (-40°C to 70°C) |
| Thermistor Accuracy |
±1°C (15°C to 35°C) |
| RH Sensing Element |
Capacitive polymer sensor |
| RH Range |
0% to 99% RH (non-condensing) |
| RH Accuracy (25°C) |
±2.5% RH (20% to 80% RH)
±3.5% RH (<20% and >80% RH) |
| Active Temperature Accuracy |
±0.8°C @ 22°C |
| Active Temperature Range |
32°F to 122°F (0°C to 50°C) |
|
*C02 accuracy statement excludes standard gas used for calibration that has an accuracy of 2%. In addition, there is a potential digital to analog error of up to 1%.
|
