Greystone carbon dioxide sensor CDD4 Series
FEATURES:
SPECIFICATION:
Power supply | 20-28 VDC |
Output Signals | 4-20 mA active (sourcing), 0-5 Vdc or 0-10 Vdc (field selectable) |
Sensor Coverage Area | 100 m² (1000 ft²) typical |
Measurement Type | CDD4A: Non-Dispersive Infrared (NDIR), diffusion sampling |
| CDD4B: Dual Channel Non-Dispersive Infrared (NDIR), diffusion sampling |
Measurement Range | CDD4A: 0 - 2000 ppm |
| CDD4B: 0 - 20,000 ppm, programmable span from 2000 to 20,000 ppm |
Standard Accuracy | CDD4A: ±30 PPM + 3% of reading with Auto Cal on. |
| CDD4B: ±75 PPM or 10% of reading (whichever is greater) |
Temperature Dependence | 0.2% FS per °C |
Resolution | 1 ppm CO2, 1% RH, 1°C (1°F) |