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Help CenterCOZIR-A Ultra Low Power Carbon Dioxide Sensor NDIR CO2 Gas Sensor
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COZIR is an ultra low power (3.5mW), high performance CO2 sensor, ideally suited for battery operation and portable instruments. Based on GSS IR LED and Detector technology, and innovative optical designs, the COZIR offers the lowest power NDIR sensor available.Optional temperature, humidity and light sensing are available. COZIR is a third generation product from GSS - leaders in IR LED CO2 sensing.
With measurement ranges of 0-2000ppm, 0-5000ppm and 0-1% the COZIR Ambient Sensor is suitable for applications such as Building Control and Horticulture.
• Ultra-low Power 3.5mW
• Measurement ranges from 0 to 1%
• Low noise measurement (
• 3.3V supply.
• Peak current only 33mA.
• Optional Temperature and Humidity Output.
COZIR-A NDIR CO2 Gas Sensor Specification
| General Performance | |
| Warm-up Time |
|
| Operating Conditions |
0°C to 50°C (Standard) -25°C to 55°C (Extended range) 0 to 95% RH, non-condensing |
| Recommended Storage |
-30°C to +70°C |
| CO2 Measurement | |
| Sensing Method |
Non-dispersive infrared (NDIR) absorption Patented Gold-plated optics Patented Solid-state source and detector |
| Sample Method |
Diffusion |
| Measurement Range |
0-2000ppm, 0-5000ppm, 0-1% |
| Accuracy |
±50 ppm +/- 3% of reading |
| Calibration |
Autocalibration |
| Non Linearity |
|
| Pressure Dependence |
0.13% of reading per mm Hg in normal atmospheric conditions. |
| Operating Pressure Range |
950 mbar to 1050 mbar |
| Response Time |
30 secs to 3 mins (Configurable via filter type and application) Reading refreshed twice per second. |
| Electrical/ Mechanical | |
| Power Input |
3.25 to 5.5V. (3.3V recommended). Peak Current 33mA. Average Current |
| Power Consumption |
3.5 mW |
COZIR-A NDIR CO2 Gas Sensor Dimensions and Wiring Connections
2x5 0.1” header. view from underside (connector side)
| Function |
Pin # |
Pin # |
Function |
| GND |
1 | 2 | N/C |
| +3.3V |
3 | 4 | N/C |
| Sensor Rx (in) |
5 | 6 | N/C |
| Sensor Tx (out) |
7 | 8 | Nitrogen Zero |
| Analogue O/P |
9 | 10 | Fresh Air Zero |
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