Provides the most comfortable ventilation, and contributes to energy savings.
| Description | insertion CO2 concentration sensor | CO2 concentration controller | CO concentration transmitter | |
| External view | ![]() |
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| Model number | CY8100C | CY7101A | CY7200A | |
| Usage | CO2 | CO2 | CO2 | |
| Sensor elements | Non-dispersive infrared absorption method(NDIR) | Solid electrolyte method | Constant-potential electrolytic method | |
| Measurement range | 0 ~ 2000 ppm | 400 ~ 2000 ppm | 0 ~ 60 ppm | |
| Response time | 2min or less(w/no wind) 10sec or less (when air velocity is 2m/s) |
Within 90 sec (90%response) | Within 60 sec (90%response) | |
| Output signal | 1 ~ 5V DC (0 ~ 2000ppm linear) | 1 ~ 5V DC(0~2000ppm linear) SPST switch (ON at 800 ppm or 1000 ppm) |
4 ~ 20mA DC (two wire system) (0 ~ 60 ppm linear) |
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| Mounting | duct insertion | wall mount | wall mount | |
| Power supply | AC 24V | * | * | - |
| DC 24V | - | - | * | |
| order separately | CO2 service bag | 83104511-001 | - | - |
| Base plate | - | 83165803-001 | 83152965-001 | |
| Dust filter (filter: 1pc, filter cover; 1pc) | - | - | CY7200Z2000 | |
| Dust filter (5pcs) | - | - | CY7200Z3000 | |



