AG-CO2-100 CO₂ Sensors
Room CO₂ Sensor with Display
NDIR CO₂ and temperature room sensor with LCD for demand-controlled ventilation
4–20 mA 0–10 V Modbus RTU
Features
- NDIR dual-beam with ABC auto-calibration — no manual re-zeroing needed
- Visual CO₂ status LED (green / amber / red) for occupant feedback
- Relay output option for direct fresh-air damper control without BMS
Enquire about this product
No forms — email directly to sales@agcontrolli.com
24-month warranty · Technical support included
Specifications
| CO₂ Range | 0–2000 ppm (0–5000 ppm extended range model) |
| CO₂ Accuracy | ±50 ppm ±3% of reading at 25°C |
| CO₂ Technology | NDIR dual-beam with ABC auto-calibration |
| Temperature Range | 0 to +50°C (±0.5°C) |
| Output Signal | 4–20 mA (CO₂), 4–20 mA (T), RS-485 Modbus RTU |
| Supply Voltage | 18–30 V DC |
| Display | LCD showing CO₂ ppm and temperature |
| Housing | ABS wall plate, 86×86 mm, white |
| Warm-up Time | < 2 minutes |
| Certifications | CE, RoHS |
Applications
- Demand-controlled ventilation (DCV) in offices and classrooms
- BMS CO₂ setpoint for AHU fresh-air damper modulation
- Indoor air quality monitoring and compliance logging
Compatible Platforms
Reliable Controls MACH-ProSysSiemens Desigo CCHoneywell EBISchneider EcoStruxureJohnson Controls Metasys
Works with any BMS that accepts 4–20 mA / 0–10 V / Modbus RTU signals.
Other BMS & HVAC Sensors
AG-CO2-200
Duct CO₂ Sensor
Duct-mount NDIR CO₂ sensor for AHU return air demand ventilation control
4–20 mA0–10 VModbus RTU
AG-THR-300 Temperature & Humidity BMS Sensor
Wall-mount BMS T+RH sensor with large LCD and lockable setpoint adjustment
4–20 mA0–10 VModbus RTU
AG-DPS-400 Duct Differential Pressure Sensor
MEMS duct DP sensor for AHU filter monitoring and variable-speed fan control
4–20 mA0–10 VModbus RTU
Ready to specify?
Send us your pipe size, media, range and protocol — we'll confirm availability and lead time.
sales@agcontrolli.com