Tongdy
G01-CO2-B30C-301-02
Wall Mount Carbon Dioxide Monitor with Temperature and RH
This CO₂ Monitor provides real-time measurement of carbon dioxide, temperature and relative humidity, featuring a three-color backlight LCD to indicate CO₂ levels at a glance.
Note: All Tongdy monitors and controls ship direct from the factory. Please allow 10-15 business days for shipping and handling.
It can optionally display 24-hour averages and maximum CO₂ values for more comprehensive tracking. A buzzer alarm can be enabled, disabled, or silenced once triggered for flexible alerting. The device offers optional on/off output to control a ventilator and an RS485 Modbus interface for system integration. It supports multiple power options, including 24VAC/VDC, 100–240VAC or USB/DC adapter, and is designed for wall-mounting (desktop version also available).
-
Real-time CO₂ monitoring for accurate indoor air quality management
-
NDIR infrared CO₂ sensor with self-calibration for precise and reliable readings
-
Long-lasting sensor with over 10-year lifespan
-
Monitors temperature and humidity alongside CO₂
-
Three-color LCD backlight (Green/Yellow/Red) indicates ventilation levels at a glance
-
Buzzer alarm can be enabled or disabled as needed
-
Optional 24-hour average and maximum CO₂ display
-
Optional relay output to control ventilation systems
-
Modbus RS485 communication for system integration
-
Touch-button interface for simple operation
-
Multiple power options: 24VAC/VDC, 100–240VAC, or USB 5V
-
Desktop version also available
Applications
- Schools, offices, hotels, meeting rooms
- Shops, restaurants, hospitals, theaters
- Air ports, train stations, other public places
- Apartments, houses
- All ventilation systems
| Power supply | 100~240VAC or 24VAC/VDC wire connecting USB 5V (>1A for USB adaptor) 24V with an adaptor |
| Consumption | 3.5 W max. ; 2.5 W avg |
| Gas detected | Carbon Dioxide (CO2) |
| Sensing element | Non-Dispersive Infrared Detector (NDIR) |
| Accuracy@25℃(77℉) | ±50ppm + 3% of reading |
| Stability | <2% of FS over life of sensor (15 yr typical) |
| Calibration interval | ABC Logic Self Calibration Algorithm |
| CO2 sensor life | 15 years |
| Response Time | <2 minutes for 90% step change |
| Signal update | Every 2 seconds |
| Warm up time | <3 minutes (operation) |
| CO2 measuring range | 0～5,000ppm |
| CO2 Display resolution | 1ppm |
| 3-color backlight for CO2 range | Green : <1000ppm Yellow: 1001~1400ppm Red: >1400ppm |
| LCD Display | Real time CO2, Temp &RH Extra 24h average/max/min CO2 (optional) |
| Temperature measuring range | -20～60℃(-4～140℉) |
| Humidity measuring range | 0～99%RH |
| Relay output (optional) | One relay output with rated switching current: 3A, resistance load |
| Operation conditions | -20~60℃(32~122℉); 0~95%RH, non condensing |
| Storage conditions | 0~50℃(14~140℉), 5~70%RH |
| Dimensions/ Weight | 130mm(H)×85mm(W)×36.5mm(D) / 200g |
| Housing and IP class | PC/ABS fireproof plastic material, protection class: IP30 |
| Installation | Wall mounting (65mm×65mm or 2”×4”wire box) Desktop version also available |
| Standard | CE-Approval |
Compartir este producto
A few of our valued customers:
