A300 - CO2 Transmitter Series
Optimize Your Ventilation with Peak Accuracy
Powered by Senseair’s S12 sensor, this industrial-grade solution pairs high-precision CO2 monitoring with ultra-low power consumption. Through Modbus-driven occupancy tracking, airflow is automatically optimized to balance peak climate performance with maximum energy efficiency. Ideal for 24/7 occupied environments, the maintenance-free design eliminates upkeep across both premium commercial offices and modern residential developments
Complies with leading global standards such as EU’s Energy Performance of Buildings Directive (EPBD), ANSI/ASHRAE 62.1-2022, RESET® Grade A/B, and WELL Building Standard™ (WELL v2)
Available Models
A300-C-W
Dimensions(L*W*H)
Dimensions
(L*W*H)
110*82*20MM
IP Rating
IP30
Mounting Type
Wall-Mounted
Measured Gas
CO2
Modbus
Yes
Analog Output
Yes
Temp&Humidity
No
A300-CTH-W
Dimensions(L*W*H)
Dimensions
(L*W*H)
110*82*20MM
IP Rating
IP30
Mounting Type
Wall-Mounted
Measured Gas
CO2
Modbus
Yes
Analog Output
Yes
Temp&Humidity
Yes
A300-C-D
Dimensions(L*W*H)
Dimensions
(L*W*H)
140*45*45MM,Probe Length:140mm
IP Rating
IP65
Mounting Type
Duct-Mounted
Measured Gas
CO2
Modbus
Yes
Analog Output
Yes
Temp&Humidity
Yes
A300-CTH-D
Dimensions(L*W*H)
Dimensions
(L*W*H)
140*45*45MM,Probe Length:140mm
IP Rating
IP65
Mounting Type
Duct-Mounted
Measured Gas
CO2
Modbus
Yes
Analog Output
Yes
Temp&Humidity
Yes
Key Features
- Cost-efficiency, affordable price
- Easy deployment across any buildings
- NDIR technology to deliver precise monitoring
- CO2, Temperature and Humidity tracking within a single unit
- No more constant upkeep or frequent recalibration
- Integration via Modbus for better DCV performance
- Versatile mounting options
CO2 Measurement
Sensor
Sensor Senseair S12(Latest Version)
Operating Principle
LED-based Non-Dispersive Infrared(NDIR)
Sampling Frequency
0.5Hz(Standard)
Response Time(T90)
<30sec
Accuracy
±30ppm ±3% of reading
Calibration
Supports ABC (Automatic Baseline Correction) and manual calibration
Expected Lifespan
>15 years (with ABC enabled)
ANSI/ASHRAE 62.1-2022 Draft Addendum d , RESET® grade A/B and WELL Building Standard™ (WELL v2).
The First Step to Better Air
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