GMD110
Duct CO2 Transmitter GMD110
For high-accuracy measurements in HVAC applications
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The duct-mounted high-accuracy transmitter GMD110 is designed to measure carbon dioxide in demanding HVAC applications. The IP65-rated transmitter is equipped with the renowned CARBOCAP® sensor: Its structure and reference measurement capabilities make this single-beam, dual-wavelength NDIR sensor extremely stable and reliable. CO2 concentration is measured inside the duct without risks for leaks or wrong flow direction affecting the measurement. The measurement accuracy is not affected by dust, water vapor or chemicals.
± 40 ppm CO2 accuracy Traceable calibration (certificate included) Incorporates Vaisala CARBOCAP® sensor Analog and Modbus RTU output options Excellent long-term stability Optimal choice for demand-controlled ventilation
Fit for demanding measurement needs
Vaisala delivers advanced HVAC transmitters that empower automation systems to perform flawlessly in the most demanding environments, from data centers and semiconductor fabs to cleanrooms, hospitals, and other critical spaces, ensuring precise, reliable measurements where they matter most.
Our transmitters offer superior reliability, easy installation, and seamless integration with major Building Automation and Building Management Systems. The comprehensive product range includes temperature, humidity, air pressure, dew point, and CO₂ for ambient air, pipes, ducts, and outdoor applications.
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Choose the model, probes and accessories. Incompatible combinations are blocked as you go; the remaining rules are checked when the instrument is added to the quote.
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GMD110
A code can be pasted and the configuration builds itself.
Services and accessories
They are quoted separately: the instrument need not be configured.
Key benefits
High precision
CO2 concentration is measured inside the duct without risks for leaks or wrong flow direction affecting the measurement. The measurement accuracy is not affected by dust, water vapor or chemicals either.
Stability - Reliability
The high quality and excellent stability of the measurements enables precise and reliable controls of HVAC systems, even in demanding conditions or sites.
Traceable Accuracy
The instruments are individually adjusted and delivered with a traceable (ISO 9001) calibration certificate. The transmitter is easy to calibrate also on site using a Vaisala handheld meter or Vaisala Insight PC software.
Documents
- DatasheetGMD110 is a high-accuracy duct transmitter for measuring carbon dioxide in air‑handling systems and ventilation ducts. The transmitter is equipped with the renowned CARBOCAP sensor that has unique accuracy and measurement stability, which supports precise and reliable controls of HVAC systems even in demanding conditions and sites.
- User guideThis document provides detailed instructions for installing, using, and maintaining the Vaisala GMD110 Duct Carbon Dioxide Transmitter.