HVAC & indoor air meters Here's our selection of HVAC meters for indoor and outdoor use. You have several HVAC measurement meter options to choose from to best suit your needs. Our selection includes wall-mounted and duct-mounted measurement instruments and probes. Which ever meter, sensor, or transmitter you choose, they are all easy to install, use, and require very little maintenance.
Indigo 200 Series Transmitters for Vaisala's Smart Humidity, Temperature, Dew Point, Moisture in Oil, CO2 and H2O2 Probes Vaisala Indigo 200 Series host devices are part of Vaisala Indigo product family and intended for Vaisala's intelligent, stand-alone humidity probes... Read more
Compact Humidity and Temperature Probe HMP9 for Rapidly Changing Environments The Vaisala HUMICAP® Humidity and Temperature Probe HMP9 is designed for easy installation in rapidly changing environments where a fast response time... Read more
CO₂ Probe GMP252 for ppm-level measurements in agriculture, refrigeration, demanding HVAC, and for plant growth manufacturers The Vaisala CARBOCAP® Carbon Dioxide Probe GMP252 is an intelligent, stand-alone, ppm-level probe. It's intended for measuring CO2 in agriculture, ref... Read more
Humidity and Temperature Probe HMP3 for General Purpose Humidity and Temperature Applications with Exchangeable Sensor Vaisala HUMICAP® Humidity and Temperature Probe HMP3 is a general-purpose probe designed for processes with moderate humidity and temperature levels... Read more
Humidity and Temperature Meter Series HMT330 for Demanding Humidity Measurement Measure humidity in harsh environments with the best-in-class instrument you can truly depend on. The Vaisala HUMICAP® Humidity and Temperature... Read more
Humidity and Temperature Transmitter Series HMD/W80 ±3%RH Low Maintenance Transmitters for Standard HVAC The HMDW80 series is versatile with transmitters for wall and duct mounting for measuring relative humidity and temperature in various building... Read more
Humidity and Temperature Transmitter Series HMDW110 ±2%RH transmitters with a certificate for demanding HVAC Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMDW110 is suitable for relative humidity, dew-point, enthalpy, wet-bulb temperature and... Read more
Humidity and Temperature Transmitter Series HMS110 ±2%RH outdoor sensors for HVAC Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMS110 are ideal for cooling tower control and differential enthalpy control of... Read more
Humidity and Temperature Transmitter Series HMS80 ±3%RH Outdoor Sensor for HVAC A reliable basic outdoor humidity sensor for a pole or wall installation. Dew point, wet bulb and enthalpy outputs can be selected by dip switch... Read more
Humidity and Temperature Transmitter Series HMW90 ±1.7%RH Wall Transmitters with a Certificate for Demanding HVAC Typical applications are include museums and archives, production and warehouse facilities, data centers, laboratories, and testing environments. T... Read more
Humidity and Temperature Transmitters HMD60 ±1.5%RH Transmitters for Demanding HVAC, with a Certificate The sturdy and reliable duct mounted Vaisala HUMICAP® Humidity Transmitter Series HMD60 is designed for monitoring relative humidity in demanding HVAC... Read more
Humidity and Temperature Transmitters HMT120/130 ±1.5%RH Transmitters with Exchangeable Probes for Cleanrooms and Light Industrial Applications The Vaisala HUMICAP® HMT120 and HMT130 transmitters are suitable for cleanrooms, museums, laboratories and data centers. Maintaining measurement... Read more
Humidity and Temperature Probe HMP110 with ±1.5%RH Accuracy for Demanding Volume Applications The Vaisala HUMICAP® Humidity and Temperature Probe HMP110 is a trouble-free and cost-effective humidity transmitter with high accuracy and good... Read more
Hand-Held Humidity and Temperature Meter HM40 for Quick Inspections and Spot-Checking Compact, portable, and easy-to-use Vaisala HUMICAP® HM40 Hand-Held is designed for spot-checking in a wide variety of environments and is available... Read more
Handheld CO₂ Meter GM70 for Spot-Checking Applications The Vaisala CARBOCAP® Hand-held Carbon Dioxide Meter GM70 measures volume concentration of CO2 in the units of ppm or %. It is a user-friendly meter... Read more
Handheld Humidity and Temperature Meter HM70 for Demanding Spot-Checking Applications Vaisala HUMICAP® HM70 Handheld is designed for demanding humidity measurement in spot-checking applications. It is also ideal for field checking and... Read more
CO2, Humidity and Temperature Transmitter Series GMW80 for Monitoring Indoor Air Quality Measuring CO2 is the most economical way to monitor both indoor air quality (IAQ) and human presence with one sensor. Inadequate ventilation results... Read more
CO2, Temperature and Humidity Transmitter Series GMW90 for Green Building Projects The wall-mounted Vaisala GMW90 Series CARBOCAP® Carbon Dioxide, Temperature and Humidity Transmitters are especially suited for green building... Read more
CO₂ Transmitter Series GM20 for Demand Controlled Ventilation The duct-mounted Vaisala CARBOCAP® Carbon Dioxide Transmitter Series GMD20 are specially designed for demand-controlled ventilation (DCV). They are... Read more
