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Dwyer’s Series AVUL air velocity transmitters help to meet CDC and ASHRAE standards for air changes per hour. These units provide a linear velocity output signal that can be paired with a building management system to determine air changes. Changing over air more frequently in a space can help to minimize the spread of viruses and pathogens that could be present in the air. Dwyer offers selectable velocity ranges up to 4000 FPM for AVUL models. With the ability to change the velocity range to suit the application, one device can fit the various air velocities found within schools.

Dwyer’s Series MSX Magnesense® transmitters can be used to measure duct static pressure to ensure proper air flow throughout an HVAC system. With its selectable pressure ranges and selectable output signals, Magnesense® transmitters can easily be adjusted in the field to accommodate various types of DDCs (Direct Digital Controls) or BMS’s (Building Management Systems) while accommodating the pressure needs in various school applications. 

The Series MAFS sensor is ideal for use with Dwyer® precision air velocity gages, transmitters, and switches. The Series MAFS uses evenly distributed total and static pressure measuring points to deliver an accurate measurement of velocity pressure in a duct.

The Series RHP-E/N transmitter is the most versatile room transmitter on the market. The stylish housing is well vented to provide air flow across the sensor to improve measurement accuracy. The humidity and the dew point are measured using a capacitive polymer sensor that completely recovers from 100% saturation. The humidity and dew point can have either a current or voltage output, while the optional temperature output can be a current, voltage, RTD or thermistor.

The Series CDT transmitter accurately monitors the carbon dioxide concentration and temperature in indoor environments, and can help take the guesswork out of monitoring and identifying when CO2 levels are increasing in schools. The -S option has a front-facing LED that illuminates when the CO2 level exceeds 1100 PPM. This new feature addresses concerns raised by legislation, including California Assembly Bill 841 and Nevada Assembly Bill 257.

Dwyer offers an array of thermistor or RTD temperature sensors to fit various applications. By measuring the temperature in ventilation systems, condensers, and outdoor environments, it’s possible to adjust the system accordingly to ensure both optimal comfort and energy savings. The Series TE sensors offer flexible setup with low cost and easy installation.