Ask the Expert – Hazardous Area Humidity/Temperature Transmitter

Humidity/ Temperature Transmitter, Series RHP

Question: I have a new project coming up, and I am considering using the Series RHP Humidity/Temperature Transmitters. However, the instrumentation needs to be suitable for use in a hazardous area. Would the Series RHP work, or do you have a different instrument that you would recommend for this application? Continue reading “Ask the Expert – Hazardous Area Humidity/Temperature Transmitter”

Dwyer Recognized for HVACR Product Excellence

Dwyer Instruments, Inc. was recognized for excellence in product design in the 14th annual Dealer Design Awards Program sponsored by The Air Conditioning Heating & Refrigeration News Magazine (The ACHR News). An independent panel of contractors acted as judges in the contest that had 81 entries. Three Dwyer products stole the spotlight this year: the PredictAir™ Application Software; the Series AVUL, Air Velocity Transmitter; and the Series 490A-HKIT, Hydronic Differential Pressure Manometer.  ACHR News is the leading trade magazine in the heating, ventilating, air conditioning, and refrigeration industries.

Continue reading “Dwyer Recognized for HVACR Product Excellence”

What are Thermo-Anemometers or Hot Wire Air Velocity Sensors?

Thermo-Anemometers

Dwyer Instruments, Inc. offers many air velocity measuring products that use thermal or hot-wire sensors as the sensing element. There are fixed duct mount styles for continuous monitoring, such as the Air Velocity Transmitters, Series 641, and portable insertion styles for testing, such as the Thermo-Anemometer Test Instrument, Model 471B and the Thermo-Anemometer Probe, Series AP2.

Continue reading “What are Thermo-Anemometers or Hot Wire Air Velocity Sensors?”