Carel USA offers PTC (Refrigeration and Heating), NTC (HVAC/R), and active industrial environment air temperature sensors. PTC sensors measure temperatures ranging from -58 to 752°F, and they are ideal for refridgeration, heating, and high temperature applications. NTC sensors have cable lengths ranging from 2.5 to 20 feet, and temperature ranges from -58 to 302°F. Active industrial environment sensors have humidity ratings from 10 to 100 rh, and power supplies ranging from 9 to 30 VDC.

Campbell Scientific, Inc. offers the following air temperature sensor configurations: 109-L, 108-LC, 108-L, 107-LC, and 107-L. 108-LC sensors have temperature measurement ranges from -5 to +95°C, 30-60 seconds of time constant in air, and ±0.2°C tolerances over a 0-70°C range. Other products offered by Campbell Scientific include fine wire thermocouples, aspirated thermocouples, RTD temperature probes, etc.

Dwyer Instruments, Inc. offers air temperature sensors in a variety of configurations, including: Series TE, Series O-4, Series AVG, and Series AD. Series TE duct/immersion building automation temperature sensors have the following features: probe lengths up to 18", RTD/thermistor outputs, compression fittings, 8' platinum rated cables, 4" leads, etc. These sensors have air volume, air/water temperature monitoring, and air handler unit applications.

Danfoss offers air, land, and sea temperature sensors. These sensors can measure temperatures ranging from -50 to 800°C, they feature Pt 100/1000 resistance elements, and high temperature thermocouples. These sensors have applications for HVAC/R, process, energy, machine/equipments, and transportation.

NovaLynx Corp. offers temperature sensors for air, soil, and water. 210-301 temperature sensors operate between 5 and 30 VDC, they have linear 10 mV/°F outputs, temperature ranges between 0 and 120°F, and ±0.5°F accuracy ratings. These sensors data logger applications.

Omega Engineering, Inc. offers 805/806 air temperature RTD sensors, and 705/706 OL Series linear thermistor sensors for air temperature measurements. RTD-805/806 sensors have the following features: exposed sensing elements, plastic/stainless steel housings, a 3-wire construction, class "A" DIN platinum elements, multiple mounting options, etc. These sensors are ideal for monitoring gas/air streams in laminar flow benches and laboratories.

Spectrum Sensors & Controls, Inc. offers snap-in air temperature sensors. These sensors feature a sturdy construction, excellent thermal responses, easy snap-in installation, multiple thermistor values/curves, and 10ft AWG#22 PVC insulated leads.

Harco Laboratories, Inc. offers Total Air temperature sensors for U.S. military aircraft applications. These sensors are available in a variety of custom designs, and they can be customized for flange/connector mounting. In addition, they are specially constructed to prevent de-icing heat from affecting the temperature output.

Decagon Devices, Inc. offers ECT air temperature sensors for greenhouse management, soil respiration, and watershed characterization applications. These sensors have temperature ranges from -40 to 50°C, outputs ranging from 320 to 1000 mV, and power ranges from 2.5 to 3.6 VDC. These sensors are submersible, waterproof, and designed for ongoing outdoor usage.

Onset Computer Corporation offers TMC6-HE 6' temperature sensors. These sensors have in-air ranges from -40 to 212 F, 0.05 degree resolutions, a 2 minute in-air response time, and multiple pipe-mounting options.