Airflow & Psychrometers

UEi Test Instruments DAFM4 Digital In-Duct Mini Vane Anemometer, 99-3,937 FPM, 0-99,999 CFM Air Flow Capacity, ± 3% RH (77°F, 10-90% RH), ± 5% RH (RH, Otherwise), ± 1.1°F (Temperature, -4°F - 122°F), ± 2.2°F (Temperature, Otherwise), LCD, Battery, 80 Hrs Battery Life, 9V Alkaline Battery

Fieldpiece Instruments STA2 In-Duct Hot-Wire Anemometer, 40-3,960 FPM, ± (5% RDG + 1 Digit) Or ± (1% FS + 1 Digit) (Velocity), ± 1.0°F (Temperature, 32°F - 113°F), ± 2.0°F (Temperature, -4°F - 32°F And 113°F - 140°F), Dual Display, 9V Battery, 20-35 Hrs (Alkaline, Approx) Battery Life, 9V Alkaline Battery, <75% RH (Operating) Humidity Rating

Fieldpiece Instruments JL3RH Psychrometer Probe, 0-100% Humidity Rating, -40-250 °F, ± 1 °F (32-113°F), ± 2 °F (-4-32°F, 113-140°F), 1,000' Wireless Range, 0.36" Diam x 9.25" L Probe Size, 60 Seconds (90% Of Differential TYP), Battery Power Source

UEi Test Instruments DTHA2 Wireless Anemometer Psychrometer, 217-3,937 FPM, ± 3% RH (Humidity, 10-90% RH), ± 5% RH (Humidity, Otherwise), ± 1.0°F (Temperature), Battery, CR2032 Battery, Ios® And Androidâ„¢ (Via Free App Uei DTHA2), Bluetooth® 4.0 And Newer, 0.1-99.9% (RH) Humidity Rating, 5-122 °F (Operating) Temperature Rating

Yellow Jacket® DEW® 67063 Psychrometer, -40 to 257 deg F, Relative Humidity Range: 0 to 100 %, Bluetooth Enabled: Yes