The JL3RH Job Link® System psychrometer probe has a long flexible wand and strong sliding magnet for easy measurements anywhere on the system. Get instant live readings from ducts, plenums, registers or grilles for accurate diagnostics. Now handles extreme duct temperatures up to 250 deg F and as low as -40 deg F! A flexible wand with a powerful sliding magnet provides quick and easy measurements anywhere on the system.

Fieldpiece Job Link® Flex Psychrometer Probe, Battery Power Source, +/-1 deg F, +/-0.5 deg C, +/-2 deg F, +/-1 deg C, +/-2.5%, +/-5% Accuracy, 60 s Response, 32 to 122 deg F, 0 to 100 % Humidity, 150 hr Battery Life, AAA Alkaline Battery, 1000 ft Wireless, 0.36 in Dia x 9.25 in L Probe

• Powerful 1000 ft wireless range with no transmitter required
• Communicates with Job Link® App and wireless manifolds (SM380V/SM480V)
• Strong magnetic hanger
• Supply and return side switch
• Water-resistant
• +/-(1 deg F) 32 to 113 deg F, +/-(0.5 deg C) 0 to 45 deg C, +/-(2 deg F) -4 to 32 deg F, 113 to 140 deg F, +/-(1 deg C) -20 to 0 deg C, 45 to 60 deg C temperature and +/-2.5% (10 to 90% RH), +/-(5%) <10% RH, >90% relative humidity accuracy

• Owners/User Manual https://assets.unilogcorp.com/267/ITEM/DOC/Fieldpiece_JL3RH_Owners_User_Manual.pdf