Fieldpiece JL3RH - Job Link Flex Psychrometer Probe w/Remote Data Logging

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Fieldpiece JL3RH

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. You can Send measurements directly to your mobile device running the Job Link® system mobile app.


  • Place in critical locations based on system needs
  • Requires only 3/8” hole for duct testing