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Best R410a Leak Detector
I have tested part per million sensitivity on 22 different refrigerant leak detectors. Each test is in the Free Leak Detector report in this description. I recommend the Fieldpiece DR58 leak detector as #1. And the Testo 3164 as #2.
The free leak detector report pdf is here: https://www.dropbox.com/s/o9d3ur4wuhl...
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