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The Optrel Crystal 2
6-Point Ratchet
a trim-fit half-frame polycarbonate design that removes the lower lens rim for a wider downward field of view
If you want a washable plug
95 Real-World Note Derate ~25% (NIOSH) -> effective ~18 dB in the field Related Resources
Fieldpiece DR58 Refrigerant Leak Detector — Heated-Diode Sniffer Small The Optrel Crystal 2EDITORIAL REVIEW: 4. 5 5 WC Safety Review of the Fieldpiece DR58, judged on listing specs and category fit. Editorial assessment by Steven Eaton, WC Safety editor, based on published Fieldpiece specifications and category fit. We did not laboratory test this product. The Fieldpiece DR58 is the HVAC pro's refrigerant sniffer a heated diode leak detector from a brand built around service techs, made to pinpoint the leak a gauge set can only suspect.
