For this reason, this sensor was selected and integrated into the 55900 Leak Detector. SPECIFICATIONS: SENSITIVITY: HIGH ≥ 0. (4 g/yr. ). (7 g/yr. )., LOW ≥ 0. (14 g/yr. ). "SUPER SENSITIVE FUNCTION" allows the unit further sensitizing beyond the standard settings for locating small leaks with gases such as R1234yf and R407C.
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