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Re: Magnehelic pressure differential gauges
Posted to Tool & Equipment Forum on 5/13/2023

Sorry for the 3rd reply , the brochure that come with that gauge show on the picture 0 to 1.0 inches of water , the actual gauge scale is 0 to 25 millibar , Both gauges are rated to max 15 psig . I tried a hand held vacuum pump on it , the gauge will bottom ou... Login to read more.