477AV-3 | 0/200" Handheld Dig. Manometer | Dwyer Instruments Size_200 Piece Assortment For the most reliable and

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477AV-3 | 0/200" Handheld Dig. Manometer | Dwyer Instruments Size_200 Piece Assortment For the most reliable and**Dwyer Instruments NCO 477AV 3 Handheld Digital Manometer** The Dwyer Instruments NCO 477AV 3 is a compact and accurate handheld digital manometer, designed to measure pressures in various applications. It features a measurement range of 0 200" H2O and a resolution of 0. 001" H2O, providing precise readings for both positive and negative pressures. The NCO 477AV 3 is equipped with a backlit LCD display for easy viewing and includes a zero adjustment