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![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-800x800.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-1-800x800.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-2-800x800.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-3-800x800.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-100x100.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-1-100x100.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-2-100x100.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
![Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.](image/cache/wp/gj/Products/Dwyer_LDPM-3-100x100.webp "Dwyer LDPM [LDPM-01] Digital Differential Pressure Manometer, 55.4 in. w.c.")
The Dwyer LDPM01 Digital Differential Pressure Manometer, 55.4 in. w.c., 11 Selectable Pressure Units, 3% Accuracy is a versatile, handheld, battery operated manometer that can measure up to 55.4 in w.c. (140.6 cm w.c.). It is able to measure either positive, negative, or differential pressure with a 3% FS accuracy. Users can select from 11 common English and metric pressure units.
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