Series 475 mark iii digital manometer manual

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OPERATING INSTRUCTIONS: ON/OFF: Press ON/OFF to turn the unit on. Press and hold ON/OFF for about. 2 seconds to turn it off. Device will automatically shut off Dwyer 475 Series Intrinsically Safe Handheld Digital Manometers. Get Free Shipping when you buy now from GlobalTestSupply.com. In stock, fast shipping! Find helpful customer reviews and review ratings for Dwyer Series 475 Mark III Handheld Digital Manometer, Intrinsically Safe, FM Approved at Amazon.com.Mk III Handheld Digital Manometer Series 475 | Manualzz The Dwyer® Series 475-FM Mark III Handheld Digital Manometer is ideal for field calibration, A-532 air velocity slide chart and instruction bulletin H-11. All items are packed in a tough molded plastic carrying case with die cut foam liner. 475-0-FM. accuracy ±0.5% fs rugged aluminum metal housing one touch™ calibration technology series 475 differential pressure for use with natural gas. Dwyer 475-2-FM Mark III Handheld Digital Manometer, 0-40.00" w.c. (9.96 kPa) - at the Test Equipment Depot. The Series 475 Handheld Digital Manometer measures positive, negative, or differential pressures of air and natural gases in ranges from 1 in w.c. (0.249 kPa)