475-FM Series

Dwyer Handheld Digital Manometer

The Dwyer 475-FM Series Mark III handheld digital manometer is ideal for field-calibrating, monitoring, or troubleshooting HVAC systems, clean rooms, and a wide range of other low-pressure applications. This handy instrument measures positive, negative, or differential pressures of air and natural gases. The 475-FM Series is approved and intrinsically safe for hazardous locations, Class 1, Division 1, Groups A, B, C, D, and T4.

Products

ADD ALL TO CART

(Wholesale customers, log in for your special pricing)

Qty	Model	Description	In Stock	List Price	Internet Price
	475-0-FM	HANDHELD DIGITAL MANOMETER 0-10.0IN WC RANGE	INFO	828.00	463.68
	475-0-FM-AV	AIR VELOCITY KIT INCLUDING 475-0-FM		1,428.00	799.68
	475-00-FM	HANDHELD DIGITAL MANOMETER 0-4.0IN WC RANGE		828.00	463.68
	475-000-FM	HANDHELD DIGITAL MANOMETER 0-1.0IN WC RANGE	INFO	1,100.00	616.00
	475-000-FM-AV	AIR VELOCITY KIT INCLUDING 475-000-FM		1,686.00	944.16
	475-1-FM	HANDHELD DIGITAL MANOMETER 0-19.99IN WC RANGE	INFO	828.00	463.68
	475-1-FM-AV	DIGITAL MANOMETER HANDHELD	INFO	1,428.00	799.68
	475-3-FM	DIGITAL MANOMETER HANDHELD 200 INWC	INFO	597.00	334.32
	477A-1	DIGITAL MANOMETER HANDHELD 20 INWC	INFO	936.36	524.36

ADD ALL TO CART

Accessories

No accessories found

Features

Measures positive, negative or differential pressure

Intrinsically safe for hazardous locations

Kit includes static pressure tips, 3/16" tubing,166-6-CF pitot tube, A-397 drill bit, velocity slide chart, and case.

Specifications

Supply Voltage:9V alkaline battery

Battery: Life Up to 100 hours

Accuracy: ±0.5% FS, 60° to 78°F (15.6° to 25.6°C); ±1.5% FS from 32° to 60°F (0° to 15.6°C) and 78° to 104°F (25.6° to 40°C)

Pressure Range:

475-000-FM: 0-1.00" W.C. (0-0.249 kPa)/ 5 psig (35 kPa) maximum

475-0-FM-AV:0-10.00" W.C. (0-2.49 kPa)/5 psig (35 kPa) maximum

475-00-FM-AV:0-4.00" W.C. (0-0.995 kPa)/5 psig (35 kPa) maximum

475-0-FM:0-10.00" W.C. (0-2.49 kPa)/5 psig (35 kPa) maximum

475-1-FM:0-19.99" W.C. (0-4.97 kPa)/10 psig (69 kPa) maximum

Device Type: Service of Air and some combustible gases

Connection Type:Two barbed for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) ID tubing

Display: 0.5" liquid crystal, 3-1/2 digits

Air Velocity kit:Air velocity kit includes the 475-FM Manometer, (2) A303 Static Pressure tips, (2) 9' lengths of 3/16" ID rubber tubing, (1) 166-6-CF Pitot Tube, (1) A-397 Step Drill bit, A532 Air Velocity slide chart, Instructions, and a molded plastic Carrying Case, Air velocity kit includes the 475-FM manometer, (2) static pressure tips, (2) 9' lengths of 3/16" ID rubber tubing, (1) 166-6-CF pitot tube, (1) A-397 step drill bit, air velocity slide chart, instructions, and a molded plastic carrying case

Operating Temperature:32° to 104°F (0° to 40°C)

Dimensions: 6.6″ x 2.8″ x 0.9″ (16.8 x 7.1 x 2.3 cm)

Weight:

: Unit 0.3 lb (0.14 kg)

Kit 0.6 lb (0.27 kg): Unit 0.3 lb (0.14 kg)

Kit 0.6 lb (0.27 kg):

Approvals: FM, CE

Warranty: 1 year

Certifications