Description
The dual push pads on the front panel control the on/off, auto zero, and pressure unit selection, allowing for simple operation with no set up needed. When used with a Dwyer® Pitot tube, the Series 475 can also be used as an air velocity gage.
- Service: Air and compatible combustible gases.
- Accuracy: ±0.5% FS, 60 to 78°F (15.6 to 25.6°C); ±1.5% FS from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C).
- Pressure Hysteresis:±0.1% of FS.
- Pressure Limits: See catalog page.
- Temperature Limits: 0 to 140°F (-17.8 to 60°C).
- Compensated Temperature Limits:32 to 104°F (0 to 40°C).
- Storage Temperature Limits:-4 to 176°F (-20 to 80°C).Display:0.42" (10.6 mm) 4-digit LCD.
- Resolution: See Ordering page.
- Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
- Process Connections: Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing for 475-7 & 475-8 only.
- Weight:10.8 oz. (306 g).
- Compliance: CE, FM approved to Class I, Div 2, Groups A, B, C, D, T4 Ta = 70°C.
OPTIONS
- Air Velocity (-AV)
Kit includes: Model 475 Digital Manometer, Pitot Tube, two No. A-303 static pressure tips with magnetic mounting, 3/16" I.D. rubber tubing,
No. A-397 step drill for 3/16" - 1/2" holes in 1/16" increments, No. A-532 AV slide chart, 9 volt battery, and fitted polyethylene case. - Examples: 475-1-AV; 475-000-AV
| Model | Imperial Range | Metrice range | Maximum pressure |
| 475-000-FM | 0 to 1.000 in w.c. | .2491 kPa | 5 psig |
| 475-00-FM | 0 to 4.000 in w.c. | 0.996 kPa | 5 psig |
| 475-0-FM | 0 to 10.00 in w.c. | 2.491 kPa | 5 psig |
| 475-1-FM | 0 to 20.00 in w.c. | 4.982 kPa | 10 psig |
| 475-2-FM | 0 to 40.00 in w.c. | 9.96 kPa | 10 psig |
| 475-3-FM | 0 to 200.0 in w.c. | 49.82 kPa | 30 psig |
| 475-4-FM | 0 to 10.00 psi | .6895 bar | 30 psig |
| 475-5-FM | 0 to 20.00 psi | 1.379 bar | 60 psig |
| 475-6-FM | 0 to 30.00 psi | 2.069 bar | 60 psig |
| 475-7-FM | 0 to 100.0 psi | 6.895 bar | 150 psig |
| 475-8-FM | 0 to 150.0 psi | 10.34 bar | 200 psig |
