477***-4 477***-000/00/0/1 差压计 Dwyer压差计

Service: Air and compatible gases.
Wetted Materials: C***ult factory.
Accuracy: &plu***n;0.5% FS, 60 to 78°F (15.6 to 25.6°C); &plu***n;1.5% FS from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40.0°C).
Pressure Hysteresis: &plu***n;0.1% of full scale.
Pressure Limits: See chart on 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 chart on catalog page.
Units of Pressure: in w.c., ft. w.c., in Hg, psi, oz/in², mm w.c., cm w.c., mm Hg, mbar, Pa, kPa, hPa.
Units of Velocity: fpm, fps, mph, m/h, m/s, k/h, knot.
Units of Flow: cfm, m3/h, m3/s.
Power Requirements: 9 V Alkaline battery, installed non-functional, user replaceable.
Weight: 10.2 oz (289 g).
Process Connecti***: Two barbed connecti*** for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) ID tubing. Two compression fittings for use with 1/8" (3.18 mm) ID x 1/4" (6.35 mm) OD tubing for 477***-7 and 477***-8 only.
Agency Approvals: CE.
477***-000
477***-00
477***-0
477***-1
477***-2
477***-3
477***-4
477***-5
477***-6
477***-7
477***-8