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Dwyer Series 477B Handheld Digital Manometer
$0.00
Manometer, 0.1% Accuracy, Range 0-20"WC
Precise Air Pressure Measurement, ±0.1% F.S. Accuracy
The SERIES 477B Handheld Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges from 0-20 in w.c. up to 100 psi. All models measure either positive, negative or differential pressures with ±0.10% of full scale accuracy. You can select from up to seven common English and metric pressure units so conversions are not necessary. A memory function allows storage of up to 40 readings for later recall and a backlight provides auxiliary lighting for hard-to-see locations. Also standard are a hold feature plus both visual and audible overpressure alarms.
Product Applications
- Lab calibration of other pressure instruments
- Air velocity/air flow measurements in commercial buildings
Features
- Precise 0.1% FS accuracy provides four times better accuracy than most standard manometer/gages
- Aluminum housing protects instrument against damage
- 40 readings in internal memory reduces time to record data
Specifications
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Service: Air and compatible gases. Wetted Parts: Consult factory. Accuracy: ±0.10% of full scale from 60 to 78F° (15.6 to 25.6°C); ±1% of full scale from 32 to 60 and 78 to 104°F (0 to 15 .6 and 25.6 to 40°C). Pressure Hysteresis: ±0.1% of full scale. Pressure Limits: See chart on catalog page. Temperature Limits: 0 to 140°F (-17.8 to 60°C). Storage Temperature Limits: -4 to 176°F (-20 to 80°C). Display: 4-digit LCD (.425" H x .234" W digits). Resolution: See chart on catalog page. Power Requirements: 9 volt alkaline battery. Battery included but not connected. Connections: Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing for 477B-1, 477B-2, 477B-3, 477B-4 and 477B-5 only. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing for 477B-6 and 477B-7 only. Weight: 10.2 oz. (289 g). Agency Approvals: CE.
Datasheet