The Series 478A Dwyer
Manometer can be used to measure positive,
negative, or differential pressures. The unit features selectable
units, auto zero, hold and a Min/Max function. Press the Hold key
to freeze the current pressure measurement on the display. The 478A
manometer includes a zeroing button to null out any minor pressure
differences.
Features of
Dwyer 478A Digital Manometer Pressure Gauge
-
Measure Positive and Negative
Pressures.
-
One-Button Auto-Zero Function.
-
Auto Power Off.
-
Large, Easy-to-Read Display.
-
Extruded Aluminum Case.
-
Instant Selection from up to Eight
English/Metric Units.
Specifications of the Dwyer 478A Differential
Pressure Gage
-
Service: Air and compatible
gases.
-
Wetted Materials: Consult
factory.
-
Accuracy: ±1.5% F.S. @ 72°F
(22.2°C). Includes linearity and repeatability.
-
Pressure Hysteresis: ±0.1% of
F.S.
-
Pressure Limits: 5 psig (.34
bar).
-
Temperature Limits: 0 to
140°F (-17.8 to 60°C).
-
Compensated Temperature
Limits: 32 to 104°F (0 to 40°C).
-
Thermal Effect: 0.05%
F.S./°F.
-
Display: 4 digit LCD (.425"H
x .234"W digits).
-
Power Requirements: 9V
alkaline battery. Battery included but not connected.
-
Process Connections: Barbed
connection for use with 3/16" or 1/4" I.D. tubing.
-
Weight: 10.8 oz (306
g).
-
Agency Approvals: CE.
-
Warranty 1
year
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