478A Digital Differential Manometer

$109.95 -- Digital differential pressure electronic zeroing, large display, +/- 1.5% accuracy

Purchase 478A Digital Differential Manometer

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

Order Accessories below:

Purchase 478A Digital Differential Manometer

• Choose Measuring Range:: 478A-0: -4.00 to +4.00 inches water column; 478A-1: -60.00 to +60.00 inches water column

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