Dwyer 478A-0 Series 478 Digital Differential Manometer

Dwyer Instruments - Series 478: 478A-0 Digital Differential Manometer

Case Sold Separately

• 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

   The Series 478A 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.

Specifications
Service: Air and compatible gases.
Wetted Materials: Call us at (888) 886-8185.
Accuracy: ±1.5% F.S. @ 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis: ±0.1% of F.S.
Pressure Range: English: -4.00 to 4.00" w.c., Metric 0.996 kPa.
Pressure Limits: 5 psig (.74 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.

Click here for Dwyer 478A-1 Data Sheet


Below are other pressure ranges available for Series 478A Digital Manometer:

Modle Number	Range in w.c.	Available Pressure Units						Resolution in w.c.	Maximum Pressure
		psi	in Hg	kPa	in w.c.	mmHg	mbar
478A-0	-4.0 to 4.0	.1445	.294	.996	4.00	7.47	9.96	.01	5 psig
478A-1	-60.0 to 60.0	2.168	4.41	14.95	60.0	112.1	149.5	.1	5 psig