Dwyer USA Model 2060 Magnehelic Gage Range 0-60 Inch WC
Introduction
Dial differential pressure gauges measure the difference in pressure between two points in a system and display the measurement on an analog dial display. Users can connect gauges with integral switches to a control system to respond when the measured pressure rises or falls below a set point. Gauges are available for use in low-, medium-, and high-pressure systems.
Specification
| Connection | 1/8 NPT |
| Weight | 0.55kg |
| Temperature Limits | 20 to 140°F |
| Accuracy | ±2% of FS |
| Size | 114.3*139.7mm |
Working principle
Based on the sensing element using two identical stiffness of the bellows, therefore under the same measured medium forced it to produce the same focus respectively on the legs, because of the spring leaf waiting for a moment on both sides do not produce the deflection, stent is still in the original position, the gear transmission mechanism is not action,
make the pointer still refers to the zero When applying different pressure (general high pressure end is higher than low pressure end), the force of two bellows acting on the movable bracket is not equal, so that the corresponding displacement is produced respectively, and drive the gear transmission mechanism to drive and to enlarge, indicating the differential pressure between the two after the pointer is deflect.
Performance characteristic
• Easy to read gage through undistorted plastic face permits viewing from far away
• Patented design provides quick response to pressure changes means no delay in assessing critical situations
• Durable and rugged housing and high-quality components combine to provide long service life and minimized down-time
• High accuracy option is twice as accurate as the standard Magnehelic® gage
Construction
Wetted Materials: Consult factory.
Housing: Die cast aluminum case and bezel, with acrylic cover. Exterior finish is coated gray to withstand 168 hour salt spray corrosion test.
Accuracy: ±2% (-HA model ±1) of FS (±3% (-HA ±1.5%) on -0, -100PA, -125PA, -10MM and ±4% (-HA ±2%) on -00, -60PA, -6MM ranges), throughout range at 70°F
(21.1°C).
Pressure Limits: -20 in Hg to 15 psig (-0.677 to 1.034 bar); MP option: 35 psig (2.41 bar); HP option: 80 psig (5.52 bar).
Enclosure Rating: IP67.
Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only.u
Temperature Limits: 20 to 140°F* (-6.67 to 60°C). -20°F (-28°C) with low temperature option.
Size: 4˝ (101.6 mm) diameter dial face.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Process Connections: 1/8˝ female NPT duplicate high and low pressure taps - one pair side and one pair back.
Weight: 1 lb 2 oz (510 g), MP & HP 2 lb 2 oz (963 g).
Standard Accessories: Two 1/8˝ NPT plugs for duplicate pressure taps, two 1/8˝ pipe thread to rubber tubing adaptor, and three flush mounting adapters with
screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP gage accessories.)
Application areas:
• Filter monitoring
• Air velocity with Dwyer pitot tube
• Blower vacuum monitoring
• Fan pressure indication
• Duct, room or building pressures
• Clean room positive pressure indication
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