A2 Differential Pressure Gauge
FEATURE
- Magnet-helix indicating mechanism ideal for low DP measurement
- A wide selection of ranges from 0Pa to 30Pa at up to 30KPa
- Accuracy 2% of FS
- Inertia-free, drift-free pointer indication
- OEM solutions available
Indicating Mechanism
When pressure is applied to both sides of the diaphragm in operation, any difference in pressure causes the diaphragm, the spring that the diaphragm is linked to, and the magnet attached to the spring to move. The movement of the magnet forces the magnetic helix to turn in order to maintain the gap, and the pointer fixed to the helix turns with it.
Applications
The series A2 DP gauges are designed to measure positive, negative, or differential pressure of low air and non-corrosive gases with a full span accuracy of 2% at a competitive price. They are widely used for filter condition checks, HVAC control, and the measurement of fan and blower pressures, air velocity, and pressure drop across orifice plates applications, as well as other applications in the pharmaceutical and semiconductor manufacturing industry.
Specifications
Service: Air and non-combustible, compatible gases
Ranges: See Range Selection Chart
Accuracy: ± 2% of full span at 21℃ (3% on A2-0.50IN, A2/Z-0.5IN, A2-10MM,A2-100Pa, A2-125Pa and ± 4% on A2-0.25IN, A2-6MM, A2-60Pa ranges)
Ambient Temperature: -7 ~ 60℃
Pressure Limit: -68 ~ 100KPa
Overpressure: Relief plug opens at approximately 15Psig (100KPa)
Process Connections: 1/8″ female NPT duplicate high and low pressure taps: one pair side and one pair back
Case and Bezel Material: Die cast aluminum
Weight: 460g
Dial Size: 4″ Diameter
Mounting Position: Vertical
Standard Accessories: Two 1/8″ NPT plugs for duplicate pressure taps, two 1/8″ pipe thread to rubber tubing adapter, and three flush mounting adapters with screws
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