Pressure Gages

Pressure gages can indicate positive, negative or differential pressures and are accurate within 2%. They can also be purchased with a flame-proof ATEX enclosure.

Series AT22000 ATEX/IECEx Approved Series 2000 Magnehelic® Differential Pressure Gage

Flame-Proof Enclosure, Accurate within 2%

The popular Series AT22000 Magnehelic® Differential Pressure Gage is now available in a flame-proof enclosure with the new ATEX/IECEx approved AT22000 Series. This gage can indicate positive, negative or differential pressures and is accurate within 2%.

• Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.

Please see Series 2000 for non-ATEX/IECEx approved.

Product Applications

Fan and blower pressures
Filter resistance
Air velocity
Furnace draft
Liquid levels with bubbler systems
Pressure in fluid amplifier or fluidic systems

Specifications

Service:: Air and non-combustible, compatible gases.
Wetted Materials:: Consult factory.
Magnehelic® Housing:: Die cast aluminum case & bezel with acrylic cover; Exterior finish is coated gray to withstand 168 hour salt spray corrosion test.
Accuracy:: ±2% of FS (±3% on -0, -100PA, -125PA, -10MM and ±4% on -00, -60PA, -6MM ranges), throughout range at 70°F (21.1°C).
Pressure Limits:: -20 in Hg to 15 psig (-0.677 bar to 1.034 bar); MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
Overpressure:: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See overpressure protection note on Magnehelic® Gage catalog page.
Temperature Limits:: 20 to 140°F (-6.67 to 60°C); Low temperature option: -20°F (-28.8°C); (Note: Product temperature limits are less than case limits).
Mounting Orientation:: Diaphragm in vertical position.
Enclosure Rating:: IP66. IP65 with option OPV, overpressure relief valve.
Housing material:: Aluminum.
Finishing:: Texture epoxy coat RAL7038.
Pressure Connections:: 1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
Weight:: 8.6 lb (3.9 kg).
ATEX Certificate:: BVI 14ATEX0072.
Agency Approvals:: ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db