The popular SERIES AT22000 Magnehelic® Differential Pressure Gage is now available in a flame-proof ATEX enclosure with the new ATEX 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.

Approvals:
• ATEX Certificate
• IECEx Certificate

Features:
• ATEX housing provides all the capabilities and value of the Magnehelic® in a flame & explosion proof enclosure
• Quick response to pressure changes means no delay in assessing critical situations
• Durable and rugged housing and high-quality components combined provides long-service life and minimized down-time
• High impact strength and high temperature rated for applications where hazardous environments exist

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. (Natural Gas option available.)
Note:	May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.
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% 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 Catalog page.
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.
Enclosure Rating:	IP66. IP65 with option OPV, overpressure relief valve.
Housing material:	Aluminum.
Finishing:	Texture epoxy coat RAL7038.
Process Connections:	1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
Weight:	8.6 lb (3.9 kg).
ATEX Approved Product from Comhas with ECN:	BVI 14ATEX0072.
Agency Approvals:	CE 1370 II2 GD Ex d IIC Gb T6; -60°C ≤ Ta ≤ +60°C Ex tb IIIC Db T 85°C.