Dwyer

AT-2000 ATEX Approved 2000 Magnehelic Differential Pressure Gage

Indicate positive, negative or differential pressures and is accurate within 2%, high impact strength and high temperature rated

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AT 2000 ATEX Approved 2000 Magnehelic Differential Pressure Gage 02380

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%.

Important notes for installation:
• Cables must be fitted through 1/2" NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
• Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating.
• Open cover only after de-energizing instrument.


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

• 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
• Increased response time at low pressures with LD port configuration
ServiceAir and non-combustible, compatible gases
Wetted MaterialsConsult factory
Magnehelic® HousingDie 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 inHg - 15 PSIG (-0.677 Bar - 1.034 Bar);
MP option; 35 PSIG (2.41 Bar),
HP option; 80 PSIG (5.52 Bar)
OverpressureRelief plug opens at approximately 25 PSIG (1.72 Bar), standard gages only. See overpressure protection note on Magnehelic® Gage catalog page
Temperature Limits20°F - 140°F (-6.67°C - 60°C);
Low temperature option: -20°F (-28.8°C);
Case: -76°F - 140°F (-60°C - 60°C)
(Note: Product temperature limits are less than case limits)
Mounting OrientationDiaphragm in vertical position
Enclosure RatingIP66. IP65 with option OPV, overpressure relief valve
Housing MaterialAluminum
FinishingTexture epoxy coat RAL7038
Pressure Connections1/8 in NPT female brass (SS optional). In presence of acetylene it is necessary to use SS
Weight8.6 lb (3.9 kg)
ATEX Approved Product from Comhas with ECNBVI 14ATEX0072
Agency ApprovalsCE 1370 II2 GD Ex d IIC Gb T6; -60°C ≤ Ta ≤ 60°C Ex tb IIIC Db T 85°C

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

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