Dwyer Series AT2605 Differential Pressure Transmitter

SKU: Series AT2605 Category:

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The ATEX/IECEx approved SERIES AT2605 Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure in hazardous locations. The easily read dial gage is complimented by the two-wire, 4 to 20 mA control signal utilizing the time-proven Dwyer® Magnehelic® gage mechanical design and Series 600 transmitter technology. The two-wire design simplifies any 4 to 20 mA control loop powered by a 10 to 35 VDC supply. Flame-proof enclosures are available in aluminum and can include a glass window for viewing process pressure on gage face. 

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 keep IP66 rating (IP65 with option OPV, overpressure relief valve). 
• 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.

Please see SERIES 605 for non-ATEX/IECEx approved.

California Residents:  Click Here for Proposition 65 WARNING.

Product Applications

  • Monitor pressures in ducts, rooms, or total building pressures
  • Filter monitoring
  • Local indication of clean room pressures with process signal sent to control room
  • Hazardous area pressure measurement and transmitter

GAGE SPECIFICATIONS

Service : Air and non-combustible, compatible gases.

Wetted Materials : Consult factory.

Accuracy : See 605 ordering page.

Pressure Limits : See 605 ordering page.

Temperature Limits : 20 to 120°F (-6.67 to 48.9°C); (Note: Product temperature limits differ from case).Size:4″ (101.6 mm) dial face.

TRANSMITTER SPECIFICATIONS

Accuracy : See 605 ordering page (includes linearity, hysteresis, repeatability).

Compensated Temperature Range : 32 to 120°F (0 to 48.9°C).

Thermal Effect : ±0.025% FS/°F (0.045% FS/°C).

Stability : ±1% FS/year.

Power Requirements : 10 to 35 VDC (2-wire).

Output Signal : 4 to 20 mA.

Zero and Span Adjustments : Protected potentiometers on 605 face. Can access those by opening case. Allowed only in safe zone.

Loop Resistance : DC: 0 to 1250 Ω max.

Current Consumption : DC: 38 mA max.

Electrical Connections : Screw terminal block.

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.

Electrical Connections : Two 1/2″ FNPT. Cable gland not included.

Weight : 12.6 lb (5.7 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

  • ATEX housing provides all the capabilities and value of the Magnehelic® 605 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 longservice life and minimized down-time
  • High impact strength and high temperature rated for applications where hazardous environments exist

Product Literature

Manual

Catalog Pages

Product Data Sheet

 

 

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