DWYER – Series AT-605 ATEX/IECEx Approved Magnehelic® Differential Pressure Indicating Transmitter

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Description

Series AT-605 ATEX/IECEx Approved Magnehelic® Differential Pressure Indicating Transmitter

 

Series 605 in Flameproof ATEX/IECEx Enclosure

The Series AT-605 ATEX/IECEx Approved Magnehelic® Differential Pressure Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure in hazardous locations. An easy-to-read dial gage is complimented by the two-wire, 4-20 mA control signal utilizing the time-proven Dwyer® Magnehelic® gage mechanical design and Series 600 transmitter technology. The two-wire design simplifies any 4-20 mA control loop powered by a 10-35 VDC supply. Flameproof enclosures are available in aluminum and can include a glass window for viewing process pressure on the 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 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 areas.

 

Product Applications

  • Monitor duct, room, 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

 

Features

  • ATEX/IECEx housing provides all the capabilities and values of the Series 605 Magnehelic® transmitter in a flame and explosion proof enclosure
  • Quick response to pressure changes means no delay in assessing critical situations
  • Durable and rugged housing and high-quality components combined provide longservice life and minimized downtime
  • High impact strength and high temperature rated for applications where hazardous environments exist
  • Increased response time at low pressures with LD port configuration

 

Specifications

  • GAGE SPECIFICATIONS
  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: Consult factory.
  • Accuracy: See page reference on catalog page.
  • Pressure Limits: See pressure limit chart on catalog 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 page reference on catalog 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.
  • Output Signal: 4-20 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 for versions VS1/VS2/VL1).
  • Housing Material: Aluminum.
  • Finishing: Texture epoxy coat RAL7015.
  • Process Connections: 1/8″ NPT female brass (SS optional).
  • Electrical Connections: Two 1/2″ NPT female. Cable gland not included.
  • Weight: 13.2 lb (6.0 kg).
  • ATEX Certificate: INERIS 21ATEX0033X.
  • IECEx Certificate: IECEx INE 21.0064X.
  • Agency Approvals: ATEX Compliant: CE 0080 EX II 2G Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) II 2D Ex tb IIIC T75 °C Db;
    IECEx Compliant: Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) Ex tb IIIC T75°C Db.

 

 

 

 

 

 

 

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