SERIES 2000

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Dwyer Series 2000 Magnehelic® | Low Differential Pressure Gage

DWYER SERIES 2000 MAGNEHELIC® | LOW DIFFERENTIAL PRESSURE GAGE

The Series 2000 Magnehelic®  is a versatile, industry-standard analog gage that provides quick, high-precision monitoring of low differential air or non-corrosive gas pressures without the need for an external power source.

  • Easy to read gage through undistorted plastic face
  • Patented design provides quick response to pressure changes
  • Durable and rugged housing and high-quality components for long service life
  • Bezel provides flange for flush mounting in panel.
DWYER SERIES 2000 MAGNEHELIC® | LOW DIFFERENTIAL PRESSURE GAGE
The Dwyer Series 2000 Magnehelic® Differential Pressure Gage utilizes a simple, frictionless magnetic movement that translates small pressure changes into precise mechanical readings. Designed with a rugged die-cast aluminum housing and a shatter-resistant acrylic cover, it is rated IP67 for superior protection against dust and moisture. This mechanical gage is immune to shock, vibration, and overpressures, ensuring long-term reliability in demanding environments. With no manometer fluid to evaporate or freeze, it remains a maintenance-free solution for measuring positive, negative (vacuum), or differential pressures.

 

PRODUCT USES:

  • Filter Monitoring: Measuring pressure drop across HVAC filters to determine replacement timing.
  • Clean Rooms: Monitoring positive room pressure to prevent contamination.
  • HVAC Systems: Measuring fan and blower pressures, duct pressures, and air velocity when used with a Pitot tube.
  • Process Automation: Monitoring furnace draft and pressure drop across orifice plates.
  • Medical Equipment: Tracking blood and respiratory pressures in specialized healthcare units.

 

Technical Sheets

Instruction Manual

Catalog Page

Specifications

DWYER SERIES 2000 MAGNEHELIC® | LOW DIFFERENTIAL PRESSURE GAGE – KEY SPECIFICATIONS

  • Accuracy: ±2% of full scale (±1% for High Accuracy “-HA” models) at 70°F.
  • Pressure Limits: -20″ Hg to 15 psig (-0.677 to 1.034 bar); Medium Pressure (MP) to 35 psig; High Pressure (HP) to 80 psig.
  • Enclosure Rating: IP67 (Weatherproof).
  • Temperature Limits: 20 to 140°F (-6.67 to 60°C).
  • Process Connections: Dual 1/8″ female NPT taps (side and back pairs).
  • Housing Material: Die-cast aluminum with a gray coated finish resistant to salt spray.
  • Size: 4″ (101.6 mm) diameter dial face.
  • Mounting: Vertical orientation (standard); surface or flush mountable with included hardware.

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