2000 SERIES -MAGNEHELIC

2000 SERIES -MAGNEHELIC – Low Differential Pressure Gauge – No Power Needed, IP67

The Dwyer Series 2000 Magnehelic® is a widely used, battery less, low differential pressure gauge known for its robust die-cast aluminum housing and an IP67 enclosure rating, making it highly resistant to dust and water immersion. It uses a frictionless magnetic linkage to indicate positive, negative, or differential pressures of air and compatible gases

2000 SERIES -MAGNEHELIC

The Series 2000 Magnehelic® Differential Pressure Gage offers an easy-to-read, reliable solution for monitoring low differential air and non-corrosive gas pressures—without requiring any power source. Its precision diaphragm and magnetic movement system translate small pressure differences into consistent mechanical readings, delivering dependable performance across a wide range of HVAC and process applications.

  • 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.

Encased in a durable die-cast aluminum housing and sealed to an IP67 rating, the Magnehelic® gage stands up to dusty or wet environments, making it suitable for both indoor and outdoor installations. Its clear, full-scale analog display allows for fast pressure assessment at a glance, with overpressure protection built in for added safety.

Widely trusted in clean rooms, air handling systems, filter monitoring, and industrial process control, the Series 2000 balances rugged construction with ease of use. With no need for electrical power or complex setup, it remains a go-to pressure monitoring solution for dependable, maintenance-free performance.

Technical Sheets

Instruction Manual

Catalog Page

Specifications

2000 SERIES -MAGNEHELIC – Low Differential Pressure Gauge

The gauge is built for durability with a magnetic movement that resists shock and vibration. It operates without electrical power, reducing maintenance. 

  • Service: Air and non-combustible, compatible gases
  • Accuracy: ±2% of full scale (FS) for standard models and ±1% of FS for -HA models
  • Dial Size: 4″ (101.6 mm) diameter
  • Enclosure Rating: IP67
  • Pressure Limits: -20 in Hg to 15 psig (-0.677 to 1.034 bar)
  • Temperature Limits: 20 to 140°F (-6.67 to 60°C); with a low-temperature option available
  • Housing: Die-cast aluminum
  • Process Connections: 1/8″ female NPT
  • Weight: 1 lb 2 oz (510 g)

 

 

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