Dwyer Instruments 2300-0 Magnehelic Differential Pressure Gauge 0.25-0-0.25 Inch W.C.

The Dwyer Instruments 2300-0 Magnehelic Differential Pressure Gauge is a precision instrument designed for measuring extremely low positive, negative, or differential pressures in HVAC, clean room, and industrial applications. This highly sensitive gauge features a measurement range of 0.25-0-0.25 inches of water column (w.c.), making it ideal for monitoring filter conditions, air flow, furnace draft, and other low-pressure measurements.

Key Features:

• Ultra-low pressure range: 0.25" to -0.25" w.c. for sensitive applications
• Magnehelic diaphragm design eliminates the need for liquids, making it safer and more reliable
• Self-zeroing mechanism ensures accurate readings over time
• Durable construction with corrosion-resistant materials
• Easy-to-read dial with clear graduations for precise measurement
• Two pressure ports accommodate various installation configurations
• No maintenance or calibration required under normal operating conditions

The Magnehelic gauge has become an industry standard for differential pressure measurement due to its accuracy, reliability, and ease of use. The frictionless Magnehelic movement provides fast response and stable readings, while the rugged aluminum case ensures long-term durability in demanding environments. Ideal for filter monitoring, clean room pressure verification, duct pressure measurement, and precise low-pressure applications across HVAC, medical, pharmaceutical, and industrial facilities.