Description
Product Overview
The Dwyer 2002 Differential Pressure Gauge is engineered to deliver reliable, high‑precision measurement of differential, static, positive and negative pressure across a range of 0 to 2 inches water column (WC). Constructed from a die‑cast aluminum case with a protective acrylic cover, the gauge offers a durable, corrosion‑resistant exterior that meets a 168‑hour salt spray test, ensuring longevity even in demanding industrial settings. The analog dial provides instant visual feedback without the need for external power, making it a versatile solution for a wide variety of air handling and gas monitoring applications. With a full‑scale accuracy of ±2% and a rapid response to pressure changes, the 2002 model is ideal for users who require both speed and precision. The gauge includes two 1/8″ NPT pressure taps, pipe‑thread adapters, and three flush‑mounting options, allowing flexible installation on ducts, filters, or clean‑room enclosures. Its compact 8 × 8 × 4 in package and lightweight 3‑lb design simplify handling and mounting in tight spaces.
![[Product front view showing all components]](https://www.thrustore.store/wp-content/uploads/2026/07/da7e5fc7045c4af6978a6ad8c21d20b0.jpg)
Usage
Designed for HVAC technicians, facility engineers, and laboratory personnel, the 2002 gauge excels in environments where accurate pressure monitoring is critical. It is commonly employed for filter differential pressure monitoring, ensuring filters are replaced before they become a flow restriction. In clean‑room settings, the gauge helps maintain positive pressure differentials that keep contaminants out. The device also supports air velocity measurements when paired with a Pitot tube, fan pressure indication in ventilation systems, and lower vacuum monitoring in processes that require precise vacuum levels. Because the gauge operates without electricity, it can be installed in remote or hazardous locations where power sources are unavailable or undesirable. Its robust construction tolerates vibration and shock, making it suitable for mobile equipment, industrial process lines, and outdoor installations where weather exposure is a concern.
Why Choose Us
Choosing the Dwyer 2002 Differential Pressure Gauge means selecting a product backed by decades of industry expertise and a reputation for quality. Dwyer Instruments is a recognized leader in pressure measurement technology, and each gauge undergoes rigorous calibration and quality‑control procedures before leaving the factory. The aluminum housing not only provides strength but also resists corrosion, extending service life and reducing total cost of ownership. Our gauges are designed for ease of use, featuring a clear, easy‑to‑read dial and intuitive mounting options that reduce installation time. In addition, Dwyer offers comprehensive technical support, calibration services, and a responsive warranty program to ensure that customers receive ongoing value and confidence in their measurement tools.
Key Features
- Instantaneous response to pressure changes for real‑time monitoring
- ±2% full‑scale accuracy ensures reliable data for critical applications
- Rugged die‑cast aluminum case with acrylic cover resists corrosion and impact
- Versatile mounting options include NPT plugs, tubing adapters, and flush‑mount kits
- Dedicated Dwyer technical support and calibration services for peace of mind
FAQ
What pressure range does the 2002 gauge cover?
The gauge measures differential, static, positive and negative pressure from 0 to 2 inches water column (WC), suitable for most HVAC and clean‑room applications.
Can the gauge be used with gases other than air?
Yes, it is calibrated for non‑corrosive gases, making it appropriate for nitrogen, argon, and other inert gases commonly found in industrial processes.
Is any power required for operation?
No external power is needed; the gauge is fully analog, providing a direct visual readout that works in any environment.
What mounting accessories are included?
The package contains two 1/8″ NPT plugs, two pipe‑thread to rubber tubing adapters, and three flush‑mounting adapters with screws, allowing flexible installation on a variety of surfaces.
How does Dwyer support calibration needs?
Dwyer offers calibration services through its network of authorized service centers, ensuring the gauge remains accurate over its lifespan and providing documentation for compliance audits.





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