
Dwyer Minihelic II Differential Pressure Gauge
The Dwyer Minihelic II Differential Pressure Gauge delivers accurate differential pressure measurement in a compact, rugged design. Ideal for OEM panels and HVAC systems, it offers ±5% accuracy, 30 psig pressure tolerance, and easy servicing for long-term reliability in tight installations.
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- Description
Overview of Dwyer Minihelic II Differential Pressure Gauge
Engineered for space-limited applications, the Minihelic II combines durability, accuracy, and serviceability in one compact gauge. Its glass-filled nylon housing and polycarbonate lens withstand vibration and high pressure, while the clear dial ensures easy readability. With ±5% accuracy, it’s an ideal solution for filter monitoring and general HVAC diagnostics.
Compact Design, Big Capability
As Dwyer’s smallest differential pressure gauge, the Minihelic II installs easily into tight spaces, control panels, and OEM equipment. Despite its size, it features a large, high-visibility dial that enables quick system checks—making it ideal for filter monitoring, airflow indicators, and low-pressure applications.
Built to Withstand Harsh Conditions
Designed for continuous operation up to 30 psig, the Minihelic II features a rugged glass-filled nylon body and tough polycarbonate lens that resist vibration, impact, and harsh environments. Its sturdy construction makes it suitable for both field installations and permanently mounted equipment.
Easy to Service & Maintain
A removable lens and rear housing allow simple access for recalibration or component replacement, extending service life and minimizing downtime. This user-friendly design ensures maintenance can be performed on-site without specialized tools—making it a cost-effective choice for long-term monitoring.