The Dwyer 490A Hydronic Differential Pressure Manometer HKIT includes a high-accuracy handheld meter, seven user-selectable units, and all accessories in a rugged carry case.
The Dwyer 490A Hydronic Differential Pressure Manometer Kit is a portable digital differential pressure manometer designed for hydronic system balancing and pressure testing. It delivers up to ±0.5% full-scale accuracy and supports seven selectable pressure units in both metric and imperial formats.
Digital dampening keeps readings stable, while automatic resolution adjustment improves measurement accuracy. A bright backlit display allows easy reading in low-light environments. The rugged kit includes a hard carry case and all required accessories for field work.
The 490A Hydronic Differential Pressure Manometer Kit stores up to 40 readings and works with liquids compatible with 316L stainless steel components. It is ideal for checking pressure across pumps, balancing hydronic valves, and protecting chillers from freezing conditions. For detailed specifications, download the Dwyer 490A Hydronic Differential Pressure Manometer HKIT datasheet.
The Dwyer Series 475 Digital Handheld Manometer measures positive, negative, or differential pressure in air and natural gases. This intrinsically safe instrument supports HVAC testing, industrial monitoring, and airflow measurement using compatible pitot tubes.
Dwyer 490A Hydronic Differential Pressure Manometer suitable for liquid and gas pressure measurement. It delivers ±0.5% full-scale accuracy and is ideal for hydronic system balancing, HVAC commissioning, and pressure testing applications. Suitable for liquids compatible with 316SS components and designed for reliable performance in demanding industrial environments, including plant maintenance, troubleshooting, and commissioning of heating and cooling systems. Compact and easy to operate, this manometer provides dependable measurements for technicians working on pumps, valves, and hydronic circuits.
The Dwyer 477AV Handheld Digital Manometer measures air velocity and airflow with built-in calculation functions. It features adjustable calibration settings, damping control, and reliable performance for HVAC testing, air balancing, and ventilation inspections.