Dwyer 475 Digital Handheld Manometer
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.
Related products
-
Dwyer 490A Hydronic Differential Pressure Manometer
DwyerOmegaDwyer 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.
Download PDF Read more -
Dwyer 478A Single Pressure Differential Manometer
DwyerOmegaThe Dwyer 478A Single Pressure Differential Manometer is a handheld digital instrument for measuring positive, negative, or differential pressure. It features ±1.5% full-scale accuracy, one-button auto-zero, selectable pressure units, and automatic power-off for efficient field operation.
Download PDF Read more -
Dwyer 477B Handheld Digital Manometer
DwyerOmegaThe Dwyer Series 477B Handheld Digital Manometer delivers precise pressure measurement with ±0.10% full-scale accuracy. It features a backlit display, memory for 40 readings, selectable pressure units, and overpressure alarms for safe and reliable field operation.
Download PDF Read more


