Dwyer 477B Handheld Digital Manometer
The 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.
The Dwyer Series 477B Handheld Digital Manometer provides accurate and reliable pressure measurement for field and laboratory applications. This digital manometer delivers ±0.10% full-scale accuracy and supports seven selectable English and metric pressure units.
The handheld instrument is ideal for laboratory calibration, HVAC testing, and air velocity or airflow measurement in commercial buildings. Its built-in memory stores up to 40 readings for quick review and documentation.
A bright backlit display improves visibility in low-light environments. Visual and audible overpressure alarms increase safety during operation. The rugged aluminium housing protects the instrument in demanding industrial conditions.
The Series 477B combines portability, precision, and ease of use for everyday pressure measurement tasks. For full specifications and operating details, download the Dwyer Series 477B Handheld Digital Manometer datasheet (PDF). You can also explore our range of pressure measurement instruments.


