The 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.
Introducing the Dwyer478A Single Pressure Differential Manometer. This handheld digital manometer measures positive, negative, and differential pressure with reliable ±1.5% full-scale accuracy.
The rugged extruded aluminium case protects the instrument in demanding environments. A one-button auto-zero function allows quick calibration. Users can instantly select from nine English or metric pressure units for flexible measurement.
The automatic power-off feature helps extend battery life during field use. Technicians often use the Dwyer 478A to verify field instrumentation, troubleshoot pressure systems, and adjust fuel mixtures on combustion equipment.
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.
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 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.