Dwyer Series 477B Handheld Digital Manometer

Dwyer Series 477B Handheld Digital Manometer

Product Introduction

The Dwyer Series 477B Handheld Digital Manometer sets a new standard for portable pressure measurement, offering ±0.1% full-scale accuracy across a range of pressure spans. Battery-powered and designed for field use, this manometer measures positive, negative, or differential pressures in air and compatible gases, making it ideal for HVAC commissioning, industrial maintenance, and precision testing.

Product Features

Exceptional Accuracy:

±0.1% FS at 15.6–25.6°C (60–78°F), ensuring reliable readings in critical applications.

Versatile Measurement Modes:

Positive, negative, and differential pressure measurement with seven selectable units (in. w.c., psi, kPa, mbar, etc.).

Data Management:

Memory storage for 40 readings, hold function, and backlit LCD for low-light environments.

Safety Features:

Visual and audible overpressure alarms to prevent damage during high-pressure scenarios.

Technical Specifications