Series 477B Handheld Digital Manometer

The Series 477B Handheld Digital Manometer is a versatile and portable instrument designed for accurate measurement of positive, negative, or differential pressure in air and compatible gases. It features a large digital display with backlight, multiple pressure unit options, and an intuitive interface for convenient field operation. Engineered for precision and durability, it is ideal for HVAC technicians, field engineers, and laboratory professionals who require quick, reliable, and repeatable readings. With an accuracy of ±0.10% of full scale, this manometer excels in applications like flow measurement, filter monitoring, duct pressure checks, and equipment calibration. The lightweight and compact design make it an essential tool for field diagnostics and performance verification.

Key Features:

High-accuracy digital pressure measurement (±0.10% full scale).

Large, easy-to-read backlit LCD display for clear visibility in any lighting conditions.

User-selectable pressure units including psi, inH₂O, Pa, mmHg, and more.

Memory storage for up to 40 readings for later reference or data logging.

Rugged, shock-resistant housing suitable for field environments.

Battery-operated for maximum portability and long operating life.

Auto-zero and hold functions for enhanced accuracy and ease of use.

Perfect for HVAC, process control, and calibration laboratories.