digital manometer gauge

Digital Manometer Gas Pressure Tester Fieldpiece Motor Tester for HVAC Pressure Gauges Digital Pressure Gauge.

Model: HP-189A

Product Features

Auto-Zero & Calibration – Ensures consistent accuracy with automatic adjustment.
Multi-Gas Compatibility – Measures air, natural gas, propane, CO2, and more.
Impact-Resistant Housing – Durable ABS casing with IP54 dust/moisture protection.
Dual-Port Pressure Sensing – Simultaneous measurement of positive and negative pressure.
Data Hold & Backlit Display – Freezes readings and provides visibility in dark environments.

Product Description

This professional digital manometer offers precise pressure measurement for HVAC systems, gas pipelines, and industrial equipment. Built with a rugged ABS housing and IP54-rated protection,

it withstands harsh job site conditions. The dual-port design allows for differential pressure analysis, while the auto-zero function guarantees reliable readings. With support for multiple units

(psi, kPa, bar, inHg) and a compact, portable build, it’s ideal for technicians, engineers, and maintenance professionals.

Specifications

Parameter	Details
Product name	digital manometers
Model	HP-189A
Measurement Range	-10 to 100 psi (expandable to 300 psi)
Accuracy	±0.3% full scale
Operating Temperature	-10°C to 50°C (14°F to 122°F)
Power Supply	2x AAA batteries (40+ hours runtime)
Display Type	Backlit LCD with intuitive menu
Protection Rating	IP54
Material	ABS Plastic + Stainless Steel Ports
Port Size	1/8" NPT fittings

Competitive Advantages

Feature	Our Product	Competitors
Accuracy	±0.3%	Typically ±1%
Portability	Compact, lightweight design	Bulky or non-portable units
Versatility	Dual-port differential measurement	Single-port only
Durability	IP54-rated ABS housing	Basic plastic, no IP rating
User Interface	Backlit LCD + data hold	Basic displays without backlight