The Labmart HT-1890 Digital Manometer is a portable differential pressure measuring instrument designed for accurate measurement of air and gas pressure in laboratory, HVAC, ventilation and industrial applications. It features multiple selectable pressure units, a clear LCD, data hold, backlight and convenient handheld operation.

Product Overview

The HT-1890 Digital Manometer is designed for measuring differential and gauge pressure in air and compatible non-corrosive gas applications. Its compact handheld construction makes it convenient for technicians, engineers and laboratory users performing pressure checks, system diagnostics and routine maintenance.

The instrument supports multiple pressure units, allowing readings to be displayed in the unit appropriate to the application. Functions such as data hold, maximum/minimum recording, backlight and automatic power-off support convenient field operation.

Key Features and Benefits

• Digital Differential Pressure Measurement – Provides direct electronic pressure readings for system inspection and troubleshooting.
• Multiple Pressure Units – Allows users to select an appropriate engineering unit for different applications.
• Portable Handheld Design – Easy to carry between measurement locations.
• Data Hold Function – Retains the displayed reading for convenient recording.
• MAX/MIN Function – Helps review extreme measured values during testing.
• Backlit LCD – Improves readability in dim working environments.
• Auto Power-Off – Helps conserve battery power.
• Low-Battery Indication – Alerts the operator when battery power is running low.
• Pressure-Zero Function – Allows the instrument to be zeroed before measurement.

4. Technical Specifications

5. Applications

• HVAC pressure testing
• Air-conditioning system inspection
• Ventilation-system testing
• Air duct pressure measurement
• Filter pressure-drop monitoring
• Pneumatic-system troubleshooting
• Laboratory pressure measurement
• Cleanroom pressure checks
• Industrial equipment maintenance
• Air-handling system diagnostics
• Pressure-system commissioning and servicing

6. Suitable For

• HVAC technicians
• Maintenance engineers
• Facility-management teams
• Laboratory technicians
• Industrial service engineers
• Pneumatic-system technicians
• Cleanroom maintenance teams
• HVAC contractors
• Research laboratories
• Engineering and technical institutes

7. Product Benefits

• Compact and portable – Suitable for measurements across multiple locations.
• Digital pressure display – Provides easy-to-read electronic measurements.
• High-resolution measurement – 0.001 PSI resolution supports detailed low-pressure measurements.
• Fast response – Approximately 0.5-second response facilitates efficient troubleshooting.
• Convenient data capture – Data-hold and MAX/MIN functions assist with recording and reviewing readings.
• Improved visibility – Backlit LCD supports use in lower-light environments.
• Battery powered – Suitable for field work without requiring mains power.