Extech HD755 Differential Pressure Manometer, 0.5 psi, 11 Units, USB

Key features

• High-Accuracy Differential Pressure Measurement - Get precise pressure readings up to ±0.5 PSI with confidence. Whether you're testing HVAC systems, troubleshooting airflow, or calibrating equipment, this manometer delivers the reliable accuracy professionals demand.
• Versatile Multi-Unit Display - Switch effortlessly between 11 selectable pressure units including PSI, mbar, inH2O, mmHg, and more. No more manual conversions—just quick, convenient measurements tailored to your application.
• Data Functions That Work Harder for You - Capture critical measurements with built-in Min/Max/Average tracking, plus a Hold function to freeze results on the large LCD screen. Perfect when you need to pause and record without losing accuracy.
• User-Friendly Backlit LCD & Zero Function - A bright, easy-to-read display ensures clarity even in dimly lit environments, while the Zero function eliminates drift so you can always start fresh with accurate baseline measurements.
• Rugged, Portable & Ready for the Job - Designed for HVAC technicians, facility managers, and industrial professionals, the compact HD755 comes complete with hose connections, protective case, and long battery life for dependable use in the field.

Product DescriptionThe Extech HD755 Differential Pressure Manometer is engineered for professionals who need accuracy, versatility, and reliability in one rugged tool. With a measurement range up to ±0.5 PSI (±138.3 mbar) and 11 selectable pressure units, it’s ideal for HVAC system diagnostics, filter testing, cleanroom verification, and industrial process calibration. Designed with the working technician in mind, the HD755 offers Min/Max/Average recording, a Data Hold function, and a Zero feature to eliminate drift—all displayed clearly on a large backlit LCD that ensures visibility even in dark mechanical rooms. Lightweight yet durable, the HD755 includes dual input ports with hoses, a protective carrying case, and long-lasting battery power for all-day field use. Whether you’re balancing airflow, validating environmental systems, or troubleshooting differential pressure issues, the HD755 gives you professional-grade results every time.From the ManufacturerThe Extech HD755 Differential Pressure Manometer- 0.5PSI has a ±0.5 psi range and eleven selectable units of measure. It shows the max, min, avg. recordings and the relative time stamp. The functions included are data h

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