Electronic Manometer EM152 With 0.3 Percent Full Scale Accuracy Delivers Delta P Readings Up To 60 Inches Water Column For Quick, Pro Grade, Rock Solid, Reliable Positive Negative And Differential Pressure Checks On Furnaces Boilers And Appliances

EM152 Differential Pressure Manometer - single HVAC Delta-P ✔️ 0.3% FS accuracy; 60 in (1524 mm) water column; pos, neg, delta-P

The EM152 is a professional electronic manometer that delivers differential, positive, and negative pressure readings. It is commonly used by HVAC technicians to verify gas pressure, furnace draft, and venting in furnaces, boilers, and appliances in both residential and light commercial settings.

✅ 0.3% FS accuracy across 60 in water column (1524 mm)
✅ 11 selectable units with auto-ranging: inH2O, PSI, Bar, mBar, kPa, inHg, mmHg, oz/in2, FtH2O, cmH2O, kg/cm2
✅ Dual-port differential testing; read live delta-P or vent one port
✅ Record, hold, and zero with backlit LCD for dark spaces
✅ Hands-free use via built-in magnet on protective rubber boot; runs on a 9V battery with auto power-off
✅ Includes two 18 in silicone hoses (457 mm) and ISO 17025-compliant, NIST-traceable calibration

💡 What is an HVAC differential pressure manometer used for in furnace and boiler installations?

It helps technicians verify burner and venting conditions to keep systems safe and efficient.

- monitors delta-P across burners and ducts to verify proper airflow - reads positive, negative, and differential pressure for furnace and appliance checks - offers auto-ranging across 11 units and NIST-traceable ISO 17025 calibration ✝️