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    Digital Differential Pressure Manometer, ±89 kPA

    Digital differential pressure manometer with a wide measurement range of 89 kPa, this advanced instrument ensures accurate readings for various industrial applications. Its intuitive digital interface and durable design make it the ideal choice for professionals seeking top-notch performance.
    SKU: ATO-DM-89
    30-day Returns
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    Delivery date: 6-12 days

    Digital differential pressure manometer featuring a 89 kPa range, its compact design, coupled with advanced digital technology, guarantees precise readings, making it an indispensable tool for HVAC technicians, industrial engineers, and laboratory professionals.


    • Model: ATO-QX1208
    • Data Storage: 100 items
    • Measuring Range: ±89.6 kPA
    • Accuracy: ±0.3%FS
    • Repeatability: ±0.2%FS
    • Response Time: 0.5S
    • Pressure Connection: 1/8” (3.18mm) quick connector
    • Working Temperature and Humidity: 0°C ~50°C, 10% ~ 80% RH
    • Storage Temperature and Humidity: -10°C ~ 60°C 10% ~ 90% RH
    • Over Range Prompt: Err0 or Err1
    • Low Battery Indication: ≤6.8 display
    • Auto Shutdown: Approx. 15 minutes after no operation
    • Room Temperature Measurement: °C/° F units selectable
    • Battery: 9V Battery
    • Weight: 120g
    • Dimension:138.5x63. 5x27mm


    • The digital manometer has 12 unit conversion modes, including bar, mbar, kPA, kgf/cm2, mmHg, cmH2o, ozf/cm2, psi, inHg, inH2o, Pa, ftH2o
    • Differential pressure manometer features a backlit mode, enabling effortless detection even in dark environments
    • Digital manometers offer high levels of accuracy and precision in measuring pressure. 
    • The digital manometer includes a low battery indicator, alerting the user when the battery power is running low to prevent any interruptions during measurements.
    • The manometer offers both differential modes, enabling the measurement of pressure differences, and record mode for storing and tracking pressure data over time.

    Dimension (Unit: mm)

    Differential pressure manometer dimension


    The Digital differential pressure manometer can measure differential pressure/positive pressure/negative pressure and is equipped with a simple hose connection device, suitable for measurement and on-site verification in ventilation and air conditioning systems, as well as troubleshooting in clean rooms or any gas pressure systems. The clear reading of the Digital manometer makes it a valuable tool forHVAC technicians, operational maintenance engineers, and scientific researchers.

    Digital manometer applications

    Tips: What are the different types of differential pressure manometers available?

    • U-Tube Manometer: A U-tube manometer consists of a U-shaped glass or transparent tube partially filled with a liquid, such as mercury or water. The height difference between the two liquid columns in the U-tube is directly proportional to the differential pressure being measured.
    • Inclined Manometer: In an inclined manometer, the U-tube is bent at an angle to make it more compact and easier to read. This design is often used when space is limited.
    • Well-Type Manometer: A well-type manometer involves a U-tube that is connected to a well or reservoir. The fluid level in the well responds to changes in pressure, allowing for precise measurements.
    • Bourdon Tube Manometer: Bourdon tube manometers use a curved tube made of metal that straightens as the pressure difference increases. The deflection of the Bourdon tube is proportional to the pressure difference.
    • Bellows Manometer: Bellows manometers use flexible, sealed metal bellows that expand or contract with changes in pressure difference. The motion of the bellows is measured to determine the pressure variation.
    • Piston Manometer: A piston manometer employs a moveable piston within a cylindrical chamber. The piston's displacement due to pressure difference is used to determine the differential pressure.
    • Diaphragm Manometer: Diaphragm manometers use a flexible diaphragm that deflects in response to pressure differences. The displacement of the diaphragm is converted into a pressure reading.
    • Electronic Differential Pressure Manometer: Electronic manometers use pressure transducers and sensors to measure differential pressure. They provide digital readouts and may offer additional features, such as data logging and remote monitoring.
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