Differential Pressure Gauge, All-metal Media Chamber

Differential Pressure Gauge

A differential pressure gauge is a specialized instrument designed to measure the pressure difference between two points, allowing users to directly read the differential pressure value and monitor system operating conditions in real time. These gauges are especially suitable for applications that require precise monitoring of pressure changes and fluid conditions.

Common applications include filter clogging monitoring, pump operation monitoring, heat exchanger pressure loss measurement, pipeline differential pressure monitoring, duct systems, cleanroom pressure control, and HVAC systems. If you would like to learn more about differential pressure gauge specifications, measuring ranges, connection types, or customized solutions, please share your application requirements with us. SJ Gauge will be glad to help you identify the most suitable solution.

  • Differential Pressure Gauge, All-metal Media Chamber
    Model: PRDC

    Differential Pressure Gauge, All-metal Media Chamber

    • Feature a highly corrosion-resistant all-metal construction and measuring cell protected against tampering
    • Used for pump monitoring and control, filter monitoring and level measurement
    • For gaseous and liquid aggressive media that are not highly viscous or crystallizing, also in aggressive environments
  • Differential Pressure Gauge, Double Diaphragm
    Model: PRHD

    Differential Pressure Gauge, Double Diaphragm

    • High working pressure (static pressure) and high overload safety, selectable ranges up to 30 MPa
    • The use of high-quality stainless steel materials and the robust design are geared to applications in the chemical and process engineering industries
    • Suitable for liquid and gaseous media in aggressive environments
    • Equivalent specifications that closely match the WIKA 732.14
  • Differential Pressure Gauge, Cryogenic Tanks
    Model: PRLD

    Differential Pressure Gauge, Cryogenic Tanks

    • Supports cryotechnology; applicable for measuring low-temperature mediums
    • Oil-free is available for measuring special gases such as flammable and explosive gases
    • Commonly used to measure closed tank truck liquid levels for oil, liquid nitrogen, and other materials; also useful for filter monitoring

    ◼️ Fig.1: Differential pressure gauge model PRLD
    ◼️ Fig.2: With Option valve manifold with working pressure indication

  • Differential Pressure Gauge, Low Differential Pressure
    Model: PRMD

    Differential Pressure Gauge, Low Differential Pressure

    • Measures the small pressure difference between two pressure sources
    • Only suitable for measuring gases, can not measure liquid
    • Used in hospitals, laboratories, factories, gas stations and storage tanks
    • Same specifications as Series 2000 magnehelic®
  • Differential Pressure Gauge, Mini
    Model: PRMDS

    Differential Pressure Gauge, Mini

    • Small size with simple construction
    • Removable lens and rear-housing
    • Used in air conditioners, medical respiratory equipment and filters
  • Differential Pressure Gauge, Duplex
    Model: PRDD

    Differential Pressure Gauge, Duplex

    • The pressure gauges are equipped with two independently working bourdon tube measuring systems
    • LED lighting for operating voltages of DC24V or AC110V
    • Typically used in filters and rail braking systems