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Differential pressure transmitters are widely used for flow measurement, level monitoring, filter differential pressure detection, and HVAC system control. They are also applied in chemical processing, water treatment, oil and gas, power plants, and industrial automation for monitoring pressure differences across pipelines and equipment.
A differential pressure transmitter measures the pressure difference before and after a restriction in a pipeline. Based on Bernoulli’s principle, the flow rate can be calculated. It is commonly used with orifice plates, Venturi tubes, and nozzles.
Micro differential pressure transmitters are used in very low pressure difference applications such as cleanroom pressure control, medical equipment, wind tunnel testing, furnace draft monitoring, and high-precision gas filtration systems.
The STG18 uses a monocrystalline silicon sensor chip and stainless steel structure, offering high accuracy, strong anti-interference performance, and multiple output options such as 4–20mA and RS485. It is suitable for high-pressure and harsh industrial environments.
Differential pressure transmitters can measure gases, liquids, and oils, as long as the medium does not severely corrode or clog the sensing diaphragm. For viscous or particle-containing media, specialized models should be selected.
Selection depends on range, accuracy, output signal type, medium characteristics, and installation conditions. For example, STG26 is suitable for micro pressure applications, while STG18 or STG51 are better for high-pressure or complex industrial environments.
Our engineering team will help you select the right product based on your application requirements.
