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How to Select and Size Thermowell?

Thermowell is a closed-end tube fitting that protects a temperature sensor from process pressure, flow and harsh medium. The sensor probe is inserted into the thermowell whose tip extends into the process fluid directly. Heat is conducted through the thermowell wall to the sensor which then provi... Read More

When is a Diaphragm Seal Recommended?

Diaphragm seal is a protective pressure-measurement assembly that isolates the pressure instrument from process fluid. As the flush wetted-part, a thin flexible diaphragm detects pressure variation through its displacement. Process pressure presses against the exposed side of the diaphragm, causi... Read More

How to Set Four-channel Alarm?

In industrial automation systems, fluctuations in process parameters are common. The ability to accurately judge the severity of these fluctuations and respond in time directly determines production safety and equipment life. The introduction of L, H, LL and HH alarms classifies abnormal conditio... Read More

Fluid Level Measurement in Production Storage Vessels

Storage vessels are the key equipment in industrial production for holding raw materials, intermediates and finished products. Widely distributed across various process stages, they perform buffering, storage and blending functions. As basic vessel instrumentation, level measurement devices provi... Read More

Common Misconceptions in Routine Instrument Maintenance in Chemical Industry (Part II)

In the operation of chemical plants, on-site measurement instruments—such as level gauges and temperature sensors—serve as the front-line terminals for acquiring process variables, continuously collecting and monitoring core parameters like temperature, liquid level, pressure and flow rate. The m... Read More

Common Misconceptions in Routine Instrument Maintenance in Chemical Industry (Part I)

In chemical production, measuring instruments such as pressure transmitters and flowmeters act as the “eyes” that monitor the production schedule, constantly keeping track of key process parameters like pressure, level, temperature and flow. The stability and accuracy of their operati... Read More

3-Valve or 5-Valve: How to Choose Manifold for Differential Pressure Transmitter?

In industrial process measurement, differential pressure transmitters are responsible for detecting critical parameters such as pressure difference, liquid level and flow. A DP transmitter measures the pressure difference between two points and its sensing element (the diaphragm capsule) is delic... Read More

How can Pressure Measurement Benefit from Capillary Tubing

A diaphragm seal separates the process medium from the pressure measuring instrument, thereby protecting both from each other. These barriers are essential when the medium is aggressive and would damage the pressure transmitter, as well as to prevent the contamination of hygienic media. In most a... Read More

Wangyuan: 20 Years of Process Measurement Empowering Industry

Located at Suide Road in Shanghai Putuo, a seemingly low-profile yet technologically formidable enterprise has been quietly cultivating its expertise for over two decades. With a solid portfolio of technology patents and orders from major national projects, it has raised its flag in the field of ... Read More

How to Utilize Pressure Measurement Data?

Pressure transmitters are often designed for data collection in industrial field applications, capable of outputting standardized signals and providing control systems with stable, reliable measurement data. From the perspective of measurement principles, the pressure of the measured medium is no... Read More

Electromagnetic Flowmeter: The Preferred Choice for Dirty/Corrosive Media

In industrial sectors such as chemical, metallurgy, wastewater treatment, paper and and mining, the objects of flow measurement often present complex characteristics including solid-contenting corrosive or viscous. Common flow measuring instruments like orifice plate or vortex flowmeters generall... Read More

How to Select Appropriate Diaphragm for Pressure Transmitter？

As the core sensing devices in industrial automation control systems, pressure transmitters frequently encounter harsh measurement environments in modern process industries such as petroleum, chemical, power, food, and pharmaceuticals. Its sensor diaphragm is not only the sensing element for pres... Read More
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