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Process Control Application among Storage & Transportation in Oil & Gas

Storage vessels and pipelines are key equipment for oil and gas storage and transportation, connecting all stages of the industry. From extraction to delivery to end users, petroleum products undergo multiple processes of storage, transportation and loading & unloading. Changes in pressure, l... Read More

Usage of Differential Pressure Transmitter in Cleanroom Application

Typically speaking, a cleanroom is constructed to establish a environment where containment of pollutant particles is controlled to low level. Cleanroom is extensively applicable in every industrial processes that impact of small particles needs to be eradicated, such as medical device, biotech, ... Read More

Introduction to Diaphragm Seal Connection for Transmitter

The diaphragm seal is a method of installation used to protect instruments from harsh process conditions. It acts as a mechanical isolator between process and instrument. The protection method is generally used with pressure and DP transmitters that connects them to the process. Diaphragm seals a... Read More

Fundamental Pressure Definition and Common Pressure Units

Pressure is the amount of force exerted perpendicular to the surface of an object, per unit area. That is, P = F/A, from which it is obvious that smaller area of stress or stronger force reinforce  applied pressure. Liquid/Fluid and gas can also apply pressure as well as solid surface. Hydrostati... Read More

WangYuan Reliable and Safe Pressure Measurement in Diverse Environments

Given the critical role of pressure in the process control of all kinds of industries, precise and reliable instrumental integration is paramount. Without proper coordination of measuring device, connection components and field conditions, entire section in a factory might be unable to commence o... Read More

Heat Sink Application in Instrumentation

Heat sinks are often used in electronic devices to dissipate heat energy away, cooling down the devices to moderate temperature. Heat sink fins are made of heat conductive metals and applied on high temperature device absorbing its heat energy and then emit to ambience via radiation and convectio... Read More

Accessories for Differential Pressure Transmitter

In normal operations, several accessories are commonly used to assist differential pressure transmitters in functioning properly. One of the vital accessory is valve manifold. The purpose of its application is to protect the sensor from single-side over pressuring damage and isolate the transmitt... Read More

Why does 4~20mA 2-wire Become Mainstream Output of Transmitter

With respect to transmitter signal transmission in industrial automation applications, 4~20mA is one of the most common choice. In the case there will be a linear relationship between the process variable( pressure, level, temperature, etc.) and the current output. 4mA represents lower limit, 20m... Read More

What is thermowell?

When using a temperature sensor/transmitter, the stem is inserted into the process container and exposed to the measured medium. In certain operating conditions, some factors could causing damage to the probe, such as suspended solid particles, extreme pressure, erosion, corrosion and degradation... Read More

How does Display Controller Work as Secondary Instrument

An intelligent display controller could be one of the most common accessory instruments in process control automation. The function of a display, as one could easily imagine, is to provide visible readouts for signals output from a primary instrument (standard 4~20mA analog from a transmitter, et... Read More

Introduction to Tilt LED Field Indicator for Cylindrical Case Products

The Tilt LED Digital Field Indicator suits for all kinds of transmitters with cylindrical structure. The LED is stable and reliable with 4 bits display. It can also have the optional function of 2-way relay alarm output. When an alarm is triggered, corresponding indicator lamp on the panel will b... Read More

Evolution of Smart Communication on Transmitters

Industrial instrumentation has undergone significant advancements over the past few decades, when the majority of instruments were limited to simple 4-20mA or 0-20mA analog output proportional to the process variable. The process variable was converted to a dedicated analog signal transmitted fro... Read More
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