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High-Temperature Radar Level Transmitters – Working Principle, Features and Applications

Level meter /

Radar level transmitters are widely used for continuous liquid measurement under demanding high-temperature operating conditions.Below is a concise technical overview. Working Principle A high-temperature radar level transmitter operates based on high-frequency microwave pulse technology.The transmitter emits microwave pulses toward the surface of the liquid. These pulses travel at the speed of light, reflect from the […]

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How to Trace Instrument and Control Wiring When No Drawings Are Available

Instrumentation /

In instrument maintenance work, one of the most frustrating situations is troubleshooting without wiring diagrams.Facing a cabinet full of cables and checking them one by one is slow, error-prone, and often ends in wasted time. This article summarizes two practical methods that allow you to trace and verify instrument wiring even when no drawings exist,

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Common Level Measurement Technologies for Storage Tanks — Why Instrument Selection Matters

Tank /

In chemical plants and industrial facilities, storage tanks serve as the backbone of material handling — providing buffering, storage, and batching functions.Accurate and stable level measurement inside these tanks is fundamental to safe production, process efficiency, and commercial accountability, especially in tank farm operations. Why Does Level Measurement Matter? 1. Process Control Level information directly

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Pressure Tapping Lines for Differential Pressure Flow Meters

Pressure Transmitter /

Why Some Are Long and Others Are Short?** Differential pressure (DP) flow meters measure flow by detecting the pressure drop created across a primary element—such as an orifice plate, Venturi tube or wedge flow meter.To transmit this pressure difference to the transmitter, two impulse (tapping) lines are installed between the process piping and the DP

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Improper Drain Operation and Differential Pressure Transmitter Failures

Pressure Transmitter /

Why Instrument Incidents Are Rarely Just Operator Errors In daily instrumentation maintenance, draining and inspection of differential pressure (DP) transmitters are considered routine tasks. In practice, however, improper drain operations continue to cause serious equipment damage—especially in steam service. Recently, a DP transmitter was severely damaged during a drain operation. Similar incidents have occurred before,

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What Is HAZOP Really For?

Instrumentation /

And Why HAZOP Studies Often Fail to Prevent Accidents In many engineering projects, HAZOP has become a standard procedure.The meetings are held, the worksheets are completed, reports are issued, and everything is properly archived. From a compliance perspective, nothing seems wrong. Yet when an abnormal event or even a major accident occurs, one uncomfortable question

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Instrument Failed Again?

Instrumentation /

A Field Engineer’s Practical Guide to Finding the Real Root Cause For field instrumentation engineers, the most difficult part of troubleshooting is often not repairing the instrument itself, but identifying the real root cause of the failure. Very often, operators simply report: “The instrument is faulty.” However, they cannot clearly explain whether the problem is:

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Guided Wave Radar vs. Non-Contact Radar Level Measurement

Level meter /

Making the Right Engineering Choice Beyond “Contact” and “Non-Contact” Radar technology for level measurement is already well established in industrial applications.In oil & gas, chemical processing, energy, and water treatment, radar level transmitters have almost become the default solution. Yet in real projects, a recurring question remains: If both are radar technologies, why are some

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Differences and Common Principles of Vortex Flowmeters for Water and Steam Measurement

Flow meter /

Vortex flowmeters are widely used for measuring both liquid water and steam in industrial applications.Although the fundamental measuring principle remains the same, the physical properties of the media—such as density, viscosity, temperature, and pressure—lead to significant differences in installation requirements, compensation methods, and sensor selection. This article explains the common principles and key differences between

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Temperature Measurement Inaccuracy?

Temperature transmitter /

Check These Critical Installation Details First In industrial applications, accurate temperature measurement is essential for process control, product quality, and operational safety.However, in many real-world projects, engineers often encounter the same frustrating situation: The instrument is correctly selected, but the measured temperature is still inaccurate. In most cases, the root cause is not the sensor

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