admin_zero, Author at Just Measure it

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5 Core Instrumentation Skills Every Technician Must Master

From Wiring and Calibration to Control Systems and Explosion Protection Anyone who works in field instrumentation knows the pain points: Wrong RTD wiring causing crazy temperature readings…Pressure transmitters damaged because someone forgot to depressurize…Control valves selected in the wrong fail-safe action…Or the constant pressure of working in hazardous zones… No worries—this guide summarizes five core […]

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Why Most Chemical Plants Prefer Radar Level Transmitters Over Ultrasonic

Level measurement may seem basic in process control, but its reliability directly impacts safety, efficiency, and production continuity.Across industries—especially chemical and petrochemical—engineering teams are increasingly replacing ultrasonic level transmitters with radar technology.Why is this shift happening? The answer lies in physics, performance, and field experience. 1. How They Detect Level: Radar vs. Ultrasonic Radar Level

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Best Practices for Maintenance and Overhaul of Industrial Equipment

1. Overview Equipment maintenance refers to routine care performed through cleaning, lubrication, inspection, adjustment, fastening, and minor correction, to ensure equipment maintains proper performance and technical condition.Effective maintenance reduces failure rates, minimizes downtime, and extends equipment life. 2. Maintenance Requirements for Critical, Precision, and Special Machinery 2.1 “Four Assignments” Principle To manage key equipment, enterprises

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Understanding Inrush Current: What It Is, Why It Happens, and How to Control It

Inrush current is a familiar—but often misunderstood—phenomenon in industrial power systems.Many engineers know its damage can be immediate and costly, yet struggle to pinpoint where it comes from, how to measure it, or what to do about it. This article breaks down the essentials of inrush current: its definition, root causes, testing methods, and preventive

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Coil, Electrode, and Ground Resistance in Electromagnetic Flowmeters

Typical Ranges and Their Interrelationship** Electromagnetic flowmeters rely on three key electrical characteristics—coil resistance, electrode-to-ground insulation resistance, and electrode-to-electrode resistance—to ensure stable measurement and reliable performance.Although values vary among manufacturers and models, industry consensus ranges and their significance are well established. 1. Typical Resistance Ranges 1.1 Coil Resistance The excitation coil generates an alternating magnetic

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How to Distinguish and Balance Tolerance and Accuracy in Mechanical Design

In manufacturing, many visible issues appear at the final stage—parts don’t fit, assemblies generate noise, performance fluctuates, or costs spiral.However, when engineers trace the root cause, they often discover that these problems arise much earlier—during the design phase—where tolerance selection and accuracy requirements were already misaligned. Tolerance grades and accuracy levels are fundamental to every

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HAZOP, LOPA, and SIL: What Are They and How Should They Be Used?

When discussing safety in factories, it’s common to hear: “We have alarms, interlocks, and safety valves.” However, real safety assessments go beyond simply asking “Do we have these systems?” and address three critical questions: What could go wrong? (Scenario identification) Is the risk low enough? (Risk assessment) If not, how reliable do the protective measures

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Instrument Calibration: What It Is and How to Do It Properly

Instrument calibration refers to using a reference standard to compare and verify the performance of a field instrument.Both devices measure the same process parameter, and the difference between the readings is used to determine whether the instrument falls within the allowable error range. Typical instruments that can be calibrated in the field include:pressure and differential

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

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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