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Understanding 2-Wire, 3-Wire, and 4-Wire RTD Connections

Instrumentation /

Resistance Temperature Detectors (RTDs) are widely used in industrial and laboratory environments for accurate temperature measurement. However, their wiring configuration plays a crucial role in ensuring measurement accuracy. The three main wiring types—2-wire, 3-wire, and 4-wire—differ in complexity, cost, and precision. 1. 2-Wire RTD Connection In a 2-wire configuration, one lead wire is connected to […]

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Radar Level Transmitters: Preventing and Eliminating the Impact of Steam and Condensation

Level meter /

1. Introduction In high-temperature or high-humidity industrial processes, steam and condensation can significantly affect the measurement accuracy and reliability of radar level transmitters. Water droplets or condensate films on the antenna surface may attenuate the radar signal, causing unstable readings or complete signal loss. This document outlines proven preventive and corrective measures to mitigate these

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Pressure Gauge Management and Classification in the Special Equipment Sector: Regulatory Evolution, Compliance Risks, and Best Practices

Pressure Transmitter /

1. Evolution of Regulatory Classification 1.1 Early Classification (1981–2016) The earliest relevant regulation dates back to the Safety Supervision Regulation for Pressure Vessels (Labour and Boiler Regulation No. 7 [1981]).Article 80 explicitly classified pressure gauges alongside safety valves as “safety accessories”, requiring periodic verification at least once a year. This classification placed pressure gauges in

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Why Bending Radius Matters in Cable Installation

Instrumentation /

1. Introduction In cable installation, bending radius refers to the minimum radius a cable can be bent without causing mechanical or electrical damage. It is a critical factor in ensuring cable performance, longevity, and compliance with international standards. Ignoring bending radius requirements may lead to insulation cracks, conductor deformation, or signal degradation. 2. What Is

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Understanding the Real-World Difference Between 0.1% and 1% Resolution Ultrasonic Level Meters

Level meter /

Resolution is one of the most overlooked specifications when selecting an ultrasonic level meter. Yet, it plays a critical role in determining how precisely the instrument can detect changes in liquid level. In this article, we’ll explain what resolution really means, show practical examples, and help you decide whether 0.1% or 1% resolution is right

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Understanding the Components of a Distributed Control System (DCS)

PLC /

A Distributed Control System (DCS) is essential in managing complex industrial processes, providing centralized control and monitoring while distributing the control tasks across a network of controllers. Used extensively in industries like manufacturing, petrochemicals, and utilities, a DCS helps ensure efficiency, reliability, and safety. In this blog post, we’ll explore the primary components of a

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Components and Operating Conditions of a PLC Control Cabinet

PLC /

PLC (Programmable Logic Controller) control cabinets are essential in industrial automation, providing reliable and precise control over various processes. Understanding the detailed composition and operating conditions of these cabinets is crucial for ensuring their efficient and safe functioning. Below is an in-depth exploration of the main components of a PLC control cabinet and the conditions

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Pressure Gauge Selection for Special Media and Environments

Pressure Transmitter /

1. Introduction Pressure gauges are not universal instruments. Selecting the wrong type for a specific medium can result in corrosion, explosion hazards, or measurement failure. This document explains the selection requirements for pressure gauges used in acetylene, ammonia, oxygen, and hydrogen sulfide-containing media, referencing SH/T 3005-2016 and related international standards. 2. Applicable Standards SH/T 3005-2016

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Understanding Accuracy, Repeatability, and Hysteresis in Industrial Instruments

Instrumentation /

In the world of industrial measurement and control, accuracy is more than just a number on a datasheet — it’s the foundation for safe, efficient, and reliable operations. Whether you’re calibrating a pressure transmitter, troubleshooting a flow meter, or preparing for a certification exam, understanding key error concepts will help you select, operate, and maintain

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Ultrasonic Water Meter vs Electromagnetic Water Meter vs Industrial Electromagnetic Flow Meter: Which Should You Choose?

Flow meter /

Choosing the right water metering technology is crucial for ensuring accurate measurement, operational efficiency, and long-term reliability. With multiple options available, three of the most common choices are ultrasonic water meters, electromagnetic water meters, and industrial electromagnetic flow meters. Although they may look similar at first glance, their design, application, and performance differ significantly. This

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