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Causes and Solutions for Abrupt Drop in Instantaneous Flow of Orifice Flowmeter

Flow meter /

Introduction Orifice flowmeters are widely used for measuring fluid flow in various industrial applications. They operate based on differential pressure measurement across an orifice plate. However, in some cases, users may encounter an abrupt drop in instantaneous flow readings, which can lead to operational disruptions. This article aims to explore the potential causes of such […]

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Inspection Procedures for Chemical Instrument Thermoresistors

Instrumentation /

Thermoresistors are critical components in chemical instrumentation for accurate temperature measurement. Proper inspection of these devices is essential to ensure they function correctly and provide reliable data. Below are the detailed steps for inspecting thermoresistors: 1. Visual Inspection Protective Sheath Check: Examine the thermoresistor’s protective sheath for any visible damage, such as cracks, deformation, or

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Comparison and Application Analysis of Radar Level Meters and Magnetic Sensitive Electronic Dual-color Level Meters

Level meter /

Radar level meters and magnetic sensitive electronic dual-color level meters are widely used instruments for liquid level measurement. Some users may not be familiar with the differences between these two instruments. This article introduces their differences, advantages and disadvantages, and applicable scenarios, providing reference for engineers and technical personnel in instrument selection. Radar Level Meter:

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pH Instrument Calibration: Methods, Steps, and Precautions

Instrumentation /

pH instrument calibration is an essential procedure for ensuring accurate pH measurements. There are two primary methods for calibrating pH instruments: the colorimetric method (using pH paper or colorimetric vials) and the electrode method. While colorimetric methods do not require calibration, the electrode method must be calibrated because it involves comparing the unknown solution’s pH

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Understanding IoT Communication Protocols: A Comprehensive Overview

PLC /

Introduction to IoT The Internet of Things (IoT) refers to a vast network where physical devices are interconnected through the internet to enable data exchange and communication. These devices range from household appliances and industrial machinery to vehicles and various sensors. By integrating embedded systems and network connections, IoT devices can collect, transmit, and process

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The Joint Use of Radar and Ultrasonic Level Sensors: Can They Interfere with Each Other?

Instrumentation /

Introduction Level measurement is a critical aspect of industrial automation, especially in complex environments. Selecting the right level measurement technology is crucial to ensure accurate and reliable readings. Radar level sensors and ultrasonic level sensors are two commonly used non-contact technologies for level measurement, each relying on different principles—microwaves and sound waves, respectively. Although both

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Types of Sealing Rings and Their Applications in Hydraulic Cylinders

Instrumentation /

Hydraulic cylinders are indispensable components in engineering machinery, and sealing elements play a crucial role in their proper functioning. The most common sealing elements used in hydraulic cylinders are sealing rings, also known as oil seals. These rings are designed to isolate hydraulic fluids, preventing leakage and ensuring the efficient operation of hydraulic systems. Various

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Materials Used in Precision Instrumentation: Exploring Hardness, Strength, and Stiffness

Instrumentation /

Precision instrumentation is an integral part of modern technology, spanning industries such as aerospace, healthcare, and manufacturing. The performance of these instruments relies heavily on the materials used in their construction, which must exhibit optimal combinations of hardness, strength, and stiffness. These mechanical properties determine the instruments’ durability, accuracy, and reliability under various conditions. Let’s

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Principles of Transmitter Selection

Transmitter /

Selecting the right transmitter for an application is a crucial process that ensures accurate measurements, reliable performance, and cost-effectiveness. This article provides a comprehensive guide on transmitter selection, detailing key steps, factors to consider, and common pitfalls to avoid. Step 1: Define Measurement Requirements 1.1 Identify the Measurement Parameter The first step in selecting a

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Why is a 250Ω Resistor Required for Offline Debugging with a HART Communicator?

Hart /

Introduction The HART (Highway Addressable Remote Transducer) protocol is a widely used communication standard in industrial process control systems. It enables digital communication between field instruments, such as transmitters and controllers, over traditional 4-20mA analog signal loops. When performing offline debugging or configuration using a HART communicator, a 250Ω resistor must be inserted in series

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