Why Zero Calibration Is Critical for Pressure Transmitters
March 4, 2026
In any industrial automation system, inaccurate pressure measurement can compromise safety, product quality, and process stability. A pressure transmitter is...
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Thermocouple: Principle, Selection Guide, Failure Mechanism and Industrial Applications
March 3, 2026
Thermocouples are among the most widely used temperature sensors in industrial measurement systems. From power plant boilers to gasification furnaces...
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How Much Deviation Means a Pressure Transmitter Cannot Be Corrected by Zero and Span Adjustment?
March 2, 2026
In field maintenance, engineers often encounter this situation: The zero point cannot be adjusted back to 4 mA The full-scale...
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O-Ring Material Temperature Guide (International Industrial Reference)
March 1, 2026
Recommended Continuous Operating Temperature Range Note: The values below are general recommended continuous temperature ranges.Actual performance depends on compound formulation,...
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Pressure Gauge vs Differential Pressure Transmitter: How to Choose the Right Instrument for Your Application
February 28, 2026
In industrial sites, pressure-related issues occur almost every day: Unstable pressure readings Fluctuating or drifting signals Frequent instrument damage Complaints...
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4–20 mA Signal Lost? Don’t Rush to Replace the Transmitter
February 27, 2026
Top 10 Causes and a Proven Field Troubleshooting Workflow If you are an instrument technician, electrician, or automation engineer, you...
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What Are Tolerances in Industrial Design?
February 26, 2026
In mechanical design and manufacturing, you often encounter tolerances marked on technical drawings, such as Φ20±0.02, 20+0.01/−0.03, or H7/g6. Almost...
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How to Address Display Errors in Pressure Transmitters
February 25, 2026
1. Nitrogen-Hydrogen Compressor Stage 3 Outlet Pressure Display is Lower Than the Local Pressure Gauge Fault InspectionThe pressure displayed on...
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Where Should the Shut-off Valve for Differential Pressure Flowmeters Measuring Steam Be Installed?
February 24, 2026
When using a differential pressure flowmeter to measure steam, where exactly should the shut-off valve on the pressure tap be...
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Sealing Matters: Is Your Gasket Installed Correctly?
February 23, 2026
Gaskets are commonly used components in industrial equipment. But have you installed them properly? Incorrect installation can lead to gasket...
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Understanding Sampling and Signal Conversion: From Analog to Digital
February 22, 2026
1. What is Sampling? Sampling refers to the process of measuring and recording a continuous-time analog signal at fixed intervals,...
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Case Study: Solving the Measurement Challenges of Sodium Hydroxide (Caustic Soda) Storage Tanks
February 21, 2026
In the chemical industry, measuring the liquid level in sodium hydroxide (caustic soda) storage tanks has long been a challenging...
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Should a Cut-off Valve Be Installed in the Inlet and Outlet Pipelines of a Safety Valve?
February 20, 2026
This seemingly simple question has caused confusion for many companies and designers. Some choose to install cut-off valves, while others...
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Components of Process Control Instruments
February 19, 2026
Components of Process Control Instruments Transmitter UnitThe transmitter unit converts measured parameters (such as set parameters in an automatic control...
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RF Capacitance / RF Admittance Level Switch: The Impact of Probe Diameter on Capacitance Changes
February 18, 2026
RF Capacitance (or RF Admittance) Level Switches are vital instruments for industrial liquid level measurement. The core principle behind their...
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Inaccurate Display and Fluctuating Output Values of Mass Flow Meters: Troubleshooting and Solutions
February 17, 2026
1. Abnormal Cumulative Flow in Mass Flow Meter Troubleshooting: A mass flow meter at a plant showed cumulative flow even...
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Common Challenges Faced by Engineers: Should Equipment Continue Running or Be Shut Down?
February 16, 2026
In industrial settings, it's common to hear statements like: "The equipment is still running, why shut it down?" "If we...
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Is Your Pressure Transmitter Really Faulty? In Most Cases, It’s Innocent
February 15, 2026
In industrial settings, there’s a dangerous “knee-jerk” reaction that can be costly: Whenever the pressure transmitter readings fluctuate, technicians often...
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Reasons and Solutions for Large Fluctuations in Thermal Mass Flow Meters
February 14, 2026
Thermal mass flow meters, commonly used for measuring the mass flow rate of gases or small amounts of liquids, may...
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Understanding Valve and Piping Codes in Engineering Drawings
February 13, 2026
When engineers first look at a piping or P&ID drawing, one thing becomes immediately noticeable:there are not many words, but...
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