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2026
Thermal Conductivity Detector (TCD): The Core Detector for Dga Analysis of Transformer Oil

Thermal Conductivity Detector (TCD): The Core Detector for Dga Analysis of Transformer Oil

In the analysis of dissolved gases in transformer oil, TCD (Thermal Conductivity Detector) is the core component for detecting inorganic gases such as hydrogen (H ₂), carbon monoxide (CO), and carbon dioxide (CO ₂). Unlike FID, TCD is a universal detector that responds to both organic and inorgani

2026
What Should I Do if the Calorimeter Fails to Ignite? Six Common Reasons and Treatment Methods

What Should I Do if the Calorimeter Fails to Ignite? Six Common Reasons and Treatment Methods

After a calibration, the instrument reported "ignition failure" - one of the most frustrating malfunctions in the use of the calorimeter. Fortunately, the HZ-384A manual provides a detailed list of six possible causes of ignition failure, and by troubleshooting in order, the problem can be

2026
The Entire Process of Operating the Dielectric Loss Tester: Key Points for Each Step from Startup to Printing the Report

The Entire Process of Operating the Dielectric Loss Tester: Key Points for Each Step from Startup to Printing the Report

With just a gentle press, the experiment will be automatically completed "- this is the opening sentence of the HZ-2000H manual, and it is indeed true. But the premise of "easy pressing" is "correct wiring", and the wiring process is the technical core of dielectric loss tes

2026
Verify the Thermal Relay with a High Current Tester and Follow the Complete Operation Process from Wiring to Reading

Verify the Thermal Relay with a High Current Tester and Follow the Complete Operation Process from Wiring to Reading

Thermal relay calibration is the most common application of high current testers. Many electrical maintenance engineers have to do this job every year, but those who are not familiar with the operational details often have to explore on site for a long time. Organize the complete process and follow

2026
Which Is More Reliable Between Linear Power Amplifiers and Switch Type Power Amplifiers for Relay Protection Testers?

Which Is More Reliable Between Linear Power Amplifiers and Switch Type Power Amplifiers for Relay Protection Testers?

When buying a relay protection tester, salespeople often mention "linear power amplifier" or "switch type power amplifier". Most engineers are confused and do not know how much impact this parameter has on actual testing. HZJB-1200 insists on using high fidelity linear amplifiers

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