News-Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Email:sales04@bdhuazheng.com

Cellphone/ wechat/Whatsapp /Skype: +86 18330222302

News

News HOME >> News

Jul 09 2026

Which Method Should Be Chosen for on Load Tap Changers with or Without Winding Testing?

HZYA-3Z supports two testing methods: with winding testing and without winding (directly on the tap changer terminal) testing. Both methods can measure transition waveforms and various parameters, but the applicable scenarios and precautions are different.Test with winding: closer to actual working

Jul 08 2026

Which of the Four Current Levels, 100A, 80A, 50A, And 30A, Should Be Selected for Circuit Resistance Testing?

The HZ-5100S provides four output current levels, each corresponding to a different measurement range. Different gears are not randomly selected. Choosing the right gear may result in higher measurement accuracy and more reliable results. Choosing the wrong gear may cause range exceeding or data dis

Jul 06 2026

There Are Three Measurement Methods for Hz-20a, Which One Should Be Chosen on Site?

When conducting live testing of lightning arresters, many engineers have found that there are three measurement options for HZ-20A: wired, wireless, and no PT. Different measurement methods have different wiring, accuracy, and applicable scenarios, and it is easy to encounter problems if they are no

Jul 02 2026

There Are so Many Current Levels for a Dc Resistance Tester, Which One Should I Choose?

HZ-3110B has 7 current modes: AUTO,<20mA, 40mA, 200mA, 1A, 5A, 10A. Many people choose AUTO for convenience, but understanding the applicable scenarios for each gear can make testing faster and more accurate.The correspondence between current gear and rangeEach current level corresponds to a meas

Jul 01 2026

Why Must a New Oil Cup Be Punctured 24 Times Before Conducting a Formal Test When Used for the First Time?

Many beginners find this question strange - the oil cup looks clean, why can't it be used directly? The instruction manual clearly states that "new oil cups or newly cleaned oil cups should be punctured 24 times before testing", and there are sufficient technical reasons behind it, not

···

sales04@bdhuazheng.com +86 18330222302 +86 18330222302 +86 18330222302 +86 18330222302

News

Which Method Should Be Chosen for on Load Tap Changers with or Without Winding Testing?

Which of the Four Current Levels, 100A, 80A, 50A, And 30A, Should Be Selected for Circuit Resistance Testing?

There Are Three Measurement Methods for Hz-20a, Which One Should Be Chosen on Site?

There Are so Many Current Levels for a Dc Resistance Tester, Which One Should I Choose?

Why Must a New Oil Cup Be Punctured 24 Times Before Conducting a Formal Test When Used for the First Time?

Huazheng Electric Manufacturing (Baoding) Co., Ltd.

Navigation

Categories

Contact Us