Huazheng HZBB-10B-I Portable Ttr Meter Transformer Turns Ratio Tester

A Transformer Turns Ratio (TTR) tester is a specialized instrument used to measure the turns ratio of transformers, which is essential for ensuring their proper functionality and reliability. The turns ratio is the relationship between the number of turns in the primary winding and the number of turns in the secondary winding of a transformer. Accurate measurement of this ratio is crucial for assessing transformer performance, diagnosing faults, and ensuring compliance with industry standards.

TTR testers are crucial for measuring the turns ratio of transformers, ensuring their reliability and performance. Huazheng Electric Manufacturing (Baoding) Co., Ltd. has developed advanced TTR testers,which offers precise measurements, user-friendly interfaces, and protective features. The device can perform simultaneous three-phase tests, enhancing efficiency and accuracy. With a focus on quality and innovation, Huazheng Electric is a leading manufacturer in the electrical testing industry, providing essential tools for maintaining reliable electrical infrastructure.

I. Feature

1.It can automatically measure the transformer ratio for both three-phase and single-phase transformers, and calculate the ratio error.

2.The number and polarity of the transformer connection group can be measured, and the secondary wiring vector diagram is displayed. This is intuitive, and the instrument has a self-calibration function. Based on the self-calibration results, it can distinguish between a faulty test line or instrument.

3.The instrument can display the transformer voltage waveform and the phase relationship between the primary and secondary sides. It can also measure transformer voltage harmonics, making it convenient for fault analysis.

4.It includes a CT/PT ratio and polarity test function.

5.The instrument features a reliable and comprehensive automatic protection function to ensure its safety under various abnormal conditions.

6.The instrument has 128MB of built-in memory (expandable with a 4GB memory card), which can store all measurement results. The database can be exported via USB and opened in an Excel spreadsheet.

7.It features a 7-inch true-color touchscreen and uses the emWin GUI interface, making operation simple and convenient.

II. Technical parameters

Item	HZBB-10B-I
Variable ratio test range	0.8～20000
Test voltage	AC 12V,24V,40V,80V,160V （manual selection）
Variable ratio test accuracy	0.1%（0.8-2000）
	0.2%（1000-5000）
	0.3%（5000-20000）
size（mm）	270 × 190 × 70
weight	2kg
working voltage	AC 110～220V 50/60Hz
Working temperature	-10℃-40℃
ambient humidity	10%-85%

III.Matters needing attention

1. The ground terminal or the ground wire in the power cable should be grounded reliably.

2. Please enter correct setting parameters before test. The group label and the measured transformer must be consistent. If not sure, choose unknown to be measured by the tester automatically.

3. If you the rated ratio is not put in, results only show the measured ratio value, and do not show the error.

4. Test The instrument application of the instrument built-in output, external standard voltage divider test should not be used standard voltage transformer test (due to voltage transformers non-linear accuracy of the accuracy can not be accurate).

V.Packing List

No.	Item	Qty
1	Main engine	1
2	Red extension cord	1
3	Black extension cord	1
4	Red test line	2
6	Black test line	2
7	Yellow test line	2
8	Green test line	2
9	Power line	1
10	adapter	1