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The main purpose of the HZFA-E transformer calibrator is to verify the technical performance of voltage and current transformers used in the field or in the laboratory. In order to realize this purpose, the transformer calibrator must form a complete set of transformer calibration device with related equipment. As the performance indicators of the instrument and the related equipment there is a close technical correlation between the calibrator, so in order to correctly study and understand the overall concept of transformer calibrator, must make a basic understanding of the transformer calibration device.
China's transformer calibrator can be roughly divided into three generations: the first generation of electrical class calibrator, the use of cumbersome operation, wiring complexity; the second generation of calibrators using more advanced electronic circuits, the use of more convenient than the previous generation of calibrators, but the need for human switching range gears in the measurement process, the test process shows less information. Most of the third generation of calibrators using a single-chip computer, so that the degree of intelligence of the instrument has been improved, part of the instrument has a computer communication interface to improve the level of office automation.
1. 5-inch LCD display, large visual range, with long-life backlight illumination, easy to use, superior to the display technology of many manufacturers (such as the digital tube calibrator of Shanxi Transformer Factory);
2. Full English operation interface, beautiful interface;
3. Highly integrated: error, signal state all integrated in the display, intuitive;
4. Highly intelligent: secondary open circuit, wiring error, ratio error, acute error and other alarm information is displayed directly on the liquid crystal of the calibrator;
5. Able to automatically realize transformer measurement, can automatically switch the current and voltage load box, does not require human intervention to switch;
6. The instrument can reach level 1. Currently on the market most of the calibrator using the resistive capacitive phase shift 90 ° method to achieve data measurement, this method is vulnerable to ambient temperature, power supply frequency, once the above environment changes, its measurement data will be greatly affected;
7. The percentage meter, ratio difference and angle difference are displayed in extra-large font, which is convenient for users to observe;
8. Fully meet the requirements of JJG314-2010 and JJG314-2010 with automatic sampling;
9. Automatic judgment of polarity error and variable ratio error;
10. The upper computer software has the open function of virtual instrument;
11. Completely solve the problem of S-level measurement;
12. Automatic switching range;
13. The perfect combination of advanced unique circuit and DSP technology completely solves the problem of unstable resistive-capacitive phase-shifting circuit;
14. Power consumption: <15VA (without micro-printer);
<25VA (with micro-printer);
15.Harmonic rejection ratio: >40db;
16. External dimensions: 260mm (L) x 350mm (W) x 150mm (H);
17.Weight: 6Kg.
1. Equipment use environment
Q1:Is your company a sales or a manufacturer?
We are an integrated trade and manufacturing company with our own factory.
Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
Q3:What is the usual lead time? How long can we receive the order after placing it?
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it?
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.