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英国牛顿N4L 变压器绕组变形频响分析仪 SFRA45

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品牌: 英国牛顿N4L
单价: 100.00元/件
起订: 1 件
供货总量: 10 件
发货期限: 自买家付款之日起 3 天内发货
所在地: 湖南省 长沙市
有效期至: 长期有效
最后更新: 2020-10-23 09:10
浏览次数: 73
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英国牛顿N4L 变压器绕组变形频响分析仪 SFRA45

产品简介:
The SFRA45 is a Sweep Frequency Response Analyzer with a bandwidth of 5Hz to 45MHz, the SFRA45 offers a fully portable solution for the field of SFRA (Sweep Frequency Response Analysis) which fully complies with IEC60076-18 – Power Transformers Part 18 Measurement of frequency response.

Product Images
The Complete Package – The SFRA45 package includes all
accessories for connection to the transformerThe SFRA45 Tablet style Sweep Frequency Respo<em></em>nse Analyzer The SFRA45 Tablet style Sweep Frequency Response Analyze Quarter view of the Newtons4th SFRA45 Sweep Frequency Response AnalyzerNewtons4th SFRA45 Sweep Frequency Respo<em></em>nse Analyzer Newtons4th SFRA45 Sweep Frequency Response Analyzer
 

Demystifying SFRA

The Sweep Frequency Response Analyzer simply injects a range of frequencies into a winding of a power transformer, when the power transformer is built correctly with no imperfections and faults the frequency response (of Gain Vs Frequency) plot of that particular type of transformer and winding on that particular transformer should exhibit a particular shape, this “shape” then becomes the transformers “fingerprint”.

Over the course of the transformers lifetime this “fingerprint” can be used in order to detect degradation of the transformer.

When is SFRA performed?

There are three main occasions when SFRA is performed

1. Upon factory quality checking
2. Before a short circuit test
3. Before and After transportation
4. ongoing scheduled maintenance

Features and benefits


* 0.02dB Basic accuracy * Frequency range 5Hz to 45MHz
*Full Colour VGA Display * RS232, LAN and USB
* PC Software package included * 2Hr Battery Life
* Leading Phase Accuracy * Truly Portable Measurements
* LCR Mode * Save Data to external USB
* 50Ohm or High Impedance Input * Scope Function
* Save Data to Database for comparison
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