Transformer Testers

Minimum Order: 1

Packaging: N/A

Delivery: 15 Days

Description

Sandi VLF stands for Very Low Frequency. A Sandi VLF is an AC output high voltage instrument. Sandi VLF products provide sinusoidal AC voltage but at 0.1Hz - 0.02 Hz, compared to the 50/60Hz output of conventional AC test sets. It is still an AC voltage with sinusoidal polarity reversals every half cycle. The Sandi VLF instrument is used to provide a simple go/no-go, or pass/fail withstand test. Also, Sandi VLF instruments can be used as the voltage source for performing off-line Partial Discharge testing.

Application

Sandi VLF testing is used for any application requiring AC testing of high capacitance loads. The major application is for testing solid dielectric cable, followed by testing large rotating machinery, and occasionally for testing large insulators, arrestors, and the like. Even if a utility doesnât adopt Sandi VLF for widespread cable testing, one of the best reasons to use VLF is to check installation quality and accessories, like splices. Many failures are due to damage during installation, improper workmanship, and/or insulation damage caused by excessive voltage fault locating - thumping. At the very least, every newly installed or repaired cable should be Sandi VLF tested before re-energizing.

Supplied Accessories

1.A dedicated high voltage-voltage connecting cable;

2.A dedicated low-voltage connecting cable;

3.A power line;

4.Ten power fuse;

5.A discharge stick;

6.An instruction manual.

http://www.cnsandi.com

Country: China (Mainland)
Business Type: Manufacturer
Market:Asia
Founded Year:
Address:
Contact:Katrina Yi

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Transformer Testers

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