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Brand Name : LAB TECH
Model Number : VLF
Certification : ISO9001
Place of Origin : China
MOQ : 1 set Very Low Frequency Tester
Price : USD1.0
Payment Terms : T/T, Western Union
Supply Ability : 1000 sets per month
Delivery Time : 10 days
Packaging Details : Very Low Frequency Tester packed in veneer case
Item Name : VLF Very Low Frequency Tester
Functions : Supply high voltage for power cable testing
Voltage output : 30kV, 40kV, 50kV, 60kV, 70kV, 80kV
Measurement accuracy : 2.5%
Rated current : 30mA
Frequency : 0.1Hz, 0.05Hz, 0.02Hz
Power supply : AC220V ± 10%, 50Hz/60Hz
Warranty : One year
Service : OEM service is available
VLF Very Low Frequency Tester is designed and manufactured for electrical equipment very low frequency withstand voltage test.
Very low frequency withstand voltage test is essentially an alternative of power frequency withstand voltage test.
It is much smaller, lighter and portable than power frequency withstand voltage tester. It is proved home and abroad that 0.1Hz ultra-low frequency withstand voltage test can replace power frequency withstand voltage test.
It can be applied for 10kV, 35kV, 300MW thermal power machine, 10kV, 35kV power transformer and other electrical equipment.
Max voltage output: refer to following table;
Output frequency: 0.1Hz, 0.05Hz, 0.02Hz;
Measurement accuracy: 2.5%;
Positive and negative voltage peak errors < 2.5%RDG+0.3%FS;
Voltage wave form distortion: <3%;
Insulation resistance measurement error: <2.5%;
Leakage current measurement error: <2.5%;
Power supply:AC220V ± 10%, 50Hz/60Hz;
Environment temperature: 0~50°C;
Humidity:≤85%RH;
Model | Rated Voltage/current | Load Carrying Capacity | Power fuse wire | Product Structure and Weight |
VLF-30 | 30kV/20mA (Peak) | 0.1Hz,≤0.5µF~1.1µF | 5A | Controller:4kg Booster: 25kg |
0.05Hz,≤0.5µF~2.2µF | ||||
0.02Hz,≤0.5µF~5.5µF | ||||
VLF-40 | 40kV/30mA | 0.1Hz ≤ 1.1uF | 6A | Controller: 4kg Booster: 35kg |
0.05Hz ≤ 2.2uF | ||||
0.02Hz ≤ 5.5uF | ||||
VLF-50 | 50kV/30mA (Peak) | 0.1Hz,≤0.5µF~1.1µF | 7A | Controller:4kg Booster: 50kg |
0.05Hz,≤0.5µF~2.2µF | ||||
0.02Hz,≤0.5µF~5.5µF | ||||
VLF-60 | 60kV/30mA (Peak) | 0.1Hz,≤0.5µF | 9A | Controller:4kg Booster Grade 1(30kV):25kg Booster Grade 2(30kV):25kg |
0.05Hz,≤0.5µF~1µF | ||||
0.02Hz,≤0.5µF~2.5µF | ||||
VLF-80 | 80kV/30mA (Peak) | 0.1Hz,≤0.5µF | 12A | Controller:4kg Booster Grade 1(30kV):25kg Booster Grade 2(50kV):50kg |
0.05Hz,≤0.5µF~1µF | ||||
0.02Hz,≤0.5µF~2.5µF |
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VLF Very Low Frequency Tester, AC Hipot Tester for Power Cable Testing Images |