Wuhan Goldsol Co., Ltd.  

Product Name: 0.1Hz Vlf AC/DC High Voltage Generator 50kv Model NO.: VLF-30,40,50 Vlf Hipot Test Set 30/40/50kv: Vlf 30/40/50kv Trademark: GOLDSOL Transport Package: Aluminum Box Inside and Plywood Case Ouside Specification: CE mark Origin: China HS Code: 903039 Product Description VLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.-Micro-controller-Advanced digital frequency technology-Built-in printer-Discharge free-Portable-60mins Continous working-CE mark-Patent-5thgenerationVLF Advantages:1. Safe Optical isolation technology,2. Easiest to use Fully automatic microcontroller3. H/L voltage closed loop negative feedback control4. Built-in printer5. Built-in protective resistors 6. True sine wave output7. Real-time display of actual output waveform 8. Ergonomic, menu guided, large backlit LCD9. Storage of test results for later retrieval and print. 10. Over voltage and current protected11. Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz; or 0.1Hz, 0.05Hz, 0.01Hz12. Data of current, voltage and waveform directly sampled at HV side.13. AC testing does not degrade good cable insulation14. Harmful space charges are not injected into the cable insulation15. No traveling waves are generated during testing16. Rugged and reliable design less prone to failure from transients17. Invatation Patent 18. Portable, only 1 control unit and 1 booster.19. CE mark.Safety Features1. Short circuit protected.2. Status display of all important safety functions and messages.3. Safe, easy to use operation with emergency off and key switch lock-out.4. Fully integrated discharge circuit to safely ground the DUT after testing.5. Zero start interlock.6. Zero voltage switching.Specifications1. Input: 220 ± 10% Volts AC, 50/60 Hz, single phase.2. Output-Voltage: 30, 40, 50, 60, 70, 80, 90,100KV3. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz or 0.1Hz, 0.05Hz, 0.01Hz4. Stability of frequency: Fluctuation < 0.5%5. Measurement accuracy: ± 3%.6. Positive and negative voltage peak errors: ≤ 3%.7. Voltage waveform distortion: ≤ 5%8. Construction: In two units: Controller and Booster...9. Ambient conditions of use: Temperature Indoor and outdoor: -10º C to + 50º C.10. Humidity: ≤ 85%AC testing of cables and electrical apparatus is now easier than ever!The product combines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost. The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output sinusoidal wave form. The printer outputs test reports.Model noOutputVoltage/Current(Peak)Load CapacityControl UnitBoosterPowerCapacitance/FreuencyNet Dim.(cm)Net Wt(kg)Net Dim.(cm)Net Wt(kg)VLF-3030KV/29mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.01Hz, ≤11µF40×24×31 634×16×30271000WVLF-4040KV/29mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.01Hz, ≤11µF40×24×31 644×18×37451200WVLF-5050KV/59mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.01Hz, ≤11µF40×24×31 644×19×37461500WVLF-6060KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.01Hz ≤ 5.0uF40×24×31 645×20×38482000WVLF-7070KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.01Hz ≤ 5.0uF40×24×31 645×20×38482500WVLF-8080KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.01Hz ≤ 5.0uF40×24×31 645×20×38503000WVLF-9090KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.01Hz ≤ 5.0uF40×24×31 646×22×38523500WVLF-100100KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.01Hz ≤ 5.0uF40×24×31 646×22×38524000WAccessariesSr no. DescriptionQuantity 1Control unit1unit 2Booster1unit 3Capacitor (0.04µF)1unit 4Discharge rod1unit 5HV Test/Connection cables1set 6Earth cable1unit 7Power supply cable1unit 8Fuse2units 9Printer paper2unit10Operating manual1unit11Factory's Calibration report1unit