VLF Hipot tester with TD & PD testing

VLF Advantage

1. AC Withstand voltage testing, Voltage & current curve display.

2. Tan delta (tgδ test), capacitance (μF) and IR (Ω) Test without external device (TD & IR for buyer’s option).

3. Partial discharge testing without external device (for buyer’s option).

4. DC withstandi voltage test,DC leakage current measurement (for option).

5. ”IEE 400.2” Analysis of Tan delta test result (for buyer’s option).

6. Safe Optical isolation technology.

7. Easiest to use Fully automatic microcontroller.

8. H/L voltage closed loop negative feedback control circuit, output no capacity rise effect.

9. Built-in printer.

10. Built-in protective resistors.                               

11. Colour Touch LCD (154*86mm)operation, True sine wave output.

12. Real-time display of actual output waveform.        

13. Ergonomic, menu guided, large colour touch screen

14. Storage of test results for later retrieval and print.                        

15. Over voltage and current protected.

16.Auto variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz.

17. 60 mins continuous working;

18. Data of current, voltage and waveform directly sampled at HV side.

19. Portable rugged and reliable trunk design (case material is special imported mixed resin).

20. Invatation Patent                                                    

21. CE mark.

22. RS232/USB (for option).

 

Specification

1.Power: 220V ± 10% AC (110V can be customized), 50/60Hz, single phase;

2.AC output-Voltage (Peak): 1 to 30KV;  DC output: 1-30KV;

3.Output frequency: 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz (auto variable frequency);

4.Load: 0.5μF (approx 6,000 ft of cable)  @ 0.1 Hz 

        1.0μF (approx 12,000 ft of cable) @ 0.05 Hz 

        2.5μF (approx 30,000 ft of cable) @ 0.02 Hz 

        5.0μF (approx 60,000 ft of cable) @ 0.01 Hz 

5. Stability of frequency: Fluctuation < 0.5%;

6. AC voltage measurement accuracy: ±3%;

7. AC voltage measurement resolution: 0.1KV;

8. AC current measurement accuracy: ±3%;

9. AC current measurement resolution: 0.1mA;;

10. Positive and negative voltage peak error: ≤3%;                              

11. Voltage waveform distortion: ≤3%;                                  

12. Construction: Integrated device;

13. Ambient conditions of use: temperature Indoor and outdoor : -10ºC ～ + 50ºC.          

14. Humidity:≤85%  

15. DC leakage current measurement:

1) DC output rated voltage: 1-30KV max.

2) DC voltage accuracy: 3%

3) Leakage current range: 0-2000μA (0-20mA can be customized)

4) DC Current resolution: 1μA

5) DC current accuracy: 3%

16.Dimension & weight for VLF-30TD: 

Type	Host (Integrated device)		Capacitor (0.04μF/60KV)
	Dim. (mm)	Wt (kg)	Dim. (mm)	Wt (kg)
VLF-30TD	500×310×450	42	Ø110x450(H)	4

             

           

      Accessories

Sr no.	Description	Quantity		Remarks
1	Host	1	unit
2	Capacitor (0.04µF)	1	unit	Used as Capacity supplement, or test object for demo,or coupling capacitor (Sampler) when PD testing.
3	Discharge rod	1	unit
4	HV Test/Connection cables	1	set
5	Earth cable	1	unit
6	Power supply cable	1	unit
7	Fuse	2	units
8	Printer paper	1	unit
9	Operating manual	1	unit
10	Aluminium alloy/canvas box	1	unit	Accessoires box
11	Calibration report	1	unit