Product Details

Introduction:
1. The VLF Series 0.02Hz 80kV Very Low Frequency Tester is suitable for Testing cables, transformers, switchgear, Rotating machinery, and other Electrical apparatus.

Features:

1. Easiest to use Fully automatic micr℃ontroller

2. Built-in printer

3. True sine wave output

4. Real-time display of actual output waveform

5. Ergonomic, menu guided, large backlit LCD

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

7. Over voltage and current protected

8. Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz

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

10. AC testing does not degrade good cable insulation

11. Harmful space charges are not injected into the cable insulation

12. No traveling waves are generated during testing

13. Rugged and reliable design less prone to failure from transients

14. Short circuit protected.

15. Status display of all important safety functions and messages.

16. Safe, easy to use operation with emergency off and key switch l℃k-out.

17. Fully integrated discharge circuit to safely ground the DUT after testing.

18. Zero start interl℃k.

19. Zero voltage switching.

Specification:

1. Input: 220 ± 10% Volts AC, 50/60 Hz, single phase.

2. Output-Voltage. 30KV

3. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz.

4. 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: -10ºC to + 50ºC.

10. Humidity: ≤ 85%

VLF Models for Option :

	Output	Load Capacity	Controller	Booster
Model	Voltage/Current	Frequency/Capacitance	Size	Dim.(cm)	Fuse Tube
VLF-30/1.1	30KV/20mA	0.1Hz ≤ 1.1uF	283722cm, 4kg	331834,25kg	5A
		0.05Hz ≤ 2.2uF
		0.02Hz ≤ 5.5uF
VLF-40/1.1	40KV/30mA	0.1Hz ≤ 1.1uF	283722cm,4kg	352036,35kg	6A
		0.05Hz ≤ 2.2uF
		0.02Hz ≤ 5.5uF
VLF-50/1.1	50KV/40mA	0.1Hz ≤ 1.1uF	283722cm,4kg	372439,45kg	7A
		0.05Hz ≤ 2.2uF
		0.02Hz ≤ 5.5uF
VLF-60/1.1	60KV/50mA	0.1Hz ≤ 1.1uF	283722cm,4kg	(331834cm, 25kg)*2	10A
		0.05Hz ≤ 2.2uF
		0.02Hz ≤ 5.5uF
VLF-70/0.5	70KV/55mA	0.1 Hz, ≤ 0.5µ F	283722cm,4kg	331834cm, 25kg;352036cm, 35kg	10A
		0.05Hz, ≤ 1.0µ F
		0.02Hz, ≤ 2.5µ F
VLF-80/0.5	80KV/60mA	0.1 Hz, ≤ 0.5µ F	283722cm,4kg	331834cm, 25kg 372439cm, 45kg	12A
		0.05Hz, ≤ 1.0µ F
		0.02Hz, ≤ 2.5µ F