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Wuhan Huaying Electric Power Tech & Science Co.,ltd
Manufacturer leader for electrical test equipment in central China.
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30/50/60/80KV Very Low Frequency Tester 80KV

30/50/60/80KV Very Low Frequency Tester 80KV

Place of Origin : Wuhan Hubei China
Brand Name : Huaying
Certification : ISO
Model Number : Huaying Series
MOQ : 1 Set
Price : primarytester@126.com
Packaging Details : Wooden Case
Delivery Time : 7 Working Days
Payment Terms : T/T L/C
Supply Ability : 200 sets per month
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1.Product Name:

Very Low Frequency Tester

2.Equipment Description:

The VLF testers (Generator) are suitable for
Testing cables, transformers, switchgear,
Rotating machinery, and other
Electrical apparatus.

3.Main Functions:


1. Easiest to use Fully automatic microcontroller
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

4. Safety Features:


1. 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.

5. Specifications:


1. Input: 220 ± 10% Volts AC, 50/60 Hz, single phase.
2. Output-Voltage. 80KV
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%

6. Models:


Type

Output
Voltage/Current

Load Capacity

Control Unit

Booster

Fuse Tube


Frequency/Capacitance

Dim.
(cm)

Wt
(kg)

Dim.
(cm)

Wt
(kg)

VLF-30/1.1

30KV/20mA

0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF

28× 37× 22

4

33× 18× 34

25

5A

VLF-40/1.1

40KV/30mA

0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF

28× 37× 22

4

35× 20× 36

35

6A

VLF-50/1.1

50KV/40mA

0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF

28× 37× 22

4

37× 24× 39

45

7A

VLF-60/1.1

60KV/50mA

0.1Hz ≤ 1.1uF
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF

28× 37× 22

4

33× 18× 34
33× 18× 34

25+25

10A

VLF-70/0.5

70KV/55mA

0.1 Hz, ≤ 0.5µ F
0.05Hz, ≤ 1.0µ F
0.02Hz, ≤ 2.5µ F

28× 37× 22

4


33× 18× 34
35× 20× 36

25+35

10A

VLF-80/0.5

80KV/60mA

0.1 Hz, ≤ 0.5µ F
0.05Hz, ≤ 1.0µ F
0.02Hz, ≤ 2.5µ F

28× 37× 22

4

33× 18× 34
37× 24× 39

25+45

12A



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