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VLF PROOF TESTING SYSTEM : VLF-60

Test engineers and technicians need to proof test cables and switchgear after installation or rework to existing systems. The Adret range of proof testers was designed with simplicity of use and maximum operator safety in mind. The range offers many different models from DC to AC and VLF (very low frequency) as well as combination AC and DC models.

The VLF-60 provides a 60kV AC peak output voltage, suitable for VLF hipot testing 22kV cables and as a voltage source for partial discharge and tan delta testing of 22kV cable. In addition to the standard controls described, this model also contains a Cable Burn mode.

SPECIFICATION

Output Voltage 

60kV Peak (42kV RMS)/30mA

Sinusodial Output

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

Stability of frequency: Fluctuation < 0.5%
Measurement accuracy: ± 3%.
Positive and negative voltage peak errors: ≤ 3%.
Voltage waveform distortion: ≤ 5%

Dimensions

Control Unit 280×370×220mm. 4kg
Transformer 1 330×180×340mm. 25kg
Transformer 2 330×180×340mm. 25kg
Compensating Capacitor (For Short Cables) 300X300X700mm. 10kg

Test Environment

Temperature Indoor and outdoor: -10ºC to + 50ºC.
Humidity: ≤ 85%

Supply Voltage

230V 50Hz, 10A

ACCESSORIES

Connecting leads in soft carry bag
Mains lead
Telescopic discharge resistor
Units packaged in neat transport cases

DOWNLOAD BROCHURE

VISIT US

Adret Holdings (PTY) Ltd

5 Union Street

Roxton

Alberton North

Gauteng

1449

South Africa

TRADING HOURS

Monday-Thursday

7H30–17H00

Fridays

7H30-14H30

Weekends

Closed

CONTACT US

South Africa

Tel: +27 11 907 6473

Tel: +27 11 907 4475

Fax: +27 11 869 7987

sales@adret.co.za

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