PROOF TESTING SYSTEMS : AC SYSTEMS
3010PT

Proof test equipment
Test engineers and technicians need to prooftest 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.

Principles of Operation
All the units use the input voltage through a step up transformer to obtain the high AC voltages. In
case of DC output the AC is rectified through a suitable rectifier capable of withstanding the high
voltages. Some units use a combination of AC and DC that is switched to deliver AC or DC or both.
In the case of VLF equipment a pseudo sine wave is produced through a number of switches and
resistors.

The outputs are current limited and the unit automatically trips when a set limit is reached. When
this occurs the cable is discharged and made safe through a built in discharge resistor. In case the
circuit layout does not allow (in case of split units) the automatic discharge of the cable, a suitable
manual discharge resistor is supplied.  The units are portable and simple to operate. Tests are
possible to most well used ISO specifications.
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SPECIFICATIONS
Supply Voltage

Supply Current

Output Voltage

Output Current

Weight

Dimensions


Enclosure


Voltage Level
Adjustment

Meters

Trip Level
ACCESSORIES
Lid


Test Cables


Earth Lead

Mains Lead
220-240VAC

8A

0-30kV AC

10mA Continuous

40kg

420x280x400mm
Excluding lid

Aluminium, Electro statically
powder coated

Continuously variable


Voltage and Current

0-50mA (Factory Pre-set)
Aluminium with canvas
bag for test cables

5m HT lead with high
Current clamps

5m yellow/green

2m 3 core
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---------------------------------------------------------------
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APPLICATION
2510PT

Proof test equipment

Test engineers and technicians need to prooftest 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.

Principles of Operation
All the units use the input voltage through a step up transformer to obtain the high AC voltages. In
case of DC output the AC is rectified through a suitable rectifier capable of withstanding the high
voltages. Some units use a combination of AC and DC that is switched to deliver AC or DC or both.
In the case of VLF equipment a pseudo sine wave is produced through a number of switches and
resistors.

The outputs are current limited and the unit automatically trips when a set limit is reached. When
this occurs the cable is discharged and made safe through a built in discharge resistor. In case the
circuit layout does not allow (in case of split units) the automatic discharge of the cable, a suitable
manual discharge resistor is supplied The units are portable and simple to operate.
Tests are possible to most well used ISO specifications.
SPECIFICATIONS
Supply Voltage



Supply Current

Output Voltage

Output Current

Weight

Dimensions


Enclosure


Voltage Level
Adjustment

Meters

Trip Level
220-240VAC /
12V external battery supply
12V internal battery supply

5A

0-25kV DC

10mA Continuous

30kg

240mm x 400mm x 450mm
Excluding lid

Aluminium, Electro statically
powder coated

Continuously variable


Voltage and Current

50mA
APPLICATION
---------------------------------------------------------------
ACCESSORIES
Lid


Test Cables


Earth Lead

Mains Lead
Aluminium with canvas
bag for test cables

5m HT lead with high
Current clamps

5m yellow/green

2m 3 core
---------------------------------------------------------------
Don't have Adobe PDF Reader?
Download it here
3042PT

Proof test equipment
Test engineers and technicians need to prooftest 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.

Principles of Operation

All the units use the input voltage through a step up transformer to obtain the high AC voltages.
In case of DC output the AC is rectified through a suitable rectifier capable of withstanding the high
voltages. Some units use a combination of AC and DC that is switched to deliver AC or DC or both.
In the case of VLF equipment a pseudo sine wave is produced through a number of switches and
resistors. The outputs are current limited and the unit automatically trips when a set limit is
reached. When this occurs the cable is discharged and made safe through a built in discharge
resistor. In case the circuit layout does not allow (in case of split units) the automatic discharge
of the cable, a suitable manual discharge resistor is supplied

The units are portable and simple to operate. Tests are possible to most well used ISO
specifications.
SPECIFICATIONS
ACCESSORIES
Supply Voltage

Supply Current

Output Voltage

Output Current

Weight

Dimensions


Enclosure


Voltage Level
Adjustment

Meters

Trip Level
220-240VAC

8A

0-30kVAC, 0-42kVDC

10mA Continuous

40kg

420x280x400mm
Excluding lid

Aluminium, Electro statically
powder coated

Continuously variable


Voltage and Current

0-50mA Factory Pre-set
---------------------------------------------------------------
APPLICATION
Lid


Test Cables


Earth Lead

Mains Lead
Aluminium with canvas
bag for test cables

5m HT lead with high
Current clamps

5m yellow/green

2m 3 core
---------------------------------------------------------------
Don't have Adobe PDF Reader?
Download it here