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Porosity Detector
Holiday Detector are employed in the non-destructive detection and location of pinholes, bare spots or thin points in protective coatings applies for corrosion protection over metal and concrete (conductive) surfaces.
Porosity Detector

Application
With corrosion an extremely costly and disruptiveworldwide problem, preventative determination becomes essential.

For newly constructed tanks, pipelines and otherinstallations, where corrosion prevention coatings have had to be applies,specifications will normally. Meanwhile, as well as apply in porcelain enamelindustry.

Call for a specific coating to a specific thickness. By using our Detector to verify the competency of the sealing coatings, thecontractor can be assures that his coatings responsibility has beenmet. In terms of cost effectiveness, with the low capital and operating costsof the Detector, the contractor will have some protection from claims at a verylow price. 

Measurement principle

Holiday detector provides certain impulse-voltageon the surface of protective coating or painting, where covered above the metalmaterial basement. If the protective layer exists pinholes or the coating istoo thin, the detector will release sparkle and give impulse signal to alarm component.The alarm component will beep and beep, and point out harmful points to theoperator.

Parameter

Item

PD 30A

PD 30

PD 80

Measurement range

0.03～1mm

0.05mm~10.0mm

0.05mm~10.0mm

Output Voltage

500v～8000v

0 .5kv to 30kv

0 .5kv to 30kv / Leak count 

Display

voltage value

Battery

12V/2800mA

Power Consumption

6W

LCD Display

3 bit

Backlight

Yes

Alarm function

Earphone and  buzzer alarm

Size

220mm x 130mm x 88mm

Weight

2.2kg

Standard Delivery

Item

Qty

Item

Qty

Detector Unit

1 pc

Fuse

3 pcs

Probe Handle

1 pc

Earth lead

1 pc

Flat brush

1 pc

Charger

1 pc

Fan brush

1 pc

Kit Case

1 pc

Connector for brushes

1 pc

Instruction manual

1 pc

Air-operated Earphones

1 pc

Warranty card

1 pc

Shoulder & wrist harness

1 pc

Certificate

1 pc


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