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PoroTest 7 High voltage porosity detector


Made in GermanyThe PoroTest 7 can be used for non-destructive porosity testing of all insulating coatings on conductive substrates such as steel, aluminium, etc. The test instrument consists of a high voltage probe with an integrated high voltage generator and a test electrode, which is simply connected to the probe. The test voltage control works automatically and is specific to the thickness of the material to be tested and vice versa.

The control unit features a digital display and control pad. The control unit housing is fully portable and made of rugged ABS plastic with an integrated handle. The high voltage probe and control unit are connected via a rugged cable. To detect porosity, the appropriate test voltage specific to the material thickness is set on the control unit which applies, when activated, a spark discharge at the moment a material flaw is detected. In addition to the spark discharge, flaws are indicated by a visible and audible signal and counted. The test voltage is directly indicated on the digital display.

Typical applications: Testing linings and coatings applied on ducts, pipes, hulls, oil and storage tanks, enamel, paint, rubber and bitumen linings, vessels and tanks, GFK and other plastic materials.
 

3 high voltage probes for different coating thicknesses available (not included):
P7: 0.03 mm – 1.7 mm / 1 mils – 67 mils
P30: 0.52 mm – 9.49 mm / 20.5 mils – 373.6 mils
P35: 1.4 mm – 11.3 mm / 55 mils – 444 mils


Features

  • Powerful and versatile gauge with new ergonomic design making it ideal for on-site testing
  • User-friendly key-pad layout with menu driven operation
  • Variable pre-set test voltages specific to material thickness
  • High voltage probe with equipment-on and pore indicator (red LED)
  • Light-weight and hand-held test electrodes provide convenient operation
  • Test method conforms to DIN 55 670
  • Backlit display to indicate current test voltage, number of pores and material thickness
  • Residual voltage indicator
  • Alarm signal when exceeding pore limit setting (Limit)
  • Power supply: AC operated or battery operated via integrated storage battery (C-cells)
  • Electrical safety provisions according to VDE 0411, part 1: probe voltage and maximum discharge rate stay below the limit values as specified by the safety standard.
  • Low-battery indicator

Complete Kit

The PoroTest 7 will be delivered as a complete kit, including:

  • Control unit with integrated storage battery
  • Connecting cable probe-control unit
  • Metal sweeper electrode
  • Equipotential cable, 5 m (16 ft) length
  • Power cable
  • Shoulder belt
  • Plastic carrying case
  • Manual, available in English, German and French

 



360 degree photo


Test principle

Move the high voltage search electrode smoothly over the surface. The flaws are detected through spark discharge to the conductive substrate. Test results are shown directly on the digital display.

Test voltage can be adjusted from 500 Volt to 35.000 Volt. The instrument has been designed for testing insulating materials from approx. 30 microns to 11.3 mm (1 mils - 444 mils) thickness.

Specifications

Voltage
DC
Display
LC-Display, 3-digit
Accuracy of voltage setting
± (0.1 kV + 3% of reading)
Dimensions of high voltage probe
274 mm x 63 mm
Dimension of control unit
225 mm x 150 mm x 85 mm
Weight high voltage probe
550 g
Weight control unit
1400 g
Alarm signal
90 dB, 0.1 s/Pore, continuous tone in case of short-circuit
Signal output
potential free, Umax.: 100 V, Imax.: 0.4 A
Storage battery
4 C-cells, IEC LR 14, 3.5 Ah, NiMH, replaceable
Storage battery life at maximum voltage
PoroTest 7-P7: 20 hours continious operation
PoroTest 7-P30 & P35: 10 hours continious operation
Storage battery charging time
4 hrs quick charge
Mains voltage
110 to 230 V, 50/60 Hz, automatic switch
Operating temperature
0° … +50°C/ 32°…122°F
Humidity
avoid dew on the surface (refer to DIN 55 670)
Standards
DIN EN ISO 2746, DIN 55 670, ASTM D 5162-01, AS 3894.1-2002

Downloads


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Product


Product name
Price
Quantity
PoroTest 7 Porosity Detector
€ 1.895,00 
   
 

Accessories


Product name
Price
Quantity
P7 - PoroTest P7 High tension electrodes - 0.5 ... 7 kV - 0,03...1,7 mm
€ 1.195,00 
   
P30 - PoroTest P30 High tension electrodes - 3 ... 30 kV - 0,5...9 mm
€ 1.535,00 
   
P35 - PoroTest P35 High tension electrodes - 5 ... 35 kV - 1.4...11.3 mm
€ 1.535,00 
   
Silicon Electrode 200 mm - PoroTest Silicon Electrode 200 mm
€ 95,00 
   
All mentioned prices are excluding VAT & excluding shipment costs.
Availability: Available , preorder 1-2 weeks , special order, request
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