Elektrophysik - High voltage Pinhole Detector - PoroTest 7
Elektrophysik - High voltage Pinhole Detector - PoroTest 7 Porosity / Pinhole Testers Coating / Paint Testing Malaysia, Selangor, Kuala Lumpur (KL) Supplier, Suppliers, Supply, Supplies | Obsnap Instruments Sdn Bhd
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Transportable high voltage Holiday Detector to locate pores, cracks and other faults in insulating materials (e.g. varnish, synthetic material, rubber, bitumen) on conductive substrates (e.g. steel, aluminium, earth-moist concrete constructions) as per DIN 55670.

The Holiday Detector, PoroTest 7, is specially designed to test functionally critical insulating layers, e.g. inner and outer linings of tanks and pipelines in the field of petrochemicals, anti-corrosion coatings in shipbuilding, protective coatings of sewage tanks etc.

The electronically controlled high voltage source unfailingly prevents the test voltage from exceeding and dropping below limit, a feature not provided in low-cost devices. Exceeding the limit can cause damage to the coating to be tested; dropping below the limit prevents detection of pores.

A wide range of special electrodes are available; we can also fabricate customised inner, outer and plate electrodes as per application requirement of the client.

Overview

Application

Non-destructive detection of pores, cracks and other faults in insulating coatings on conductive substrates.

Features

  • Testing of insulating coatings in a thickness range of 30 µm to 11.3 mm
  • Electronically stabilized high voltage for reliable/safe detection of faults
  • Wide range of application-specific testing electrodes
  • Testing voltage 0.5 – 35 kV
  • User guidance in 4 languages (German, English, French, Spanish)
  • Audio and visual alarm
  • Compact design enables use even on the scaffolding
  • Electrical safety as per VDE 0411, Part 1
  • Power supply either by batteries or mains connection

Scope of Delivery

  • Holiday Detector, PoroTest 7, with integrated battery
  • Connecting cable Holiday Detector - high voltage probe
  • Metallic sweeper electrode
  • Equipotential cable 5 m
  • Power cable
  • Shoulder belt
  • Operating instructions
  • Plastic carrying case
Technical details

Property Value
Operating range
P7: 0.5 kV - 7 kV
P35: 6 kV - 35 kV
Coating thickness
P7: 0.03 mm - 1.7 mm
P7: 1 mils - 67 mils
P35: 1.4 mm - 11.3 mm
P35: 55 mils - 444 mils
Voltage
DC
Test voltage indication
LC-Display, 3-digit
Accuracy of voltage setting
± 0.1 kV - + 3 %of reading
Dimensions and weight
High voltage probe: 274 mm x 63 mm (l x dia)/550 g 10.8“ x 2.48“/1.2 lbs/19.4 oz.
Control unit: 225 mm x 150 mm x 85 mm (L x W x H)/1400 g / 8.87“ x 5.9“ x 3.35“ (L x W x H)/3 Ibs/49 oz.
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
P7: ~ 20 h
P35: ~ 10
Storage battery charging time
4 hquick charge
Mains Voltage
110 V - 230 V
50 Hz - 60 Hzautomatic switch
Operating temperature
0 °C - 50 °C
32 °F - 122 °F
Humidity
avoid dew on the surface (refer to DIN 55 670)
Standards
DIN 55 670, DIN 50191 (VDE 0104), DIN EN 61010/Part 1 (VDE 0411/Part 1)

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