PCWI DC15 Operator's Handbook Manual
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PCWI DC15 Operator's Handbook Manual

Porosity (holiday) detectors
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®
Operator's Handbook
For
Compact
High Voltage
DC15 & DC30
POROSITY (HOLIDAY) DETECTORS
Can be used in accordance with:
Australian Standard AS3894.1
ASTM G62, ASTM D5162, ASTM D4787, NACE SP0274,
NACE SP0490, NACE SP0188, ANSI/AWWA C213,
ANSI/AWWA C214, ISO 2746
CE Marked PCWI Compact Detectors comply with the requirements
of EMC Directives 89/336/EEC EMC and its amending directives.

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Summary of Contents for PCWI DC15

  • Page 1 Can be used in accordance with: Australian Standard AS3894.1 ASTM G62, ASTM D5162, ASTM D4787, NACE SP0274, NACE SP0490, NACE SP0188, ANSI/AWWA C213, ANSI/AWWA C214, ISO 2746 CE Marked PCWI Compact Detectors comply with the requirements of EMC Directives 89/336/EEC EMC and its amending directives.
  • Page 2 POROSITY DETECTOR ACCURACY: +5% of reading or + 50V below 1kV (Note: at the time PCWI tested the Porosity Detector at the reference temperature & humidity). Refer to the PCWI Manufacturer’s Calibration Certificate provided with the Porosity Detector. Range: 0kV to 30kV...

  • Page 3: Table Of Contents

    Please consult these operating instructions before use. CONTENTS 1.0 Safety Precautions 2.0 Operation 3.0 Specifications 4.0 Control Panel Layout 5.0 Voltage Recommendations 6.0 Troubleshooting 10-11 7.0 Optional Accessories 12-13 8.0 PCWI NiMH Battery & Charger Clip 14-15 9.0 Warranty 10.0 Service & Maintenance...
  • Page 4 Electrodes (probes) - extending the versatility of the Compact from large to small and from accessible to inaccessible surfaces. PCWI, in a continuing desire to achieve the maximum in corrosion detection competence, welcomes user enquiries and recommendations. Yours sincerely...

  • Page 5: Safety Precautions

    1.0 SAFETY PRECAUTIONS: All hand-held high voltage test equipment should be operated by responsible, trained and authorised personnel. The unit must be earthed to both the item under test and to ground. CAUTION The Detector output can be up to 35,000 volts. Should the operator accidentally make contact with the test electrode, they may experience a mild shock or zap, and in order to avoid this possibility, the wearing of rubber gloves is recommended.

  • Page 6: Operation

    Coating Thickness Range Applied coats should be cured, thickness tested, visually inspected and accepted – before high voltage porosity testing is carried out. Coating thickness should be above 150µm; coatings below this thickness should be tested with a wet sponge unit. 2.0 OPERATION Connect the probe and earth leads to the unit.

  • Page 7: Specifications

    Ω Use of copper cored leads will void warranty. 3.0 SPECIFICATIONS Weight: 2.2kg Display: LCD 3¾ digits with battery indicator Voltage 0 to: DC15: 15kv DC30: 30kv Resolution: Short circuit: Test current less than 0.5mA Power supply: 3Ah Slide-off Recharge Time: 400mA for 10hrs.

  • Page 8: Control Panel Layout

    4.0 CONTROL PANEL LAYOUT LCD display (including battery condition indicator) Voltage control (10 turn) Visual alarm indicates when fault is found On switch Off/test switch Sensitivity control for the alarm Audible alarm when fault is found High Voltage probe connector Fuse (1.6A slow blow) 5 x 20mm 10 Earth connection point 11 Slide-off power pack...

  • Page 9: Voltage Recommendations

    5.0 VOLTAGE RECOMMENDATIONS AS 3894.1 recommends minimum voltages for testing specified thickness of film of various Coating Products Tables 1 and 2 below provide guidance for determination of minimum voltage for high voltage porosity testing of the indicated generic types of coating products, at the indicated dry film thicknesses which may contain residual solvents.
  • Page 10 International Standard NACE SP0274 derived table Table 3 below is derived from a NACE standard and should be used as a guide only. Minimum Testing Voltage for Various Coating Thicknesses kilo Volts 0.51 0.79 Table 3 The above table should be taken as a GUIDE only. It is recommended that the whole of this standard be used.

  • Page 11: Troubleshooting

    6.0 TROUBLESHOOTING In order to ensure that your Compact Porosity Detector is operating to specification, the Detector handle and lead should be checked prior to use. Use the following procedure: Unscrew the neon holder from the handle. Using a multimeter, complete the circuit and check the resistance at both the handle 1 and the high voltage plug 2.

  • Page 12: Operation

    Symptom Cause Solution No Display Flat battery Recharge battery No Power - fuse not fitted Fit fuse Display shows -1 Voltage higher than display Decrease voltage capacity Display erratically shows -1 Display drops to -1 when fault Normal operation found Display voltage drops Slightly conductive, damp or Wash and clean the surface...

  • Page 13: Optional Accessories

    DC Detector output voltage. DC Crest Meter includes Calibration Certificate. Brushes & Coils PCWI manufacture brushes and coils to suit your needs. 50mm (2in) to 600mm (24in) wide flat brushes. 25mm (1in) to 500mm (20in) Spiral wound and Disc Internal circular pipeline brushes.
  • Page 14 60mm, 125mm, 200mm, 450mm connectors for flat or external pipeline brushes. Coil Joiners Fan Brushes Additional Accessories Spare slip-out power packs. 7m Earth lead with clamp. 10m trailing Earth lead (1m plastic encased). Spare neon light holders and neon's See www.pcwi.com.au for more details.

  • Page 15: Pcwi Nimh Battery & Charger Clip

    PCWI NiMH Battery + Charger Clip BC-1 The BC-1 charging clip is for use with the PCWI NiMH Battery Pack and PCWI Charger PA-1015 Only. Indicator Light Operation. RED = Charging GREEN = Charged Flashing Red Green = Battery Conditioning.
  • Page 16 PCWI NiMH battery Pack NiMH Battery Pack Warning label...

  • Page 17: Warranty

    This warranty does not cover any service that is needed after an accident, alterations, misuse, fire or floods. This warranty is the only one given by PCWI and no one has the authority to change, or add to, the obligations and liabilities listed in it.

  • Page 18: Service & Maintenance

    10.0 SERVICE AND MAINTENANCE AUTHORISED SERVICE REPRESENTATIVE To enable speedy “return to service” whether under warranty or otherwise, PCWI have appointed your distributor as a service centre and have provided all relevant information and recommended parts to be carried to assist distributor’s technical staff carry out this essential part of the PCWI customer service.
  • Page 19 Notes:...
  • Page 20 CARDIFF NSW 2285 Intl: +61 2 4954 3900 Newcastle AUSTRALIA Fax: (02) 4954 3999 Postal: PO Box 900 Email: sales@pcwi.com.au HUTER REGION MC NSW 2310 Web: www.pcwi.com.au P:\Instruction Manuals\Manual - PCWI\DOM DC15 & DC30 (4 Oct 2016) NiMH Battery (V4).pdf...

This manual is also suitable for:

Dc30

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