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Pinhole Detectors from Elcometer

Pinhole Detectors from Elcometer

Product Code:270


Need more Info? (514) 354-2511 - 1-800-463-4363

The Elcometer 270 range utilises the wet sponge technique and has been designed to set a new standard for wet sponge detectors - namely, a high quality, low voltage detector with similar accessories to a high voltage spark tester.
 

  • Supplied ready to use
  • Automatic voltage calibration & sensitivity checks
  • Low Battery indicator
  • Visual and audio alarms
  • Integral and separate wand functionality
  • A wide range of fully interchangeable wand accessories
  • Three model variants - single, dual or triple voltages
  • Easy release snag proof cables
  • Large standard sponge
  • Optional Inspector’s Kit available containing a range of accessories
     
Information
Pinhole & Porosity Detection
Premature corrosion of a substrate is usually due to the failure of the coating. A major cause of failure is the presence of flaws in the finished coating. Collectively referred to as a coating’s porosity the main types of flaw are described below:
 
  • Runs & Sags:
    The wet coating moves under gravity leaving a thin dry film.
     
  • Cissing:
    Occurs when a coating does not re-flow to cover the voids generated by air bubbles being released from the surface of a coating.
     
  • Cratering:
    Occurs when the substrate is wet or if the coating has poor flow characteristics, thus creating voids in the coating.
     
  • Pinholes:
    Caused either by air entrapment which is then released from the surface, or by the entrapment of particulates (dust, sand, etc.) which do not stay in place.
     
  • Over Coating:
    If too much coating is applied to a substrate, as the coating cures it can crack from internal stresses of the coating.
     
  • Under Coating:
    Areas are not coated, or the coating flows away from particular edges, corners of a substrate and welds. Furthermore over a rough surface profile, insufficient coating may leave the profile’s peaks exposed.

 

Standards
  • ASTM 3894.2
  • ASTM D 5162-A
  • ASTM G6
  • ASTM G62-A
  • BS 7793-2
  • ISO 8289 A
  • ISO 14654
  • NACE RP 0188
  • NACE SP 0188
  • NACE TM0384

 

Specifications
CAT. NO. ELD270-300 ELD270-200 ELD270-400
Volatge 9V and 90V 67.5V 9V, 67.5V & 90V
Maximum Measurement Range 500μm (20mils) 500μm (20mils) 500μm (20mils)
Sensitivity 9V: 90kΩ ±5%
90V: 400kΩ ±5%
67.5V: 125kΩ ±5% 9V: 90kΩ ±5%
67.5V: 125 kΩ ±5%
90V: 400 kΩ ±5%
Battery life (continuous use) 9V: Up to 200 hours
90V: Up to 80 hours
67.5V: Up to 100 hours 9V: Up to 200 hours
67.5V: Up to 100 hours
90V: Up to 80 hours
Battery Type 3 x AA (LR 1600) 1.5V Alkaline (NiMH rechargeable batteries can also be used,
battery life will be reduced by up to 75%)
Accuracy of Setting ±5%
Dimensions Without Wand: 210 x 42 x 37mm (8.3 x 1.7 x 1.5”)
Standard Wand: 175mm (6.9”) Long – including sponge
Flat Sponge: 150 x 60 x 25mm (6 x 2.4 x 1”) approximately
Weight 610g (21oz) – including wand, cable and batteries
Packing List Elcometer 270 Pinhole Detector, standard wand and sponge, 4m (13’ 2”) return lead
with crocodile clip, 3 x AA batteries and operating instructions

 

Accesories
Cat. No.   Description
T27016960 Roller Wand & Sponge
T27018051 Spare Roller Sponge Set with Washer & Clip
T27016867 Standard Wand with Flat Sponge
T27018050 Pack of 3 Rectangular Sponges, 150 x 60 x 25mm (6 x 2.3 x 1”)
T27018024 Wetting Agent, 50ml (1.7fl oz)
T27016999 Separate Wand Adaptor with Belt Clip
T27016998 Telescopic Handle with Belt Clip – Extends to 1m (39”)
T27016965 Extension Piece, 420mm (16.5”)
T99916996 Signal Return Cable and Storage Drum 10m (394”)
T27018191 Inspector’s Kit complete with: Separate wand handle & lead, roller wand, 10m (394”) signal return cable, extension piece (x2), telescopic extension, belt clip, wetting agent, flat sponge, roller sponge and AA batteries (x3)

Please note that the kit does not include the main instrument, simply add the model required to your order.
T27018025 Inspector’s Kit - Empty

 

Related Products
Elcometer 266 DC Holiday Detector:

The Elcometer 266 DC Holiday Detector provides accurate detection of pinholes, flaws, inclusions, thin spots and bubbles in a coating.
Elcometer 236 DC Holiday Detector:

The Elcometer 266 revolutionises high voltage DC testing of coatings porosity detection making it safer, easier and more reliable than ever before. 

Elcometer 260 Surefire ® Fluorescenator UV Pinhole Flashlight:

Designed to provide a quick, low cost method of testing coatings for pinholes.

 

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