Pinhole / Holiday Testing

DeFelsko® PosiTest® Pinhole and Holiday Detectors offer a comprehensive solution for identifying coating flaws. Whether you require low voltage detectors for thinner coatings or high voltage detectors for thicker applications, our products ensure precise and efficient testing. Enhance your detection capabilities with our range of electrodes, replacement batteries, and specialized accessories like wetting agents and grounding posts.

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Showing 1–15 of 24 results

  • DeFelsko PosiTest® HHD Half-Circle Brush Electrode
    INDHHDHCBRSH5
    BlastOne offers all instruments and accessories from the DeFelsko range on-line, for easy ordering, access to operational manuals, and more. This half-circle electrode for the PosiTest HHD is the latest innovation from DeFelsko, offering easier use on small pipes with flanges and other protrusions. MPN:  HHDHCBRSH5
    INDHHDHCBRSH5
    BlastOne offers all instruments and accessories from the DeFelsko range on-line, for easy ordering, access to operational manuals, and more. This half-circle electrode for the PosiTest HHD is the latest innovation from DeFelsko, offering easier use on small pipes with flanges and other protrusions. MPN:  HHDHCBRSH5

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    $195.00

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    INDHHDHCBRSH5
    $195.00
    DeFelsko PosiTest® HHD Half-Circle Brush Electrode

    Part #INDHHDHCBRSH5

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    $195.00

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  • DeFelsko® PosiTest® HHD Verifiers
    BlastOne offers all DeFelsko instruments and accessories on-line for easy access to operation manuals, ordering, and more. This group of products are stand-alone voltage testers for the High Voltage Holiday Detectors.  Although the PosiTest® HHD units have built-in voltmeters with a traceable calibration certificate, other brands may not, and some standards call for standalone voltmeter verification. Two versions are available, as follows:
    • MPN: HHDVERIFY, for all Pulse-type holiday detectors in the range from 500 to 35,000 volts.
    • MPN:  HHDCVERIFY, for all Continuous-type holiday detectors in the range from 500 to 30,000 volts.
    Note:  Each unit comes ready-to-use with verifier, 1.8m (6 ft) ground wire, batteries, and more.

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    $675.00 - $690.00

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    $675.00$690.00
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  • DeFelsko® Red Wire for LPD Wand / Pole
    INDLPDREDWIRE
    This 15' (4.5m) connection wire (for the wand or paint pole), which is included with the LPD accessory pack or the LPD Cabled Wand kit, is also available separately here. MPN:  LPEDREDWIRE
    INDLPDREDWIRE
    This 15' (4.5m) connection wire (for the wand or paint pole), which is included with the LPD accessory pack or the LPD Cabled Wand kit, is also available separately here. MPN:  LPEDREDWIRE

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    $25.00

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    INDLPDREDWIRE
    $25.00
    DeFelsko® Red Wire for LPD Wand / Pole

    Part #INDLPDREDWIRE

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    $25.00

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  • DeFelsko® Replacement Batteries for PosiTest® HHD Series
    BlastOne offers all DeFelsko testing instruments and consumables with easy, on-line ordering capability. This product group includes the Li-Ion batteries used in either the PosiTest HHD or the PosiTest HHD C.

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    $80.00 - $170.00

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    $80.00$170.00
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  • DeFelsko® Shoulder Strap for PosiTest® HHD
    INDHHDSTRAP
    The DeFelsko HHD shoulder strap, which is included in the full HHD kit, is available separately as a replacement item (or as an optional add-on when purchasing the basic HHD kit).
    INDHHDSTRAP
    The DeFelsko HHD shoulder strap, which is included in the full HHD kit, is available separately as a replacement item (or as an optional add-on when purchasing the basic HHD kit).

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    $15.00

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    INDHHDSTRAP
    $15.00
    DeFelsko® Shoulder Strap for PosiTest® HHD

    Part #INDHHDSTRAP

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    $15.00

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  • PosiTest® HHD Series High Voltage Holiday Detector Kits
    The PosiTest® HHD - DeFelsko's solution for detection of holidays, porosity, pinholes, leaks and other discontinuities in coatings and linings that are more than 10 mils (250 microns) thick.
    • Advanced pulse or continuous DC technology
    • Lightweight and ergonomic design
    • Auto voltage calculator based on coating thickness
    • Multiple electrode options with custom availability
    • Long Form Certificate of Calibration included
    Available in 4 Kit options as follows:
    • PosiTest HHD Kit (2 versions)
      • Stick-type with Pulsed DC Output
      • 72 Wh Li-ion battery pack with built-in charge indicator
      • Durable Pelican Storm Case
      • 20" Electrode Rod (or substitute 5" Electrode, with suffix -S after the part number)
      • Shoulder Strap
      • 25' earthing cable and smart charger with universal AC voltage input
    • PosiTest HHD Basic Kit (same as above HHD kit except for the following)
      • 36 Wh Li-ion battery pack instead of 72 Wh
      • Hard Shell Case instead of Pelican Case
      • 5" Electrode Rod
    • (Note - the above HHD instruments can be converted to wand configurations, aiding in testing hard-to-reach areas, by adding the optional HHDWAND Handheld Wand.)
    • PosiTest HHD C Kit
      • Wand-type with Continuous DC Output
      • 18650 Li-ion Batteries (4)
      • Hard Shell Case
      • Extension rod is not required, but available
    Several options are available for PosiTest HHD instruments, including: Note:  For coating thicknesses between 0 and 20 mils (0-500 microns), the PosiTest LPD is recommended.

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    $2,995.00 - $3,845.00

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    $2,995.00$3,845.00
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  • Extension Rod
    INDHHDCEXTROD
    • 17" Rod
    • For use with PosiTest HHD C
    • Genuine DeFelsko product
    INDHHDCEXTROD
    • 17" Rod
    • For use with PosiTest HHD C
    • Genuine DeFelsko product

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    $125.00

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    INDHHDCEXTROD
    $125.00
    Extension Rod

    Part #INDHHDCEXTROD

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    $125.00

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  • DeFelsko® PosiTest® LPD Extension Rod
    INDLPDEXT
    BlastOne offers all parts and accessories for DeFelsko testing instruments. This extension rod accessory extends the reach of the PosiTest® Low Voltage Pinhole Detector by 12" (305mm).  Multiple extensions can be connected together to further extend the reach. MPN:  LPDEXTROD
    INDLPDEXT
    BlastOne offers all parts and accessories for DeFelsko testing instruments. This extension rod accessory extends the reach of the PosiTest® Low Voltage Pinhole Detector by 12" (305mm).  Multiple extensions can be connected together to further extend the reach. MPN:  LPDEXTROD

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    $60.00

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    INDLPDEXT
    $60.00
    DeFelsko® PosiTest® LPD Extension Rod

    Part #INDLPDEXT

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    $60.00

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  • DeFelsko® PosiTest® LPD Accessory Pack
    INDLPDACCPK
    BlastOne offers all DeFelsko testing instruments, accessories, and supplies. This pack includes adaptable sponge hardware and accessories to convert the Basic Kit to the Complete Kit. It includes the following:
    • Adaptable Sponge Hardware
      • Roller
      • Internal Diameter
      • 8" x 8" (20 cm x 20 cm) Sheet Sponge for custom usages
      • Wetting Agent
    • Extension Accessories
      • Extension rods provide an additional 2' (0.6 m) of reach
      • Universal adapters to extend existing paint rollers and poles
      • 40' (12 m) Ground Wire
      • Magnetic Grounding Post
    • Hard Shell Carrying Case
    MPN:  LPDACCPK
    INDLPDACCPK
    BlastOne offers all DeFelsko testing instruments, accessories, and supplies. This pack includes adaptable sponge hardware and accessories to convert the Basic Kit to the Complete Kit. It includes the following:
    • Adaptable Sponge Hardware
      • Roller
      • Internal Diameter
      • 8" x 8" (20 cm x 20 cm) Sheet Sponge for custom usages
      • Wetting Agent
    • Extension Accessories
      • Extension rods provide an additional 2' (0.6 m) of reach
      • Universal adapters to extend existing paint rollers and poles
      • 40' (12 m) Ground Wire
      • Magnetic Grounding Post
    • Hard Shell Carrying Case
    MPN:  LPDACCPK

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    $750.00

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    INDLPDACCPK
    $750.00
    DeFelsko® PosiTest® LPD Accessory Pack

    Part #INDLPDACCPK

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    $750.00

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  • DeFelsko® PosiTest® LPD Cabled Wand
    INDLPDCBLDWAND
    BlastOne carries all DeFelsko instruments, supplies, & accessories. This accessory converts the PosiTest LPD low-voltage pinhole detector into a cabled wand style unit and is compatible with the rectangular and roller sponge hardware (not included). The unit comes complete with the remote wand handle and a 5' (1.5m) hot-wire cable.
    INDLPDCBLDWAND
    BlastOne carries all DeFelsko instruments, supplies, & accessories. This accessory converts the PosiTest LPD low-voltage pinhole detector into a cabled wand style unit and is compatible with the rectangular and roller sponge hardware (not included). The unit comes complete with the remote wand handle and a 5' (1.5m) hot-wire cable.

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    $60.00

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    INDLPDCBLDWAND
    $60.00
    DeFelsko® PosiTest® LPD Cabled Wand

    Part #INDLPDCBLDWAND

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    $60.00

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  • DeFelsko® PosiTest® LPD Verifier
    INDLPDVERIFY
    BlastOne stocks all accessories and supplies for DeFelsko testing instruments. This PosiTest LPD verifier is designed to check the accuracy of the low-voltage pinhole detector. In addition to checking accuracy, the Verifier can be used to calibrate the LPD if used in conjunction with a digital multimeter (not included). Each PosiTest LPD Verifier comes complete with a Decade Box, connection cable, and instructions. MPN:  LPDVERIFY
    INDLPDVERIFY
    BlastOne stocks all accessories and supplies for DeFelsko testing instruments. This PosiTest LPD verifier is designed to check the accuracy of the low-voltage pinhole detector. In addition to checking accuracy, the Verifier can be used to calibrate the LPD if used in conjunction with a digital multimeter (not included). Each PosiTest LPD Verifier comes complete with a Decade Box, connection cable, and instructions. MPN:  LPDVERIFY

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    $685.00

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    INDLPDVERIFY
    $685.00
    DeFelsko® PosiTest® LPD Verifier

    Part #INDLPDVERIFY

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    $685.00

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  • DeFelsko® PosiTest LPD Wetting Agent
    INDLPDWET
    BlastOne carries all DeFelsko instruments, supplies, and accessories. This product is designed for use with the PosiTest LPD.  It aids detection of very small pinholes by lowering the surface tension of the water.
    • Includes two 60mL bottles
    INDLPDWET
    BlastOne carries all DeFelsko instruments, supplies, and accessories. This product is designed for use with the PosiTest LPD.  It aids detection of very small pinholes by lowering the surface tension of the water.
    • Includes two 60mL bottles

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    $25.00

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    INDLPDWET
    $25.00
    DeFelsko® PosiTest LPD Wetting Agent

    Part #INDLPDWET

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    $25.00

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  • PosiTest® LPD Low Voltage Pinhole Detector
    BlastOne offers all DeFelsko testing equipment, accessories, and supplies. Pinhole detectors (aka Spark Testers) such as this PosiTest® LPD, detect holidays, pinholes, and other discontinuities on metal and concrete substrates. The DeFelsko LPD Low Voltage series is designed for coating thickness up to 20 mils.  Some of the features include:
    • GroundSense™, to visually confirm instrument is properly grounded
    • 4 voltage operation ranges
    • Weatherproof, dustproof, and shockproof
    • Long Form Certificate of Calibration included
    2 stick kit versions available as follows:
    • PosiTest LPD Basic Kit 
      • Base Tube
      • 3 AAA Batteries
      • Rectangle Sponge Hardware
      • Rectangle Sponge
      • 15' (4.5 m) Ground Wire
      • Insulating Collar
      • Ear Bud
      • Wrist Strap
      • Carabiner
      • Hard Shell Case
    • PosiTest LPD Complete Kit
      • Includes all contents of Basic Kit, plus:
        • Adaptable Sponge Hardware
          • Rectangle (Flat)
          • Roller
          • Internal Diameter
          • Additional 8" x 8" (20 cm x 20 cm) Sheet Sponge for custom usages
          • Wetting Agent
        • Extension Accessories
          • Extension rods provide an additonal 2' (0.6 m) of reach
          • Universal adapters to extend existing paint rollers and poles
          • 40' (12 m) Ground Wire
          • 15' (4.5 m) Hot Wire
          • Magnetic Grounding Post
    Note:  We also carry Defelsko HHD High voltage holiday detectors for work on thicker coatings from 8 mils and up.

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    $475.00 - $1,220.00

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    $475.00$1,220.00
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  • DeFelsko LPD Adaptable Sponge Hardware / Sponge Options
    BlastOne stocks all accessories and supplies for the DeFelsko PosiTest® LPD pinhole detectors.  This category has the replacment sponges and sponge hardware.  Details as follows:
    • Adaptable sponge hardware for a variety of test configurations
    • 8" and 18" square sheet sponges for cutting custom shapes
    • 7" and 24" wide roller wands, including initial sponges
    • Replacement sponges to use in rectangular or roller holders. Note:  roller sponges are 30mm wide, with 6 being used in the 7" wand, and 19 being used in the 24" wand.

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    $15.00 - $175.00

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    $15.00$175.00
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  • DeFelsko® Conductive Rubber Paddle
    INDHHDPAD
    • Use with rolling spring electrodes to precisely locate holidays
    • Manufacturer part# HHDPADDLE
    • Made in the USA
    • Note: Accidental contact with the electrode may result in an electric shock. Use with caution
    INDHHDPAD
    • Use with rolling spring electrodes to precisely locate holidays
    • Manufacturer part# HHDPADDLE
    • Made in the USA
    • Note: Accidental contact with the electrode may result in an electric shock. Use with caution

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    $75.00

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    INDHHDPAD
    $75.00
    DeFelsko® Conductive Rubber Paddle

    Part #INDHHDPAD

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    $75.00

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Ensure the integrity of your coatings with DeFelsko® PosiTest® Pinhole and Holiday Detectors. Our advanced detection solutions are designed to identify holidays, pinholes, leaks, and other discontinuities in both low and high voltage applications. Featuring versatile configurations, including handheld wands and stick-type kits, these detectors provide accurate and reliable results for coatings on metal and concrete substrates.

With a range of accessories like electrodes, extension rods, and calibration verifiers, our detectors are ideal for maintaining high-quality standards in industrial coating applications.