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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.
For any assistance or custom configurations, contact BlastOne directly or use the live chat feature in the bottom right of your browser window.
Adhesion Testing
Air Leak Testing
Calibration
Coating Thickness
Concrete Moisture
Environmental Conditions
Gloss Measurements
Hardness Testing
Inspection Accessories
Inspection Kits
Oven Profile
Surface Contamination
Surface Profile
Verification Standards
Wall Thickness
Showing 1–15 of 24 results
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INDHHDHCBRSH5BlastOne 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: HHDHCBRSH5INDHHDHCBRSH5BlastOne 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: HHDHCBRSH5Part Number Purchase Price INDHHDHCBRSH5 $195.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$195.00
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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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INDLPDREDWIREThis 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: LPEDREDWIREINDLPDREDWIREThis 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: LPEDREDWIREPart Number Purchase Price INDLPDREDWIRE $25.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$25.00
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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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INDHHDSTRAPThe 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).INDHHDSTRAPThe 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).
Part Number Purchase Price INDHHDSTRAP $15.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$15.00
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The PosiTest® HHD Series High Voltage Holiday Detector Kits (SKU: P-INDHHDKIT) deliver precision flaw detection for coatings, linings, and membranes thicker than 10 mils (250 microns). Featuring advanced pulse and continuous DC technology, these kits ensure efficient detection of holidays, porosity, pinholes, and other discontinuities.
Key Features:
- Advanced pulse and continuous DC technology for unmatched flaw detection
- Lightweight, ergonomic design for extended usability
- Automatic voltage calculator based on coating thickness
- Multiple electrode options, including rolling spring and flat wire brush electrodes
- Certified accuracy with Long Form Certificate of Calibration included
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INDHHDCEXTROD
- 17" Rod
- For use with PosiTest HHD C
- Genuine DeFelsko product
INDHHDCEXTROD- 17" Rod
- For use with PosiTest HHD C
- Genuine DeFelsko product
Part Number Purchase Price INDHHDCEXTROD $125.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$125.00
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INDLPDEXTBlastOne 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: LPDEXTRODINDLPDEXTBlastOne 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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INDLPDACCPKBlastOne 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
INDLPDACCPKBlastOne 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
Part Number Purchase Price INDLPDACCPK $750.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$750.00
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- Adaptable Sponge Hardware
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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.
INDLPDCBLDWANDBlastOne 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.
Part Number Purchase Price INDLPDCBLDWAND $60.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$60.00
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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
INDLPDVERIFYBlastOne 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
Part Number Purchase Price INDLPDVERIFY $685.00 Web price iPlease sign in to your account to see your pricing, which may be different from the price displayed.$685.00
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INDLPDWETBlastOne 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
INDLPDWETBlastOne 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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BlastOne offers all DeFelsko testing equipment, accessories, and supplies. Pinhole Holiday 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
- Adaptable Sponge Hardware
- Includes all contents of Basic Kit, plus:
Note: We also carry Defelsko HHD High voltage holiday detectors for work on thicker coatings from 8 mils and up.
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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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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
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.