PosiTest LPD
Model No. :
Brand : Defelsko
The PosiTest LPD is a robust, low-voltage (wet sponge) holiday detector designed for non-destructive inspection of thin protective coatings applied over metal and concrete substrates. It is optimized to quickly identify pinholes, cracks, and other discontinuities (holidays) that could compromise substrate integrity and lead to early corrosion or failure.
- Visibly confirms instrument is properly grounded
- Four precise voltage output options available
- Rugged weatherproof design exceeds IP65 standard
− Features
Simple
- Easy-to-use interface with bright, multi-function LEDs
- Ready to measure—both kits come with everything needed for testing
- Audibly and visibly alerts when flaws are detected
- Light, ergonomic design
Versatile
- A wide range of adaptable sponge hardware for a variety of test configurations
- Common threads and connectors allow for maximum flexibility
- Headphone jack with included earbud for noisy environments
- Uses 3 AAA alkaline or rechargeable batteries
- 4 voltage output options conform to a variety of standards
Durable
- Rugged, environmentally sealed enclosure
- Weatherproof, dustproof and shockproof—meets or exceeds IP65
Accurate
- Automatic self-test verifies voltage calibration
- Regulated voltage outputs will not drop under load
- Long Form Certificate of Calibration included
- GroundSense™ visibly reassures the user that the instrument is properly grounded
- Conforms to international standards including ISO, ASTM and NACE
+ Technical Specifications
+ Standards
+ Resources
+ Videos
+ FAQs
Features
Simple
- Easy-to-use interface with bright, multi-function LEDs
- Ready to measure—both kits come with everything needed for testing
- Audibly and visibly alerts when flaws are detected
- Light, ergonomic design
Versatile
- A wide range of adaptable sponge hardware for a variety of test configurations
- Common threads and connectors allow for maximum flexibility
- Headphone jack with included earbud for noisy environments
- Uses 3 AAA alkaline or rechargeable batteries
- 4 voltage output options conform to a variety of standards
Durable
- Rugged, environmentally sealed enclosure
- Weatherproof, dustproof and shockproof—meets or exceeds IP65
Accurate
- Automatic self-test verifies voltage calibration
- Regulated voltage outputs will not drop under load
- Long Form Certificate of Calibration included
- GroundSense™ visibly reassures the user that the instrument is properly grounded
- Conforms to international standards including ISO, ASTM and NACE
Technical Specifications
| Voltage Setting | 9V ± 5% | 9V ± 5% | 67.5V ± 5% | 90V ± 5% |
| Sensitivity | 90k ± 3% | 80k ± 3% | 90k ± 3% | 400k ± 3% |
| Thickness Range | 0 – 500 μm (0 – 20 mils) | 0 – 500 μm (0 – 20 mils) | 0 – 500 μm (0 – 20 mils) | 0 – 500 μm (0 – 20 mils) |
| Temperature Range | -10 – 50° C (14 – 122° F) | -10 – 50° C (14 – 122° F) | -10 – 50° C (14 – 122° F) | -10 – 50° C (14 – 122° F) |
| Battery Life | > 150 hrs (depending on battery type) | > 150 hrs (depending on battery type) | > 150 hrs (depending on battery type) | > 150 hrs (depending on battery type) |
| IP Rating | meets or exceeds IP65 | meets or exceeds IP65 | meets or exceeds IP65 | meets or exceeds IP65 |
| Size | 27 x 6 x 5.5 cm (10.6″ x 2.3″ x 2.1″) without wand | 27 x 6 x 5.5 cm (10.6″ x 2.3″ x 2.1″) without wand | 27 x 6 x 5.5 cm (10.6″ x 2.3″ x 2.1″) without wand | 27 x 6 x 5.5 cm (10.6″ x 2.3″ x 2.1″) without wand |
| Size | 180 g (6.4 oz.) without batteries | 180 g (6.4 oz.) without batteries | 180 g (6.4 oz.) without batteries | 180 g (6.4 oz.) without batteries |
Application & Standards
Accessories
Software
FAQs
What is a low-voltage pinhole detector used for?
It is a non-destructive instrument used to find discontinuities, pinholes, or holidays in thin non-conductive coatings (typically less than ) applied over a conductive substrate like metal or concrete.
What is the purpose of the GroundSense feature?
The GroundSense technology visibly assures the inspector that the instrument has a reliable connection to the conductive substrate (ground), preventing tests from being conducted improperly and missing actual pinholes.
Does the PosiTest LPD require PosiSoft software for operation?
No. The PosiTest LPD is a real-time detector that does not store data and operates fully independently. It uses bright LEDs and sound to instantly indicate a coating flaw.
How is the accuracy of the PosiTest LPD verified?
Each unit includes a Long Form Certificate of Calibration showing traceability to NIST (National Institute of Standards and Technology), documenting the actual readings taken on all test voltages.
Why would an inspector need to use a wetting agent with the LPD?
A wetting agent is a surfactant used to lower the surface tension of the water on the sponge, helping the solution better penetrate minute pinholes in thicker coatings to ensure the electrical circuit is completed and the flaw is detected.
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