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General| Model | PosiTest AT-A |
|---|---|
| Type | Adhesion Tester |
| Accuracy | ±1% of full scale |
| Resolution | 0.01 MPa (1 psi) |
| Measurement Units | MPa, psi |
| Data Logging | Yes |
| Display | LCD |
| Measurement Range | 0-10, 000 psi (0-70 MPa) |
| Dollies | 20 mm |
| Memory | 1000 |
| Power | Rechargeable battery |
Outlines the fundamental stages required to conduct a pull-off adhesion test accurately.
Details the instrument's components, display, and multifunction keypad for operation.
Explains the function of directional buttons, select, power, and stop buttons for instrument control.
Instructions for cleaning and abrading the dolly base to remove contaminants and ensure proper adhesion.
Guidance on lightly roughening the coating surface for optimal glue bonding, with a note on potential flaws.
Discusses glue selection, its properties, and the process of applying it to the dolly.
Details attaching the glued dolly to the surface, removing excess, and allowing the adhesive to cure.
Details cutting around the dolly or using a drilling template to isolate the test area.
Steps for preparing the instrument and performing the pull-off test, including parameter checks.
Instructions for initiating the test, building pressure, and monitoring the pull-off process.
Details on how test results, including pass/fail and fracture nature, are automatically stored in memory.
Describes carousel navigation and the Main, Reading List, and Summary views for data review.
Covers Layer/Fracture, Reading Note, and Batch Note views for detailed analysis and annotation.
Illustrates and defines cohesive, adhesive, and glue failures for accurate recording.
Defines and illustrates cohesive, adhesive, and glue failures occurring within or between coating layers.
Details procedures for creating new memory batches and opening existing ones for data management.
Describes how to close the current batch and remove batches and associated measurements from memory.
Details configuration for Dolly Size, Pull Rate, Limit, Hold Time, and display orientation.
Details PosiSoft USB Drive, Desktop, PosiSoft.net, and PosiTector App for viewing, storing, and reporting data.
Allows connection to wireless networks for synchronizing stored measurements with PosiSoft.net.
Details the built-in rechargeable NiMH battery, charging process, and recommendations for maintaining battery performance.
Explains calibration by manufacturer/labs and the use of the PosiTest AT Verifier for accuracy checks.
Lists resolution, accuracy, and maximum pull-off pressure for different dolly sizes.
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