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DeFelsko PosiTest AT Instruction Manual

Pull-off adhesion tester
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PosiTest Pull-Off Adhesion Tester
INSTRUCTION MANUAL v. 3.0
PosiTest AT
(manual)
PosiTest AT-A
(automatic)
Simple. Durable. Accurate.

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Summary of Contents for DeFelsko PosiTest AT

  • Page 1 PosiTest Pull-Off Adhesion Tester INSTRUCTION MANUAL v. 3.0 PosiTest AT (manual) PosiTest AT-A (automatic) Simple. Durable. Accurate.
  • Page 2 4. Pull-off Test a) PosiTest AT (manual) (see pg. 6) b) PosiTest AT-A (automatic) (see pg. 8) 5. Analysis of Test Results The dolly and the coating are examined and evaluated to determine the nature of the coating failure. (see pg. 10) 6.
  • Page 3 Step 1: Dolly & Coating Preparation Step 1: Dolly & Coating Preparation Dolly Preparation 1. To remove oxidation and contaminants, place the included abrasive pad on a flat surface and rub the base of the dolly across the pad 4-5 times. 2.
  • Page 4 3. Gently push down on the dolly to squeeze out excess adhesive. Do not twist or slide the dolly back and forth on the coating as air bubbles may be generated. 4. Carefully remove excess adhesive from around the edges of the dolly with included cotton swabs.
  • Page 5 Actuator Assembly Pump USB port Quick Coupling The PosiTest AT powers-up and displays dashes when the button is pressed. To preserve battery life, the instrument powers down after 5 minutes of no activity. Quick Guide (1) Open the pressure relief valve completely (turn counter clockwise)
  • Page 6 6. Open the pressure relief valve and remove the dolly from the actuator assembly. 7. Readings may be stored into memory by pressing the button (pg. 10). Troubleshooting (PosiTest AT) Digital display “freezes” at a low value The Tester uses a sudden drop in actuator pressure as an indication that the dolly has been pulled from the surface.
  • Page 7 Step 4b: Pull-Off Test Step 4b: Pull-Off Test (PosiTest AT-A Automatic) Hose Actuator USB port Handle Actuator Assembly AC Adapter Port Quick (Charges batteries Coupling and powers instrument) Quick Guide (1) Connect the actuator to the dolly (2) Power-up with the...
  • Page 8 Uncouple the actuator from the dolly and then remove the dolly from the surface with a sharp, sideways hammer tap. Troubleshooting (PosiTest AT-A) Instrument is unresponsive or will not power down In the unlikely event that the PosiTest becomes unresponsive or will not power...
  • Page 9: Available Options

    Press the button repeatedly to view previously stored test results. The PosiTest AT-A also displays dolly size and pull rate by pressing their respective buttons. Complete information on all test results can be downloaded to a PC and viewed using the optional PosiSoft software.
  • Page 10: Technical Data

    Power Supply / Low Battery Indicator Power Supply / Low Battery Indicator PosiTest AT (manual) Power Source: AAA alkaline batteries As the batteries become weak the symbol will appear on the LCD. The batteries should be replaced at the earliest opportunity.
  • Page 11: Returning For Service

    Protection provided by the equipment may be impaired if the equipment is used in a manner not specified by the manufacturer. Every effort has been made to ensure that the information in this manual is accurate. DeFelsko is not responsible for printing or clerical errors.

This manual is also suitable for:

Positest at-a