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| Reference Block Type 1 (MTU-3) |
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The Reference Block is a permanently magnetized steel disc containing coarse and fine cracks that have been induced onto the surface through a special treatment. The surface is then ground and coated. The disc is used to test the performance of the magnetic particle materials and lighting environment being used and to check the sensitivity of the materials on a daily basis for material degradation and/or bath contamination. A reference photograph accompanies the Reference Block so the existing bath can be compared to indications from an optimum system. |
Physical Characteristics |
| Steel Disc - 50 mm in diameter by 11 mm thick, with a 10.5 mm hole through the center. |
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Specification |
| International Standard Organization ISO 9934-2, Section B.1 Reference block type 1 - latest revision |
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Related Product Information:
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Item# / Package Size
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Technical Bulletin #316
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#5801 - Each (Side 1 - Grinding Cracks; Side 2 - Quench Cracks)
#5802 - Each (Both Sides - Random Cracks)
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