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HSE/NPL 認證測試用標準片
產品介紹
INTRODUCTION >> Stage MicrometerH.S.E./N.P.L. Test Slide for Calibration of Phase Contrast Microscopy in Asbestos Analysis – S84
This test slide is made in the UK and is under license from the National Physical Laboratory. It is an epoxy replica of a master slide produced and certified by that laboratory. The replicas are mounted on microscope slides of 1.2mm thickness with cover glass of 0.17mm thickness. This information is transferred to the accompanying table, which indicates the maximum phase change passing through test objects to test slide. A satisfactory system will detect block 5. Full details are supplied with the slide.
| Block No. | Ridge Width (µm) | Maximum Calculated Phase Change(in degrees) for light rays (wavelength=530nm) passing through test objects. |
| 1 | 1.08 | 6.6 |
| 2 | 0.77 | 4.7 |
| 3 | 0.64 | 3.9 |
| 4 | 0.53 | 3.2 |
| 5 | 0.44 | 2.7 |
| 6 | 0.36 | 2.2 |
| 7 | 0.25 | 1.5 |
產品總覽
Products >> Stage Micrometer
S84 HSE/NPL MKII Test Slide
Phase Contrast Test Slide for checking resolution of microscopes used for Asbestos Analysis Band 5. Includes Certificate.
NPL Reference Stage Graticule
Image Analysis Standard, also known as reference stage graticule. Supplied with NPL certificate of calibration.
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