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Stage Micrometers for Transmitted LightThese stage micrometers are intended for routine calibration of light microscopes, particularly when alternating objectives of different microscopes. Ideal for student, lab settings and instructional purposes. Robust construction. Scale is centered on a glass disc, mounted in a black anodized aluminum slide, 75 x 24 x 2mm thick. Table of Accuracy |
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| Product # | Line Width | Accuracy (overall) |
|---|---|---|
| 2280-10 | 0.005 mm | within 0.002 mm |
| 2280-11 | 0.005 mm | within 0.0015 mm |
| 2280-12 | 0.002 mm | within 0.0001 inch |
| 2280-13 | 0.002 mm | within 0.001 mm |
| 2280-14 | 0.001 mm | within 0.00005 inch |
| 2280-15 | 0.001 mm | within 0.001 mm |
| 2280-16 | 0.0015 mm | within 0.001 mm |
| 2280-17 | 0.0025 mm | within 0.0015 mm |
| 2280-18 | 0.0027 mm | within 0.001 mm |
| 2269-10 | 0.003 mm | within 0.001 mm |
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Stage Micrometer Scale2mm in 0.01mm divisions and 0.1 inch in 0.005 inch divisions. |
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Grouped Graduation PatternFor speedy determination of a range of feature sizes within a given specimen. Patterns are 0.2mm in 0.01mm divisions, 2mm in 0.2mm divisions, and 5mm in 0.5mm divisions. |
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Stage Micrometers for Reflected LightThis scale is etched through highly reflective vacuum coated metal. When viewed with reflected light illumination, as with a metallurgical microscope, the scale appears black against a bright background. Table of Accuracy |
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Image Analysis Standard (Reference Stage Graticule)Provides 4, high precision test areas designed for calibrating image analysis systems and identifying deviations and distortions in optical imaging systems. The standard, which can also be used as a high precision stage micrometer, is supplied with recommendations for its use and an individual certificate of calibration. It is produced on a 75mm x 25mm slide and has a square grid accuracy of ±0.1µm and a dot accuracy of ±0.3µm (except for the smallest and largest two dots on the root-2 array where accuracy is ±0.5µm). The four test areas are:
Supplied with a Certificate of Calibration from NPL (National Physics Laboratory, counterpart of NIST in the UK.). Note: NPL is part of the International Metrology Group so that all of its measurements are directly traceable to the International Metre Standard held in Paris, France. This means that the certificate is internationally traceable. |
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Counting Slides |
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Counting Grids |
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England Finder - S7 SlideLocator and Calibration Slide
X (A through Z, excluding I) Y (1 through 75), note K34 to right. |
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The England Finder is a glass slide marked over the top
surface in a way that a referenced position can be directly read relative
to the locating edges. All England Finders produced by Graticules for over 40 years are identical. The prupose of the finder is to give the microscopist an easy method of recording the position of a particular field of interest, so that the same position can be re-located at a later date, or by another person in another laboratory, or when using any other England Finder on any other microscope. The location of the arrows is identical for all England Finder slides. Mark a label on the left hand side of the specimen slide, indicating the orientation to be repeated. By replacing the specimen slide with the England Finder, taking care not to disturb the position, the feature of interest can be noted. The feature an also be re-located at another place or time by reversing the procedure. Over 1,800 positions on a 76 x 26mm slide can be accurately located. Slide thickness is 1.35mm ±0.05mm. Nominal line width is 0.025mm.
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