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Walton & Beckett 3:1 Eyepiece Reticle for Asbestos Analysis

Walton & Beckett 3:1 Eyepiece Reticle for Asbestos Analysis

GT Vision

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Walton Beckett 3:1 Eyepiece Reticle for Asbestos Analysis Eyepiece Reticle with Walton/Beckett for Asbestos 3-1 Ratio. All with calibration factor of 4 for use with 40x objectives. The Walton and Beckett graticule is used for counting fibrous dust (e.g. asbestos or glass fibres) and is particularly useful where the majority of fibres to be counted are shorter than 5 micron. The circle is divided into four by two diametrical lines scaled in units of 5 and 3 microns respectively. 3 and 5 microns are the critical measurements of fibre lengths used in fibre counting. Please contact us with details

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