NPL Certified Stage Micrometer- 0.01 mm/100 division
SKU:314S8CERT
NPL certified transmitted light stage micrometer.
$1495.00
| Each certified stage micrometer is measured in selected intervals using a microscope with a traveling stage. The displacement of the stage is measured by means of a helium-neon laser interferometer, with the frequency of the laser having been determined using an iodine-stabilized reference laser. The expanded uncertainty in the interval measurements is +/- 0.0005 mm. The uncertainties are for a confidence probability of not less than 95 %. Please call for pricing and delivery information.
The primary use of a stage micrometer is to calibrate eyepiece measuring reticles by making a direct comparison of the arbitrary rulings in the eyepiece reticle to known spacings on the stage micrometer. |
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