Model Acm-1, Calibrating Micrometer


Calibration Micrometer

This ideal standard provides accurate calibration of any eyepiece, reticules, filar micrometers, or electronic measuring instrument. Features a series of 'H' shaped fiducial images in a range of sizes from 0.1 mm through 20 mm, useful for calibration range from 1x to 1,000x power.


Standard Size 25 mm x 75 mm
Substrate Type Transparent glass (G), 1.42 mm or thicker
Opal glass (O) is available per request
Image Forming Material Evaporated chromium on glass
Image Description 'H' shaped fiducials as follows, centerline to centerline
Pattern Length (mm) Pattern Height Line Width
0.10, 0.25, 0.50, 0.75 0.50 mm 10 µm
1.00, 2.50, 5.00, 7.50 1.00 mm 20 µm
10.0, 15.0, 20.0 3.00 mm 40 µm
Polarity Positive
Reading Direction Right Read Chrome Up (RRCU)
Image Placement Accuracy 3.0 microns or better
Image Contrast/Density Chrome optical density grater than 2.0
SKU: 60218-1PG
Pack: Each
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