Graticules, Stage Micrometers, and Calibration Standards
Stage Graticules (continued) Universal Calibration Slide – PS20
Calibration of microscopes and image analysis systems is becoming more sophisticated, with the requirement being for a variety of image patterns to satisfy the numerous parameters. We're now introducing a new multi- function calibration standard specifically for these applications.
Multiple images on a slide provide the most cost-effective solution to calibration and resolution checking of microscopes and image analysis systems. The combination of scales, dots, circles, squares, rulings, grids and angles can be supplied with an internationally traceable certificate of calibration for those who require ISO conformity.
Each glass slide has a permanent serial number and can be supplied with full or partial UKAS certificate of accuracy. Starting from a fixed 'Datum Point' mark, each individual pattern or array can be located using X, Y, coordinates.
General tolerance (microns) Feature size Tolerance
≤ 10 0.5
10 – 50 1.0
50 – 127 1.3
Coating
Optical density Substrate Size
Package
PS20 Universal Calibration Slide Image Details ID A* B* C* D* E* F*
Pattern Name
Concentric Circles Concentric Squares Line Grating Line Grating, Half Protractor
Grid Array Coarse G* H* I*
J* K*
L* Grid Array Fine Dot Array Geometric
progression of Opaque Dots
Geometric X=17; Y=4
Geometric progression X=32; Y=4 of Clear Dots
Geometric progression X=47; Y=4 of Clear Squares
M* Vertical Scale Fine Variable
N* Horizontal X=63 X=0; Y=0 Location
X=2; Y=10 X=10; Y=10 X=18; Y=10 X=26; Y=10 X=34; Y=10 X=40; Y=10
X=48; Y=10 X=56; Y=10 X=2; Y=4 Description
1, 2, 3, 4, 5mm Circles with Cross Line & circle identifier. Line width 20µm 1, 2, 3, 4, 5mm Squares with Cross Line & circle identifier. Line width 20 nm 12.5 Line Pairs per mm (40µm line 40µm space) 50 Line Pairs per mm (10µm line 10µm space) 15 Spacing, Line width 20µm
5mm square array with 0.5mm divisions and central 2mm square with 0.25mm divisions. Line width 20µm
5mm square array with 0.1mm divisions and central 2mm square with 0.05mm divisions. Line width 8µm divisions
Dot diameter 0.25mm, dot center to center spacing 0.050mm – 11x11 grid = 121 dots to center spacing 0.050mm – 11x11 grid = 121 dots
Line array of dots or square shapes, of either clear or opaque. Reducing in size in a Root 2 progression for the purposes of edge threshold detection to enable an image analyzer to measure the size correctly, or general shape size comparison.
Root 2 progression of 21 dots or square shapes, from 3.5µm to 3.5µm. Nominal size in mm
Dot/square size – Large to small in mm 3.5833; 2.5338; 1.7917; 1.2669; 0.8959; 0.6335; 0.4479; 0.3167; 0.2240; 0.1584; 0.1120; 0.0792; 0.0560; 0.0396; 0.0280; 0.0198; 0.0140; 0.0099; 0.0070; 0.0049; 0.0035
Overall Scale length 10mm.
5mm in 0.5mm divisions. Line width 20µm 4mm in 0.1mm divisions. Line width 10µm 1mm in 0.01mm divisions. Line width 3 µm
Scale length 62mm in 2mm Scale Coarse divisions, subdivided in 1mm divisions with a 20µm line width.
*If you require a calibration certificate for any or all of the points A-N, please state which points and we will send you a quote.
Ordering Information Pattern PS20
38
Catalog # 68053-20
Description Universal Calibration Slide PS20
Electron Microscopy Sciences In PA: (215) 412-8400 • Toll-Free (800) 523-5874 Fax (215) 412-8450 or 8452 • email:
info@emsdiasum.com
Qty each or
stacie@ems-secure.com • www.emsdiasu
m.com
127 – 250 1.9
>250 2.54
Enduring evaporated chrome image >2.5
Soda lime glass
76mm x 25mm x 1.5mm Polished wooden case
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