AST EL50 User Manual

Chapter - 8
Calculate Spot Size
To calculate Spot Size click on Utility
This option is used to calculate the spot size at installed working distance of the Pyrometer. When you click on
calculate spot size the new window will open.
Calculate Spot Size
WD = Manufactured working distance in (mm).
A = It shows the value of lens opening (Aperture in mm)
S = Manufactured spot size of the pyrometer (mm)
User has to enter the value of WD, A, S, of the installed pyrometer (These values are given in section – 2.3). Now,
putting the value of “Installed working distance” it will show the value of “Installed spot size”.
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AST EL50 Specifications

General

Brand	AST
Model	EL50
Category	Measuring Instruments
Language	English