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28
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2.12 Optical charts
The following optical charts show the diameter of the measuring spot in dependence on the distance
between measuring object and sensing head. The spot size refers to
90 % of the radiation energy
.
The distance is always measured from the front edge of the sensing head.
As an alternative to the optical diagrams, the spot size calculator can also be used on the optris website
http://www.optris.com/spot-size-calculator
The size of the measuring object and the optical resolution of the infrared thermometer
determine the maximum distance between sensing head and measuring object.
In order to prevent measuring errors the object should fill out the field of view of the optics
completely.
Consequently, the spot should at all times have at least
the same size
like the object or should
be
smaller than
that.
D = Distance from front of the sensing head to the object
S = Spot size
Summary of Contents for CTlaser 05M
Page 1: ...Operator s Manual optris CTlaser LT LTF 05M 1M 2M 3M MT F2 F6 G5 P7 Infrared thermometer...
Page 8: ...8 Appendix C Smart Averaging 96 Appendix D Declaration of Conformity 97...
Page 44: ...44 Figure 2 Mounting bracket adjustable in one axis Order No ACCTLFB standard scope of supply...
Page 45: ...Mechanical Installation 45 Figure 3 Electronic box...
Page 97: ...Appendix D Declaration of Conformity 97 Appendix D Declaration of Conformity...
Page 98: ...optris CTlaser E2018 12 A...
