Gpm Head Specifications; Optical - RayTek Thermalert GP Series Operator's Manual

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B.6.6

GPM Head Specifications

The following sections contain optical, thermal, and physical specifications
for the GPM.
B.6.6.1

Optical

The optical charts indicate the nominal target spot diameter at any given dis-
tance from the sensing head. Information in the top half of each diagram is
in inches or feet, the bottom half is in metric units. All optical diagrams
within this manual assume 90% energy. Figure B-24 is an optical chart for
the 2:1 and 10:1 optical resolution models.
DISTANCE: SENSOR TO OBJECT (in)
0
10
.2
5
* FAR FIELD
0
260
DISTANCE: SENSOR TO OBJECT (mm)
Figure B-24: GPM Sensor Heads Optical Chart
54 Thermalert GP Series Operator's Manual
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15
10 20
5 25
0 30
20
10
5
2
1
D : S = 10 : 1*
26.5
55
135
255
500
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