Gpr And Gps Head Specifications; Optical - RayTek Thermalert GP Series Operator's Manual

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B.5.8

GPR and GPS Head Specifications

The following sections contain optical, thermal, and physical specifications
for the GPR and GPS.
B.5.8.1

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-12 is for the GPR Standard
Focus model, Figure B-13 is for the GPR Close Focus model, Figure B-14 is
for the GPS Standard Focus model, and Figure B-15 is for the GPS Close
Focus model.
DISTANCE: SENSOR TO OBJECT (in)
0 12 30 60
1.7" @ 60"
1.7
1.3
1.0
0.9
23
25
33
44
44mm @ 1520mm
1520
0 500 1000
DISTANCE: SENSOR TO OBJECT (mm)
Figure B-12: GPR Standard Focus Optical Chart
44 Thermalert GP Series Operator's Manual
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15
10 20
5 25
0 30
90 120
3.8
2.8
GPR STANDARD FOCUS
35:1
60
77
94
2000
2500 3000
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