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0
-2
-4
-6
-8
-10
20 35 50 75 100
Cutoff Setting in mm (90% White Card)
Percent Deviation
18% Gray Card
6% Black Card
Figure 9. QS18AF cutoff point deviation
0
-4
-8
-12
-16
-20
30 60 90 120 150
Cutoff Setting in mm (90% White Card)
Percent Deviation
18% Gray Card
6% Black Card
Figure 10. QS18LAF cutoff point deviation
0
-4
-8
-12
-16
-20
50 100 150 200 250
Cutoff Setting in mm (90% White Card)
Percent Deviation
18% Gray Card
6% Black Card
Figure 11. QS18LAF250 cutoff point deviation
Excess Gain
Performance based on 90% reflectance white test card
Gain at 20 mm Cutoff
1
10
100
10 mm
.4"
100 mm
4"
1000 mm
40"
1 mm
.04"
1000
E
X
C
E
S
S
G
A
I
N
DISTANCE
QS18..AF100
Gain at 100 mm Cutoff
1
10
100
10 mm
.4"
100 mm
4"
1000 mm
40"
1 mm
.04"
1000
E
X
C
E
S
S
G
A
I
N
DISTANCE
QS18..AF100
Gain at 30 mm Cutoff Gain at 150 mm Cutoff
WORLD-BEAM ® QS18 Adjustable-Field Sensors
P/N 66981_web
Rev. I www.bannerengineering.com - tel: 763-544-3164 5