Potter EVD-1 User Manual
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EVD-1 • 5401043 • REV M • 9/07
Figure 8 Typical Wall Protection Installation
CIRCULAR AREA OF
100% COVERAGE
RECTANGULAR AREA OF
100% COVERAGE
DETECTOR
RANGE
DETECTOR
SPACING
DETECTOR
SPACING
Table 7 Recommended Maximum EVD-1 Spacing for Wall Protection
Material
Sensitivity
Setting
Detector
Range
Rectangular Area of 100% Coverage
Steel plates at least
1/4" thick
Minimum
8.0'
11.3' x 11.3'
8' x 13.9'
10' x 12.5'
15' x 5.6'
-
Half
15.0'
21.2' x 21.2'
8' x 28.9'
10' x 28.3'
15' x 26'
20' x 22.4'
Maximum
20.0'
28.3' x 28.3'
8' x 39.2'
10' x 38.7'
15' x 37.1'
20' x 34.6'
Monolithic concrete
at least 6" thick
Minimum
16.0'
22.6' x 22.6'
8' x 31.0'
10' x 30.4'
15' x 28.3'
20' x 25.0'
Concrete block at
least 6" thick
Minimum
16.0'
22.6' x 22.6'
8' x 31.0'
10' x 30.4'
15' x 28.3'
20' x 25.0'
All dimensions in inches
Figure 9 Dimensions
Figure 10 EVD-1 Mounting Template
All dimensions in inches