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Appendix A – Photocell Taping
The user may determine the Hertz value by taking the
revolutions per minute (RPM) and dividing by 60. Note that this
formula calculates the minimum tape width.
Simplified Table
Use the following table to look up the minimum width of retro-
reflective tape necessary:
Tape
Distance
From
Center
10 to
20 in.
0 to 10 in.
a. This means the distance of the tape from the center of rotation.
b. Numbers refer to the Honeywell part number. No. 12803 is 1 in.
wide, No. 10444 is 0.5 in. wide, and No. 3300 is 0.2 in wide.
Honeywell Confidential: Use or disclosure of information on this page is subject to the restrictions on the title page.
No. of Tape Strips To Use at the Following
RPM Ranges:
Tape
Part
b
No.
0 to
a
600
12803
1
10444
1
3300
3
12803
1
10444
1
3300
1
600 to
1500
1
2
5
1
1
3
13841 Rev A
250
1500
2300
to
to
2300
3100
2
2
3
4
8
10
1
1
2
2
5
5
3100
to
3800
3
5
13
2
3
8
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