OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006

Phone: (972) 323-2200 or (800) 341-4747

FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Long Distance Reflective Switch

OPB720A and OPB720B Series

OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.

Issue F.1

01/08

Page 5 of 5

Voltage Response vs Displacemnent

OPB720A-36VZ

0

2

4

6

8

10

12

120''

145''

170''

195''

220''

Typical Switching Distance (inches)

Nippon Crystallite Towards

Nippon Crystallite Away

3M 3870 Towards

3M 3870 Away

Voltage Response vs Displacemnent

OPB720A-36VZ

0

2

4

6

8

10

12

25''

30''

35''

40''

45''

50''

Typical Switching Distance (inches)

90% Kodak Towards

90% Kodak Away

Copy Paper Towards

Copy Paper Away

Avery 5160 Towards

Avery 5160 Away

OPB720A-30VZ or OPB720B-30VZ

OPB720A-30VZ or OPB720B-30VZ