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

Issue A.2

10/08

Page 7 of 8

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

Slotted Optical Switch

OPB830 and OPB840 Series (L & W)

OPB370N51 - Flag in Middle of Slot

0.00

0.20

0.40

0.60

0.80

1.00

1.20

0.00

0.05

0.10

0.15

0.20

0.25

Displacement Distance (inches)

Left to Right

Right to Left

Top to Bottom

OPB370N51 - Flag Next to Sensor

0.00

0.20

0.40

0.60

0.80

1.00

1.20

0.00

0.05

0.10

0.15

0.20

0.25

Displacement Distance (inches)

Left to Right

Right to Left

Top to Bottom

OPB370N51 - Flag in Middle of Slot

0.00

0.20

0.40

0.60

0.80

1.00

1.20

0.00

0.05

0.10

0.15

0.20

0.25

Displacement Distance (inches)

Left to Right

Right to Left

Top to Bottom

Emitter

Sensor

Left to Right

Right to Left

0

Width

Top to Bottom

0

OPB8_ _ L51 - Flag Next to Emitter

OPB8_ _ L51 - Flag Next to Sensor

OPB8_ _ L51 - Flag in Middle of Slot