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.4

02/06

Page 4 of 4

Tube Liquid Sensor

OPB350 Series

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

()

0.0

0.2

0.4

0.6

0.8

1.0

1.2

-40

-20

0

20

40

60

80

100

Normalized @ T=20°C

Temperature (°C)

0.00

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

-40

-20

0

204060

80

100

Temperature (°C)

0

50

100

150

200

250

300

12

34

5

6

78

9

10

Fall

Rise

Rise & Fall Time vs Load Resistance

Load Resistance (,000 Ohms)

Test Circuit (Rise & Fall Time)