SICK WTB12L Notice D'instructions page 38

OPERATING INSTRUCTIONS
6.3 Check the application conditions
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38 O P E R A T I N G I N S T R U C T I O N S | WTB12L/WTB12V
Figure 3: Sensor on object
WTB12L/WTB12V are photoelectric proximity sensors with background suppression.
Depending on the remission factor of the object to be detected, and perhaps the
background behind it, a minimum distance (y) between the set sensing range (x) and
the background is to be maintained.
Check the application conditions:
Adjust the sensing range and distance to the object and background as well as the
remission capability of the object according to the corresponding diagram (x = sensing
range, y = minimum distance between set sensing range and background (white, 90%))
Remission factor: 6% = black 1, 18% = gray 2, 90% = white 3 (relative to standard
white as per DIN 5033). We recommend making the adjustments using an object with a
low remission factor.
8027714.1HYU/2023/04/25 | SICK
Subject to change without notice