OPT291 Sensor

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These sensors have scratch-resistant optics and the emitted light can be switched off. They use the transit time measurement principle to measure the distance between the sensor and the object. For this reason, the object's color, shape and surface characteristics have practically no influence on measurement results. Even dark objects can be reliably recognized.

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Features at a Glance

Graphical display for easy operation
Emitted light disengageable
Temperature drift eliminable

Technical data

Optical Data
Working Range	0.1 ... 10.1 mm
Measuring Range	10 m
Resolution	1 ... 12 mm
Linearity (Working Range 0.1…5 m)	0.05 %
Linearity (Working Range 5…10.1 m)	0.2 %
Switching Hysteresis	3 ... 20 mm
Light Source	Laser (red)
Wavelength	660 nm
Service Life (T = +25 °C)	100,000 h
Laser Class (EN 60825-1)	2
Beam Divergence	< 2 mrad
Light Spot Diameter	see Table 1
Reflector required	no

Electrical Data
Supply Voltage	12 ... 24 V DC
Current Consumption (Ub = 24 V)	< 100 mA
Switching Frequency	50 Hz
Measuring Rate	1 ... 100 /s
On-/Off-Delay	0 ... 10,000 ms
Temperature Drift (-10 °C < Tu < 50 °C)	< 0.2 mm/K
Temperature Drift (Tu < -10 °C, Tu > 50 °C)	< 0.4 mm/K
Temperature Range	-25 ... 60 °C
Number of Switching Outputs	1
Switching Output Voltage Drop	< 2.5 V
Switching Output/Switching Current	200 mA
Analog Output	0...5 V
Short Circuit Protection	yes
Reverse Polarity Protection	yes
Overload Protection	yes
Interface	RS-232
Protection Class	III