Датчик измерения Keyence LK-502

Sensor Head, Small Spot, Laser Class 2

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Model	LK-502
Type	Sensor head Long-distance *1 Sensor head
Measurement mode	High-precision mode,Long-range mode
Reference distance	350 mm (High-precision mode),500 mm (Long-range mode)
Measuring range	±100 mm (High-precision mode),±250 mm (Long-range mode)
Light source	Type	Red semiconductor laser
Wavelength	690 nm (visible light), Class 2
Output	0.95 mW maximum
Spot diameter (at standard distance)	Approx. 0.7 mm (high-precision mode), approx. 0.3 mm (long mode)
Linearity	±0.1% of F.S.
Repeatability	10 µm2 (High-precision mode), 50 µm2 (Long-range mode)
Analogue output	Output voltage	±10 V (10 µm/mV)3 (High-precision mode), ±5 V (50 µm/mV)3 (Long-range mode)
Impedance	100 ?
Output current	4 to 20 mA (350 ? maximum)*4
Alarm output	NPN: 100 mA max. (40 V max.) (N.C.), Residual voltage: 1 V max.
Sampling cycle	1,024 µs
Other functions	Auto-zero, analog output holding when an alarm occurs, gain switching, response switching, span and shift adjustment
Temperature characteristics	0.02% of F.S./°C
Rating	Power voltage	24 VDC ±10 %, Ripple (P-P) 10 % or less
Maximum current consumption	400 mA max.
Environmental resistance	Enclosure rating	IP67
Ambient light	Incandescent or fl uorescent lamp: 10,000 lux max.
Ambient temperature	0 to +50 °C (No condensation)
Relative humidity	35 to 85 % RH (No condensation)
Vibration resistance	10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions
Material	Aluminium die-cast
Weight	Approx. 700 g (including cable)
1 The LK-503 can both be used in High-precision mode or Long-range mode. 2 Repeatability was obtained using KEYENCE’s analogue sensor controller (RD-50) with the number of averaging measurements set to 64. Note: The ripple of the analogue output may be 1 mV or more due to co mmon mode noise when observed with an oscilloscope or a high-speed A/D conversion board. 3 When measurement is impossible, 12 V (31.2 mA) is output. 4 The ±5 V analog voltage output range (the ±10 V range on the LK-010) becomes the 4 to 20 mA analog current output.

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