High-speed, High-accuracy CCD Laser Displacement SensorLK-G3000 series


Separate controller, NPN output


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Separate monitor model*2

Head compatibility

All LK-G sensor heads are compatible

Connectable number of heads

Maximum of 2 units


Minimum display unit

0.01 µm

Display range

±9,999.99 mm to ±9,999.99 µm (Selectable from six levels)

Display cycle

10 times/sec

Terminal block

Analogue voltage output

±10 V x 2 outputs, output impedance: 100 Ω

Analogue current output

4 to 20 mA x 2 outputs, maximum load resistance: 350 Ω

Timing input

For OUT1, non-voltage input

Reset input

Auto-zero input

Laser remote interlock input

Non-voltage input

Comparator output

For OUT1, NPN open-collector output

Alarm output

For OUT1, NPN open-collector output (N.C.)

Expansion connector

Timing input

For OUT2, non-voltage input

Reset input

Auto-zero input

Program switching input

Non-voltage input x 3 inputs

Laser-Off input

For Head A/Head B, non-voltage input

Comparator output

For OUT2, NPN open-collector output

Alarm output

For OUT2, NPN open-collector output (N.C.)


Binary output

Measured data output (21 bits), OUT1/OUT2 selectable, NPN open-collector output

Strobe output

NPN open-collector output

Binary selector output

Binary selector input

Non-voltage input

RS-232C interface

Measured data output and control input/output (Maximum baud rate: 115,200 bps, selectable)

USB interface

In conformity with USB Revision 2.0 Full speed (USB1.1 compatible)

Major functions

2 OUT simultaneous measurement, Operation, Averaging, Filter, Calibration, Measurement, AUTO ZERO,
Sampling frequency setting, Mutual interference prevention, Data storage, 8-program memory, ECO mode,
ABLE setting, Target setting, ABLE tuning, Selection of measurement surface of transparent target,
Statistics processing, Connection of setting support software, Selectable head-mounting, etc.


Power voltage

24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

500 mA or less with 1 head/600 mA or less with 2 heads

Environmental resistance

Ambient temperature

0 to +50 °C

Relative humidity

35 to 85 % RH (No condensation)


Approx. 370 g (including the cable)

*1 The rating of the NPN open-collector: 50 mA max. (40 V max.), residual voltage of 1 V max.
The rating of non-voltage input: 1 V or less ON voltage, 0.6 mA or less OFF current.
*2 LK-G3000 can be operated singly. The measured value display and setting modifications can be performed on the display panel (LK-GD500) or via the setting support software (LK-H1W).

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