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


All-in-one controller, NPN


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All-in-one model


Head compatibility

All LK-G sensor heads are compatible

Number of connectable sensors

Maximum of 2 units

Minimum display unit

0.01 µm

Display range

±9999.99 mm to ±9999.99 μm (Selectable from six levels)

Refresh rate

10 times/sec

Terminal block

Analog voltage output

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

Analog current output

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

Timing input

For OUT1, non-voltage input*1

Reset input

Auto-zero input

Laser remote interlock input

Non-voltage input*1

Comparator output

For OUT1, NPN open-collector output*2

Alarm output

For OUT1, NPN open-collector output*2(N.C.)

Expansion connector

Timing input

For OUT2, non-voltage input*1

Reset input

Auto-zero input

Program switching input

Non-voltage input*1 × 3 inputs

Laser-Off input

For Head A/Head B, non-voltage input*1

Comparator output

For OUT2, NPN open-collector output*2

Alarm output

For OUT2, NPN open-collector output*2(N.C.)


Binary output

Measured data output (21 bits), OUT1/OUT2 selectable, NPN open-collector output*2

Strobe output

NPN open-collector output*2

Binary selector output

Binary selector input

Non-voltage input*1

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,
Connection of setting support software, Selectable head-mounting, etc.

Power supply voltage

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

Current consumption

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

Ambient temperature

0 to 50°C 32 to 122°F, No condensation

Relative humidity

35 to 85%, No condensation


Approx. 480 g

*1 The rating of non-voltage input: 1 V or less ON voltage, 0.6 mA or less OFF current.
*2 The rating of the NPN open-collector: 50 mA max. (40 V max.), residual voltage of 1 V max.

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