All - Purpose Laser SensorLR-T series


Detection distance 2 m, Cable with connector M12, Laser Class 1


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Cable with connector M12

Detectable distance

60 to 2000 mm 2.36" to 78.74"*1

Spot diameter

Approx. ø4 mm ø0.16"

Response time

2 ms/20 ms/50 ms/200 ms/2000 ms

Light source


Red laser (660 nm)

Laser class

Class 1 laser product
(IEC60825-1,FDA (CDRH) Part1040.10*2)

Mutual interference prevention function

4 units (when using the interference prevention function)


OFF/OFF delay/ON delay/One-shot

Power voltage

20 to 30 VDC, including 10% ripple (P-P), Class 2 or LPS

Current consumption

45 mA or less (without load)*3


Control output

NPN open collector/PNP open collector selectable
30 VDC or less, 50 mA or less, residual voltage: 2 V or less,
N.O./N.C. selectable

Analog output


Protection circuit

Protection against reverse power connection, power supply surges, output overcurrent, reverse output connection, and output surge

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Ambient light

Incandescent lamp/Sunlight: 100000 lux or less

Ambient temperature

-20 to +55°C -4 to 131°F (no freezing)

Ambient humidity

35 to 85%RH (no condensation)

Shock resistance

1000 m/s2 in X, Y, Z axis directions respectively 6 times

Vibration resistance

10 to 55 Hz Double amplitude 1.5 mm 0.06" in the X, Y, Z axis directions respectively, 2 hours


Case: Zinc die cast (Nickel chrome plating),
Indicator cover and buttons: PES,
Lens cover and display: PMMA (scratch-resistant coating specifications),
Cable bushing: PBT,
Cable: PVC,
M12 connector: TPE, PBT, Nickel-plated brass

Accompanying items

Instruction manual


Approx. 85 g

*1 The range for displayable distance is from 50 to 2200.
*2 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice No.50.
*3 145 mA or less (with load)
*4 You can select the I/O from the following combinations.
Control output × 2, control output + external input
Control output + analog output (LR-TB5000/TB5000C/TB5000CL only)
External input + analog output (LR-TB5000/TB5000C/TB5000CL only)
(For details on the setting method, see the instruction manual.)
*5 IO-Link specification v.1.1/COM2 (38.4 kbps) is supported. You can download a setup file from the KEYENCE website (
If you are using the product in an environment in which you cannot download files over the Internet, contact your nearest KEYENCE office.

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