All - Purpose Laser SensorLR-T series


Detection distance 5 m, Cable, Laser Class 2


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Detectable distance

60 to 5000 mm 2.36" to 196.85"*1

Spot diameter

(use a spot diameter of 40 mm 1.57" or less)

Response time

1 ms/10 ms/25 ms/100 ms/1000 ms

Light source


Red laser (660 nm)

Laser class

Class 2 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

50 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

Current output/Voltage output selectable
Current output: 4 to 20 mA with a max. load resistance of 500 Ω
Voltage output: 0 to 10 V with an external load resistance of 5 kΩ or more

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

Accompanying items

Instruction manual,
Laser warning and explanation labels


Approx. 200 g (Including cable)

*1 The range for displayable distance is from 50 to 5200.
*2 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice No.50.
*3 150 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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