Self-contained TOF Laser Sensor

LR-T series

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Detection distance 2 m, Cable with connector M12, Laser Class 2 LR-TB2000C

LR-TB2000C - Detection distance 2 m, Cable with connector M12, Laser Class 2

  • CE Marking
  • CSA





Cable with connector M12

Detectable distance

60 to 2000 mm*1

Spot diameter

Approx. 4 mm

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

Response time

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


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

External input

Switchable between transmission OFF, teaching, and reference surface update
Short-circuit current: 1 mA or less for both NPN and PNP
For the applied voltage, see the wiring diagrams (pages 2 and 3 in the instruction manual).
For the input times, see the time charts (page 4 in the instruction manual).*5

Analogue output


Protection circuit

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

Power voltage

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

Current consumption

45 mA or less (without load)*6

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Ambient light

Incandescent lamp/Sunlight: 10,0000 lux or less

Ambient temperature

-20 to +55 °C (No freezing)

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

Shock resistance

1,000 m/s2, 6 times in each of the X, Y, and Z directions


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,
Laser warning and explanation labels


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 You can select the I/O from the following combinations.
Control output × 2, control output + external input
Control output + analogue output (LR-TB5000/TB5000C/TB5000CL only),
External input + analogue output (LR-TB5000/TB5000C/TB5000CL only)
(For details on the setting method, see the instruction manual.)
*4 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.
*5 You can select the I/O from the following combinations.
Control output × 2, control output + external input, IO-Link
(For details on the setting method, see page 3 of the instruction manual.)
*6 145 mA or less (with load)

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