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Keyence LR-TB2000C laser sensor, rectangular housing, matte finish, cable attached

Keyence

Keyence LR-TB2000C 60-2000mm Laser Sensor (NOB)

SKU CH-QRQ6-RC07W

Detects objects from 60 to 2000 mm with an IP65/IP67 enclosure and adjustable response time up to 1000 ms

  • TypeSensors
  • Detects objects from 60 to 2000 mm range
  • IP65 and IP67 rated enclosure resists dust and water
  • Adjustable response time from 1 ms to 1000 ms
  • Operates in -20 to +55 °C ambient temperature
  • Runs on 20 to 30 VDC with low 45 mA current draw

Laser Sensor 60 to 2000 mm

The Keyence LR-TB2000C is a laser sensor built for all-purpose detection across a 60 to 2000 mm range. It suits automation engineers who need a compact, rugged device for presence checking or distance measurement on production lines. The IP65 and IP67 ratings allow installation in wet or dusty environments without extra protection.

Thermals Noise and Power

The unit operates from 20 to 30 VDC and draws 45 mA or less without load, keeping power demand low for standard industrial supplies. An operating range of -20 to +55 °C covers cold stores and hot process areas alike. No moving parts mean silent running and no fan noise to consider in quiet zones.

Upgrade Path and Fit

This sensor replaces older photoelectric units that lack the same range flexibility or environmental sealing. The jump is worth it when an application needs adjustable response times from 1 ms to 1000 ms and reliable operation under 100000 lux ambient light. Buyers who require a narrower beam or a different output interface should look elsewhere.

Highlights

  • Detects objects from 60 to 2000 mm range
  • IP65 and IP67 rated enclosure resists dust and water
  • Adjustable response time from 1 ms to 1000 ms
  • Operates in -20 to +55 °C ambient temperature
  • Runs on 20 to 30 VDC with low 45 mA current draw

Specifications

TypeSensors

Questions about this item

How do I mount the LR-TB2000C and what wiring mistake should I avoid?

Mount the sensor securely so the laser spot hits the target within the 60 to 2000 mm range, then connect the supply leads to a 20 to 30 VDC source while observing polarity; reversing the supply will prevent operation.

What ongoing checks does the LR-TB2000C need after installation?

Keep the front lens clean so the 4 mm spot remains sharp, verify the enclosure seals stay intact for IP65/IP67 protection, and confirm the ambient temperature stays between -20 and +55 °C with humidity below 85 % RH.

Which specification limits continuous operation first?

The 45 mA current draw at 20 to 30 VDC sets the steady-state power budget, and the 10 to 55 Hz vibration rating at 1.5 mm double amplitude defines the mechanical endurance ceiling.

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