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Compact rectangular photoelectric sensor, matte grey housing with front lens and cable exit

Keyence

Keyence LR-ZB90CB Photoelectric Sensor 15-90mm Range

SKU CH-C2HG-659VR

A photoelectric distance sensor detecting objects from 15 to 90 mm with selectable response times of 1.5, 10 or 50 ms and a 10 to 30 VDC supply

  • Product typeSensors
  • Detects objects from 15 to 90 mm
  • Selectable response time of 1.5 ms, 10 ms or 50 ms
  • Operates on 10 to 30 VDC supply
  • Power consumption of 450 mW or less
  • Brand new Keyence LR-Z series sensor

Product identity and target use

The Keyence LR-ZB90CB is a distance-based photoelectric sensor designed for industrial detection tasks within a 15 to 90 mm range. It suits engineers who need reliable presence sensing on automated production lines or packaging equipment.

Thermals noise and power draw

The unit operates on 10 to 30 VDC and consumes 450 mW or less during normal use. With no moving parts and low power dissipation, it runs silently and generates minimal heat inside a control cabinet.

Deciding specification

The selectable response time of 1.5 ms, 10 ms or 50 ms determines whether the sensor can keep pace with the fastest objects on your line. Choose the 1.5 ms setting for high-speed indexing or the slower options for noise immunity.

How it compares

Measured against everything we stock in Sensors, Transducers & Thermometers, at today’s prices. Recalculated every night.

Price $641.99
Pricier than about 90% of the 255 comparable items (median $39.99).

Specifications

Product
Product typeSensors

Questions about this item

How is the Keyence LR-ZB90CB wired and what supply voltage must be provided?

Connect the sensor to a 10 to 30 VDC power source within the 450 mW power budget, ensuring correct polarity and secure cable routing to avoid intermittent signals.

What maintenance does the LR-ZB90CB require over its service life?

Periodically clean the optical window with a soft lint-free cloth and verify the detectable distance remains within 15 to 90 mm; no internal wear parts require scheduled replacement.

Which response-time setting limits the fastest detection cycle under continuous operation?

The selectable 1.5 ms response time is the shortest available, setting the minimum detection interval during sustained use.

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