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Red cylindrical sensor with M12 connector, nickel-plated brass housing

Wenglor

Wenglor UF55MG3 fiber-optic sensor 50...500 mm range

SKU CH-FRC1-NMB3E MPN UF55MG3

Detects objects at 50…500 mm with a 450 mm measuring range, 10 mm resolution and 5 % linearity using 880 nm infrared light

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Precise detection within 50...500 mm range
  • Consistent accuracy with 10 mm resolution
  • Reliable infrared sensing at 880 nm wavelength
  • Durable IP65 housing for harsh environments
  • Flexible 20...30 V DC supply voltage

Fiber-optic sensor range and resolution

The Wenglor UF55MG3 is a fiber-optic sensor with a working range of 50...500 mm and a measuring range of 450 mm. It provides 10 mm resolution and 5 % linearity using an 880 nm infrared light source. The sensor delivers a 0...10 V DC analog output with 1 kOhm output resistance and includes short-circuit and reverse-polarity protection. Its IP65-rated, fully encapsulated nickel-plated brass housing operates from -10...60 °C.

Target applications and limitations

This sensor suits automation tasks that require non-contact distance detection within 500 mm using fiber-optic guidance. The potentiometer adjustment allows simple threshold setting without software. Buyers who need a switching output instead of an analog signal, a wider temperature range than -10...60 °C, or a supply voltage outside 20...30 V DC should consider a different model.

Deciding specification: analog output range

The 0...10 V DC analog output directly determines whether the UF55MG3 integrates with your controller or data-acquisition hardware. If your system accepts a 0...10 V signal with 1 kOhm load, the sensor is compatible; if you require a current loop, digital interface, or different voltage span, this unit will not fit.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $240.99
Pricier than about 82% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameWenglor
Model nameUF55MG3
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

At what distance does the 10 mm resolution and 5 % linearity limit reliable detection?

The sensor maintains its 10 mm resolution and 5 % linearity across the full 50...500 mm working range, with a 450 mm measuring span.

How much heat or drift appears during continuous 24 V operation?

Current draw stays below 40 mA at 24 V DC; temperature drift is 1 mm/K within the -10...60 °C ambient range.

Which power supply and cable must I already have for the M12 connector?

A 20...30 V DC source and a 4-pin M12 × 1 cable are required to power the sensor and read the 0...10 V analog output.

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