Convergent Models

Model1

Sensing Mode

Range or Focus

Spot Size at Focus

Supply Voltage

Output Type

SME312CV

Convergent, Visible red, 650 nm

16 mm (0.65 in)

1.3 mm (0.05 in)

10 V dc to 30 V dc

Bipolar NPN/PNP

SME312CV2

Convergent, Visible red, 650 nm

43 mm (1.7 in)

3.0 mm (0.12 in)

SME312CVG

Convergent, Visible green, 525 nm

16 mm (0.65 in)

1.0 mm (0.04 in)

SME312CVB

Convergent, Visible blue, 475 nm

16 mm (0.65 in)

1.8 mm (0.07 in)

SME312CVW

Convergent, Visible white, 450–650 nm

Glass Fiber Optic Models

Model1

Sensing Mode

Range or Focus

Supply Voltage

Output Type

SME312F

Glass Fiber Optic, 880 nm infrared

Range varies by sensing mode and

fiber optics used

10 V dc to 30 V dc

Bipolar NPN/PNP

SME312FV

Glass Fiber Optic, Visible red, 650 nm

SME312FVG

Glass Fiber Optic, Visible green, 525 nm

SME312FVB

Glass Fiber Optic, Visible blue, 475 nm

SME312FVW

Glass Fiber Optic, Visible white, 450–650 nm

Plastic Fiber Optic Models

Model1

Sensing Mode

Range or Focus

Supply Voltage

Output Type

SME312FP

Plastic Fiber Optic, Visible red, 650 nm

Range varies by sensing mode and

fiber optics used

10 V dc to 30 V dc

Bipolar NPN/PNP

SME312FPG

Plastic Fiber Optic, Visible green, 525 nm

SME312FPB

Plastic Fiber Optic, Visible blue, 475 nm

SME312FPW

Plastic Fiber Optic, Visible white, 450–650 nm

Overview

Amber output

indicator LED

Bi-color green/red

indicator LED

popular, robust and compact rectangular housing. Their large push button

and easy-to-see indicators provide easy configuration, alignment, and

monitoring during use.

Retroreflective and Polarized Retroreflective Mode models are excellent

for sensing relatively small items where opposed-mode sensing is not

possible. They are recommended for relatively clean environments where

high excess gain is not required. Polarized models filter out unwanted

reflections.

Polarized Retroreflective Mode – Clear Object Detection models reliably

detect the presence of clear objects.

Diffuse Mode models are excellent for sensing objects of adequate size and reflectivity at short range. Divergent models

are useful for sensing small items and translucent or transparent materials at close range. The SME312DV sensors

effectively sense specular surfaces like semi-conductor wafers, disk drive media, glass and machined surfaces. The

collimated optics of the SME312DV also permits the sensor to be mounted against clear container walls, view ports and

other types of optical “feed-throughs.”

Convergent Mode models are a good choice for counting adjacent radiused objects and for accurate position sensing.

Blue, green and white beam models are recommended for color mark sensing.

Glass Fiber Optic models are an excellent option for sensing in tight or otherwise inaccessible areas. Fibers withstand

vibration and shock and are immune to electrical noise. Glass fibers withstand high temperatures, extreme moisture and

corrosive materials. Glass fibers are not recommended for applications requiring bending or repeated flexing (see plastic

fiber models). Visible beam models are recommended for color mark sensing.

MINI-BEAM SME312 Expert Series

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