If the wide angle (270°) coverage is too wide for

Maximum Coverage Angle

your application, you may need to use one or both

(Without Lens Shield)

shields to reduce the coverage angle.

 

 

 

270°

 

Decide which side of the lens you want to

 

 

 

 

 

 

cover.

 

 

 

Pull the lens shield out to block a portion of

 

 

 

the lens. Each lens shield will reduce the cov-

 

 

 

erage area by approximately 35° when fully

 

 

 

extended.

 

 

 

Lens

Shield Fully

Extended

35°35°

Approximate Area

Blocked with Lens Shield

Fully Extended

If the sensor is not kept level you may experience an apparent decrease in range because objects may pass under the detection zone without be- ing detected.

Lens Shield Fully Recessed

598-1341-00

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Image 11
Heath Zenith SH-9250-WH, SH-9250-BZ manual Without Lens Shield