Heath-consultants Optical Methane Detector (OM) Manual do Utilizador descarregar pdf (Página 29)

ALIGNMENT

Then, the alignment screws on the Receiver are used to optimize the

light level as observed on the Display. This last step directs the

optical beam through the optical components of the Receiver to the

Detector.

Place a piece of tracing paper in front of the receiver input lens

and you will be able to see the rectangular shaped light beam

projected onto the lens as well as the outline of the lens itself. If

this light beam is not projecting onto the receiver lens at its cen-

ter, adjust the alignment screws on the back of the light source

until it is.

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Heath-consultants Optical Methane Detector (OM) Manual do Utilizador Página 29