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    How should the Beam Smokes be cleaned?

    Question

     

    How should the Beam Smokes be cleaned?

     

    Answer

     

    The following should be considered when cleaning.

    The maximum voltage peaked reading will vary depending on the distance between the transmitter and receiver. The acceptable peaked voltage range is 0.50 to 5.00 V. The voltage at the receiver is greater at shorter distances. It is very important to peak the voltage to insure a stable trouble free detector. Hint: Make a note of the alignment voltage. It may be helpful if future troubleshooting is necessary. At least once a year, the outside of the covers should be cleaned with a common window cleaner and a soft, clean cloth. Under normal conditions, this should not result in a trouble alarm as long as the beam is not continuously blocked for more than 18 sec. After cleaning, recheck the reference voltage. If the voltage is less than 3.8 VDC, or greater than 4.2 VDC, calibrate the units.

    Part numbers DS240, DS241, D296, D297

    Version history
    Revision #:
    3 of 3
    Last update:
    ‎05-30-2022 04:41 PM
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