Re: RF Immunity in Smoke Detectors

["Russell Brill" <russwbrill@xxxxxxxxxxxxx>]

Use shielded cable between the Smoke(s) and the control... In most cases,
the wiring acts as an antenna feeding RF into the detection device or the
control (sometimes BOTH)............ Regards, Russ

"Eyeball Kid" <jimbo1@xxxxxxx> wrote in message
news:EwXXg.42$AU6.33@xxxxxxxxxxxxxxx
>I have a customer who is an amateur radio operator and is complaining that
>whenever he is transmitting he trips the smoke detector we installed
>(System Sensor 2012HA).  He is asking for a smoke that is better designed
>for RF Immunity.
>
> Almost all the motions I have seen have some spec listing RFI  (typicall
> 30v/m 10-1000Mhz)  but I have not found any such spec on any of the smokes
> I have looked at.  (System Sensor, GE-Interlogix, DSC)
>
> Anyone have any suggestions for a smoke detector in a RF rich environment?
>
> Anyone done an install at a radio station (the transmitter not the studio)
> and what did you use?
>