Re: RF Immunity in Smoke Detectors

[SeanS <alarmdude01@xxxxxxxxx>]

Russell Brill wrote:
> 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?
>>
>
>
Russ has some good starting advice. As an amateur radio operator Im
curious as to what band he is transmitting on when this occurs.