On Fri, 28 Mar 2008 19:58:59 -0000, Mike Lewis wrote:

I've discovered that the problems we've been experiencing on our
Instromet weather station with regards to spikes in rainfall and
windspeed data is due to RF interference.

How are the sensors connected back to the consol, wires or radio?

to the serial cable connected to the PC.

It might be getting into the serial cable but bear in mind that RS232 runs
at a nominal +/- 12V signal level but should work down to +/- 3V.

--
Cheers
Dave.