The Broodminder sensors that I use come on a thin strip of plastic that is placed on top of the frames and the sensor is smack center over what would be a cluster in a central location. I doubt that it has capability to distinguish humidity depending on a location within a single brood chamber, though I guess nothing stops one from experimenting with the placement.

I hesitate to use the word "crude" to describe the level of measurements possible with these sensors, because they do provide very useful, additional information to a beekeeper.

My comment about the science vs. the old timers was based on the assumption that the level of healthy (or ideal) humidity levels inside overwintering hives has been already established (60-70%?) and a sensor like Broodminder can tell the beekeeper whether he/she needs to worry about ventilation. Looks like I assumed too much, :-(

Przemek

---- randy oliver <[log in to unmask]> wrote: 
> [...]
> Przemek (or anyone else), have you used accurately-placed modern-day
> humidistats to measure relative humidities at various points within and
> without the winter cluster?

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