Matt wrote:
Looks like you have done a great job.
Thanks!
RRD graphs are reasonable striagth forward for temperatures, providing you
plan.
If you you know your high and low values and can settle on a samlpe rate the
rest is very achievable.
Think we can build them from SQL db data? Maybe php graphs may be a
better option for this situation.
I'd like to hear more about the physical sensors, are you building them
yourslef or are you using a comercial offering.
I'm making them myself. This was a learning experience for sure. I
think the first week or so i wasted about $50 worth of sensors trying
to come up with a good design. I ultimately ended up with passively
powered sensor...much like digitemps
instructions(http://www.digitemp.com/building.shtml), only without the
diode. To maintain a consistent bus, I looped cat5 through ordinary cat
3 wall modules in biscuit boxes. It made it very easy to add new
sensors when needed. The senors themselves, were soldered to 24" of
telecom cross connect wire with rj-11 ends crimped on. This made a
nice thin lead the would go behind door seals on refrigerators and such.
What value do you give this equipment, you're clearly in a healthcare
environment ?
I'm not sure what you mean? Value in terms of why would I want it?
It's clearly compliance. In the healthcare environment we are required
to log the temperature of certain equipment. Traditionally, this is
done once or twice a day on paper at each device. I believe there are
similar issues for food service companies.
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