[volt-nuts] Temperature sensor

Neville Michie namichie at gmail.com
Wed Mar 16 19:13:17 EDT 2016

Averaging in software is preferable for temperature measurement.
If you shield a sensor from air currents you leave it far more 
sensitive to radiation errors and errors from conduction along the leads.
These problems only increase if you try to place a brick on the sensor to 
average the response, you simply decrease the dependence on air temperature 
and increase radiation and conduction problems.
Neville Michie

> On 17 Mar 2016, at 6:19 am, Joseph Gray <jgray at zianet.com> wrote:
> I want to setup an experiment where I log both voltage and
> temperature. I will be using DS18S20 sensors. I would like to shield
> the sensors from direct air currents due to AC and heating system.
> I'm thinking perhaps something simple, like a pill bottle drilled with
> holes to minimize the effects of air currents. Or even an open ended
> pill bottle with no holes. What would you suggest?
> It might be interesting to also log a sensor that is in the air flow
> of the room, at the same time.
> Joe Gray
> W5JG
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