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Re: Looking for Temp and humidity sensors
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Yes, Modules would probably be a better descriptor, thanks for the =
correction.
Thanks I will take a look at the Aprilaire version? Are there other =
companies outside of automation companies?
--=20
Brett Griffin, Co-Founder
Architechtronics
providing unique home technology solutions
Software for HAI/OnQ/Aegis
X-10 to UPB, Two-Way Translation
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"Marc F Hult" <MFHult@xxxxxxxxxxxxxxxxxxxxx> wrote in message =
news:m080s1pb4hr7pkmpubkv7ts68q2tlhvgjr@xxxxxxxxxx
> On Sat, 7 Jan 2006 11:23:05 -0800, "Brett Griffin"
> <bret.griffin@xxxxxxxxxxx> wrote in message
> <MIOdnTVjSb2IiF3eRVn-jA@xxxxxxxxxxx>:
>=20
> I have no experience with HAI's sensors and thus no opinion as to =
whether
> they are "good".=20
>=20
> But HAI modules are prohibitively expensive for my purposes and =
budget.
>=20
> You write "sensor" without elaborating, but it is beginning to seem =
that
> what you want are _modules_ that can communicate rather than a bare =
sensing
> element.=20
>=20
> Some very accurate temperature sensors (a silicon diode for example) =
cost
> 1/1000th of what I'd speculate that a HAI temperature module costs =
And
> calibrated thermistors, Dallas 1-wire devices, and LM34/35's cost on =
the
> order of US$1 and so enjoy about a 40-fold cost advantage compared to =
HAI
> (and Adicon and ELk and Aprilaire ) temperature _modules_.=20
>=20
> Of the humidity _modules_ that I know something about (HAI, Adicon,
> Aprilaire/Enerzone) and that are available (Elk's humidity sensors =
have not
> been released yet, but the temperature modules have) I've chosen to =
use
> Aprilaire's because:=20
> 1) they are industry standard for HVAC,=20
> 2) have a publicly available, simple ASCII protocol for=20
> communication over RS-485,=20
> 3) are compatible with my existing Aprilaire/Enerzone thermostats=20
> 4) which in turn are supported by all the common HA programs=20
> -- but not HAI which has its own stuff to sell. =20
>=20
> HTH ... Marc
> Marc_F_Hult
> www.ECOntrol.org
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<DIV><FONT face=3DArial size=3D2>Yes, Modules would probably be a better =
descriptor,=20
thanks for the correction.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks I will take a look at the =
Aprilaire=20
version? Are there other companies outside of automation=20
companies?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT><BR><FONT face=3DArial =
size=3D2>-- <BR>Brett=20
Griffin, Co-Founder<BR>Architechtronics<BR>providing unique home =
technology=20
solutions</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><A=20
href=3D"http://www.architechtronics.com/fidoh.html";>Software for=20
HAI/OnQ/Aegis<BR></A></FONT><FONT face=3DArial size=3D2><A=20
href=3D"http://www.architechtronics.com/chameleoplc.html";>X-10 to UPB, =
Two-Way=20
Translation</A><BR></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial=20
size=3D2>----------------------------------------------------------------=
------------------------------------------------------------</FONT></DIV>=
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>"Marc F Hult" <</FONT><A=20
href=3D"mailto:MFHult@xxxxxxxxxxxxxxxxxxxxx";><FONT face=3DArial=20
size=3D2>MFHult@xxxxxxxxxxxxxxxxxxxxx</FONT></A><FONT face=3DArial =
size=3D2>> wrote=20
in message </FONT><A=20
href=3D"news:m080s1pb4hr7pkmpubkv7ts68q2tlhvgjr@xxxxxxx";><FONT =
face=3DArial=20
size=3D2>news:m080s1pb4hr7pkmpubkv7ts68q2tlhvgjr@xxxxxxx</FONT></A><FONT =
face=3DArial size=3D2>...</FONT></DIV><FONT face=3DArial size=3D2>> =
On Sat, 7 Jan=20
2006 11:23:05 -0800, "Brett Griffin"<BR>> <</FONT><A=20
href=3D"mailto:bret.griffin@xxxxxxxxxxx";><FONT face=3DArial=20
size=3D2>bret.griffin@xxxxxxxxxxx</FONT></A><FONT face=3DArial =
size=3D2>> wrote in=20
message<BR>> <</FONT><A=20
href=3D"mailto:MIOdnTVjSb2IiF3eRVn-jA@xxxxxxxxxxx";><FONT face=3DArial=20
size=3D2>MIOdnTVjSb2IiF3eRVn-jA@xxxxxxxxxxx</FONT></A><FONT face=3DArial =
size=3D2>>:<BR>> <BR>> I have no experience with HAI's sensors =
and thus=20
no opinion as to whether<BR>> they are "good". <BR>> <BR>> But =
HAI=20
modules are prohibitively expensive for my purposes and budget.<BR>> =
<BR>>=20
You write "sensor" without elaborating, but it is beginning to seem =
that<BR>>=20
what you want are _modules_ that can communicate rather than a bare=20
sensing<BR>> element. <BR>> <BR>> Some very accurate =
temperature=20
sensors (a silicon diode for example) cost<BR>> 1/1000th of what I'd=20
speculate that a HAI temperature module costs And<BR>> =
calibrated=20
thermistors, Dallas 1-wire devices, and LM34/35's cost on the<BR>> =
order of=20
US$1 and so enjoy about a 40-fold cost advantage compared to =
HAI<BR>>=20
(and Adicon and ELk and Aprilaire ) temperature _modules_. <BR>> =
<BR>> Of=20
the humidity _modules_ that I know something about (HAI, Adicon,<BR>> =
Aprilaire/Enerzone) and that are available (Elk's humidity sensors have=20
not<BR>> been released yet, but the temperature modules have) I've =
chosen to=20
use<BR>> Aprilaire's because: <BR>> 1) they are industry standard =
for=20
HVAC, <BR>> 2) have a publicly available, simple ASCII protocol for =
<BR>>=20
communication over RS-485, <BR>> 3) are compatible with =
my=20
existing Aprilaire/Enerzone thermostats <BR>> 4) which in turn are =
supported=20
by all the common HA programs <BR>> -- but not HAI which =
has its=20
own stuff to sell. <BR>> <BR>> HTH ... Marc<BR>>=20
Marc_F_Hult<BR>> </FONT><A href=3D"http://www.ECOntrol.org";><FONT =
face=3DArial=20
size=3D2>www.ECOntrol.org</FONT></A></BODY></HTML>
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