RE: Recomendation for Humidity Sensors and for Lux Sensors

["Nigel Giddings" <nigel.giddings@xxxxxxx>]

Chris,

My two Bobs worth.

I have been using Homeseer for a few months now and have recently added the
Midon Design Temp05. I hope to start a new house build in the new year, my
wife tells me 2 February, and have been experimenting in the existing
house.

I do not have any Humidity Sensors connected yet but I do have half a dozen
temp sensors (it supports humidity as well although haven't bought them as
of now). Having the temperature values available in Homeseer in the PC is
great. At the moment I am controlling my hot water supply and will rig up
for Central heating before Christmas. I am very pleased with the
reliability, and relative simplicity. The unit supports 20 x Temp and 20 x
Humidity as well as One Wire Weather stations which I will have but no date
in mind yet. Getting back to the Humidity it would be better if you could
calculate dew point which I suppose you can if you have temperature as well
? I also bought the RELAY05 board that connects to the Temp05 board and
gives you 8 x 3A double pole changeover relay contacts. These directly
replace the thermostat switches (one is wired in parallel with the bathroom
light switch as well).

As far as the Lux sensor you can use the dusk /dawn calculator in homseer
so
that they only operate before / after or around those times or you could
use
an external one just in case it gets very cloudy / dark sometimes ? I am
using an alarm PIR for the bathroom light via Homeseer and the Gameport
interface on the PC but the light is set to come on Night and Day as the
room is dark anyway. It would be very easy to add in a condition based on
30
minutes or so before dusk and 30 minutes or so after dawn... I suppose the
ideal would be an analogue light value into Homseer for light level so room
lights could operate depending on the percentage of natural light they
receive. Haven't seen anything like that though.

I suppose what I am trying to say is that I am very please with Homseer and
the Midon Design Temp05 / Relay05 set-up.

Nigel

-----Original Message-----
From: Chris Langridge [mailto:chrisl@xxxxxxx]
Sent: 08 December 2001 22:57
To: 'ukha_d@xxxxxxx'
Subject: [ukha_d] Recomendation for Humidity Sensors and for Lux Sensors

Guys,

Have any of you got any experience with tying the following into HV

HUMIDIDTY SENSOR
For example would it make sense to use one to operate a Fan in a utility
room rather than a fan with a built in humidistat (where the trigger point
is always preset)

I need a humidity sensor in our larder too to prevent too much mould
growing
on the cheese. (Don't laugh Mike, It's no different from keeping the disks
on the Porche dry :-)) So any recommendations would be great + a choice of
cabling.

OUTSIDE LUX SENSOR
This is for your basic lighting control. For example: no point in having an
occupancy PIR turn on the bathroom lights in the middle of the day. So I
figured on one (or maybee two) outside sensors to set a threshold in HV.
Any
recommendation here for a unit + a choice of cable?

Comfort will want to know about the light levels too. How is this info best
passed to Comfort? Or would you recommend that a security system has it's
own dedicated lux sensor?

Chris


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