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RE: Freezer Alarm


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: Freezer Alarm
  • From: "Don McAllister" <donmc@xxxxxxx>
  • Date: Tue, 21 May 2002 10:21:35 +0100
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

Sounds good, what would I need to do to knock up a timer circuit and
buzzer - bearing in mind I'm no electronics wiz?

Cheers
Don

> -----Original Message-----
> From: Kenneth Watt [mailto:kennwatt@xxxxxxx]
> Sent: 21 May 2002 10:13
> To: ukha_d@xxxxxxx > Subject: RE: [ukha_d] Freezer Alarm
>
> What you could get away with then, although not pretty, is to use some
> short self-tappers into the outer skin of the door at the opening side
> and the bit of the outer cabinet that meets it with brackets to mount
a
> microswitch. You can get away with this, but make sure that the
> self-tapping screws cannot pierce the inner wall of the fridge or
> freezer and, for good measure, I would be inclined to out nylon or
> rubber washers under the screw heads just to tray and stop and
moisture
> getting into the insulation.
>
> HTH
>
> K.
>
> > -----Original Message-----
> > From: Don McAllister [mailto:donmc@xxxxxxx]
> > Sent: 21 May 2002 10:03
> > To: ukha_d@xxxxxxx > > Subject: RE: [ukha_d] Freezer Alarm
> >
> > Ken, It's freestanding and located in our utility room so any old
> kludge
> > will do. The utility room is next to the kitchen so any audible
alarm
> > would suffice. Thought if it could trigger after two minutes of the
> door
> > being left ajar that would probably do it. I wouldn't want to get so
> > sophisticated as measuring the temp.
> >
> > Cheers
> > Don
> >
> > > -----Original Message-----
> > > From: Kenneth Watt [mailto:kennwatt@xxxxxxx]
> > > Sent: 21 May 2002 09:36
> > > To: ukha_d@xxxxxxx > > > Subject: RE: [ukha_d] Freezer Alarm
> > >
> > > Don is it integrated or freestanding?
> > >
> > > BTW, if the alarm light comes on then the temp has already, on
most
> > > machines, risen to above -15C and the food has already started to
> > > perish!!
> > >
> > > -18C is the optimum temp for food storage and most machines cycle
> > > between -15C and -21C to give an average -18C so, basically if you
> > > notice that the food is soft it's out with the big frying pan! ;-)
> > >
> > > K.
> > >
> > > > -----Original Message-----
> > > > From: Don McAllister [mailto:donmc@xxxxxxx]
> > > > Sent: 21 May 2002 09:11
> > > > To: ukha_d@xxxxxxx > > > > Subject: RE: [ukha_d] Freezer Alarm
> > > >
> > > > I was thinking more of some sort of contact switch and audible
> alarm
> > > > with a setting to go off if the contact is broken for more than
a
> > set
> > > > time. Looking for something self contained and simple.
> > > >
> > > > Don
> > > >
> > > > > -----Original Message-----
> > > > > From: Mark McCall [mailto:mark@xxxxxxx]
> > > > > Sent: 21 May 2002 08:59
> > > > > To: ukha_d@xxxxxxx > > > > > Subject: Re: [ukha_d] Freezer Alarm
> > > > >
> > > > > > SWMBO has requested a Freezer Alarm due to me leaving the
> > freezer
> > > > door
> > > > > > ajar for the 3rd time :-)
> > > > > >
> > > > > > Any pre-built solutions available or any suggestions
> > appreciated.
> > > > >
> > > > > Does it have a light?  Could you monitor that and alarm if
it's
> on
> > > for
> > > > > more
> > > > > than say 30secs.
> > > > >
> > > > > M.
> > > > >
> > > > >
> > > > >
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