I think any sensible manufacturer would not offer this as it would
clearly show the variations in temperature as the control system cut in
and out causing some customers to be dissatisfied and letters of complaint.
I can't imagine other than a very high end oven employing a 3 term PID
controller when a gradual variation +/- a few degrees from a simple bang
bang controller would make no discernible difference in cooking performance.
I've simply got a couple of "floating" thermocouples in my double oven
wired up to a standard display. It is interesting how rapidly the air
temperature drops when the door is opened, and how relatively slow it is
to recover. I regularly use an IR thermometer to check the temperature
of the linings, and sometimes use a probe in the joint. Several decades
ago Cannon had an oven which came with a built-in probe and display.
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Not a conventional oven, but many years ago my parents had a Sharp
microwave with a temperature probe. You could set a temperature and a
time and it would heat to that temperature and then hold that
temperature for the set time.
On Thursday, 31 May 2018 19:16:56 UTC+1, Dave W wrote:
Well most temp sensors use metal in their construction.
Which is why you couldn't just put a LCD display in a microwave oven.
I doubt you could just place a thermomerter in their either un less you has
a suitable one, a meriry one might explode as would a standard alcohol fil
In such an oven you get really rapidily changing temperatures too, and it s
o much depends on what you are heating. I checked the o/p of my old oven ye
ars ago. What yuo do is heat about 200ml of water for say a minute or two t
hen measure the temerature rise and apply the specific heat capacity of wat
er to work out teh power of the oven. You can't just stick a standard themo
meter in the oven.
On Friday, 1 June 2018 11:12:37 UTC+1, Rod Speed wrote:
What do they sense then, try one on yourself I bet they'll indicate nosense
but microwaves are effected by metal that's why you're not meant to put met
al in a microwave oven.
prove it, go on should be simple enough to do, even yuo should be abale to
place a thermometer in a microwave, swithc it on and measure teh temerature
Not if you want to know the power of your oven, as microwave ovens are spec
ified in watts not the deg C like convetnional ovens that;s why a micriwave
has heat setting as a percentage of full power whereas gas or electric con
ventinal ovens have things like temperature setting in C or F, rather than
Watts for X time.
That’s always been a myth. Plenty suggest you
put foil over the bony end of drumsticks etc so
they don’t get over cooked. Works fine.
Those Sharp temperature sensors do that.
of a known amount of water, fuckwit.
Irrelevant to whether you can measure
the temperature if you want to.
And when roasting something like a leg of lamb
or slab of beef, what you care about is the internal
temperature of the slab or leg, not the air in the oven.
But that doesn’t tell you the temperature that
matters with a leg of lamb or a slab of beef etc.
That’s why you have meat thermometers
and they work fine in a microwave too.
On Saturday, 2 June 2018 01:21:15 UTC+1, Rod Speed wrote:
This proves you know nothing.
You shouldn't you put metal unless the manufacturer says you can and any te
rms and conditions that need adhereing to.
As a demo we're put small neon bulbs in a microwave and they light up, the
neons burn out too and it doesn't do the oven much good either.
Just like any appliance yuo reealy need to understand it and it helps if yo
u read the instructions.
you mean the £110 ones sure that;s mote than a paid for my oven.
Why do you think they need to charge such an amount when I can buy a comple
te DMM which can measure temeprrature for a 1/10th of the cost ?
but yuo need to think about it a bit more fuckwit.
Something which you;re incapable of doing.
That;s why they give time and power rating on microwave ovens
whwre as conventalal ovens give time and temperature.
Exactly, so why don't they have temerature setting on microwave ovens. Why
bother with a 800W setting why not have a 180C settign like on conventional
Are you to thick to work it out ?
It was a fairly big (I think co-axial) cable with a pointed probe on one
end to stick into the food and a 6.5mm jack-plug on the other end, with
a socket in the top of the oven to allow the probe to rotate with the
food. As the cable braid is connected to the oven metalwork, it will act
as just another part of the oven - there is no unconnected metal with a
gap between it and the oven metalwork and so no spark-gap.
On Thursday, 31 May 2018 22:10:15 UTC+1, Steve Walker wrote:
Not bad but it's more than I paid for my microwave oven, I'd expect to see
them in poundshops like an other thermometer.
I wonder where else you can stick it and get a valid reading ?
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