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Simply a kitchen faucet with a thermometer sticking out of it. The thermally sensitive part of the thermometer is in contact with the water stream, and the visible part sticks out the top. This allows you to know if your water is at the correct temperature for clean dishes.
Acceptable temperature
range should be labeled, along with temperature.
Thermochromic Dinner Service
http://www.halfbake..._20Dinner_20Service Idea inspired by (ok, completely plundered from) [jon]. [Worldgineer, Oct 05 2004, last modified Oct 17 2004]
Floating Thermometer
http://shop.store.y...dpets/thteflth.html Another (though less elegant) solution. [Worldgineer, Oct 05 2004, last modified Oct 21 2004]
Faucet Friend
http://www.udeducat...h/student/floyd.asp The Faucet Friend is a simple water temperature safety device that changes color and is attached to the end of a faucet. [waugsqueke, Oct 05 2004, last modified Oct 21 2004]
Similar idea, beautiful implementation
http://www.equasystem.com/eng/index.htm [Worldgineer, Jun 16 2006]
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[worldgineer] glad to inspire!+ |
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Have it as an LCD display on the sink rim, powered by the flow of water through the tap. |
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// correct temperature for clean dishes // |
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Or for non-burned hands. Truly excellent. + |
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I imagine that hot water for washing-up is efficient as it dissolves fat more easily and thus convenient. If it were a hygiene requirement it would have to be at boiling point to destroy germs. |
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[jon]'s link said between 50°C and 60°C is a good range. Sure boiling is probably better, but do you really boil your dishes? |
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Gromit, so glad to see you here again! |
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It takes thermometers a bit of time to register correct temps if I'm not mistaken. That's a lot of running water. |
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Automatic digital shower controlers preform a similar action. But they regulate the temperature of the water as well ... just bake into your kitchen sink, and you're all set! |
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[k] It's related to the mass of the fluid in the thermometer and the conductivity of the glass and fluid. Make it a small thermometer, and it may have a fast enough response time. If not, we can always go with a thermocouple - they have very little mass and are nicely conductive (no glass), so have a very fast response time. |
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I like this idea for children's safety---not getting the water too hot or cold for little hands and feet. Call the patent office, [Worldgineer]. |
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Agree with fort... I'd call this more or less baked by digital temp shower faucets. It makes sense that if you want to know the temperature, you'd certainly want to control it as well. So I'd eschew this in favour of going right to a digital kitchen tap. |
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Great link, [waugs]. This is exactly what I had first imagined during my comment in [jon]'s idea. I think they'll have response time problems unless they thermally insulate it from the faucet, and even then make sure it's made out of something nicely thermally conductive (I'd go with copper). Other than that, it seems very viable. |
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This would also be a big help for activating yeast. |
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Do I sense a homebrewer ? |
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//activating yeast//
why?? |
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Similar widely used in darkroom sinks for knowing and
setting water temperature, back when people used
darkrooms for film developing. |
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Another similar device (offered as food for thought, no
opinion as to redundancy is presumed) : |
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Our hot water heater has a controller at the kitchen sink
(mounted on the wall behind) that lets me set the hot
water temperature between 96 F and 140 F. I have to
wait for the lag from the new water temp to course
through the pipes to the faucet, but that's usually no big
deal. I could buy extra controls to install at any faucet in
the house, but our house is small, so one is enough. We
use it to set a safe temperature for bathing the kids,
setting a high temp for dishwashing, and setting the
perfect shower temperature. |
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An alternative to the "Faucet Thermometer" idea would be to use one of those floating thermometers that are commonly used in hot tubs. I thought up the faucet idea because I hand-wash directly out of the faucet (just two here using dishes, and most everything goes in the dishwasher). However, it occurs to me that most people probably fill the sink with hot water first. |
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