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michael F
How do i tell the value of the thermister on my solar pool heating controller, there is one on the roof?
My spa pool has a solar controller with a thermister on the roof to check the temperature of the air and another inserted into the spa pool return pipe. The thermister is enclosed in an epoxy base and is not visible, my understanding of a thermister is that its resistance changes according to temperature. I have a multi meter and am able to measure its resistance, but are there other factors i may need to consider ? i'll be buggered if i'm going to pay the pool company $100 for each sensor for what probably is only worth a few dollars.
Thanks in advance
Mick
1 AnswerOther - Electronics7 years agoDoes the word Labourer come from the term Lay Brother?
Was watching a documentary on the history channel and there was mention of lay brothers working at english monasterys during the dark ages, and refered to the hard manual work they used to have to undertake to earn their keep. I wonder if this is where the modern day word, labourer comes from ?
3 AnswersWords & Wordplay9 years agoCan i use my iphone to access the internet on an ipad?
I have an iphone 3g and am happy with it other than it is really hard to surf the net as the screen is so small. If i buy an ipad, can i connect it to my iphone 3g to surf the net or do i have to buy a seperate sim card for the ipad?
5 AnswersPDAs & Handhelds1 decade agogps car navigation with built in organiser?
Anyone know of a car navigation system with a built in organiser ?, my palm pilot died recently so i was wondering if there is a gps unit that combines the two. I would like to store my jobs for the day and be able to synchronise them with my pc at home
2 AnswersPDAs & Handhelds1 decade agoPalm pilot Tungsten E2 due for retirement, where to next ?
Have had my Palm Tungsten E2 for about 5 years now, very happy with it, which product to go to next though, preferably one that i can migrate my existing files to the new device plus the ability to store some Adobe pdf files on as well.
Any reccomendations much appreciated.
Cheers
Mike
1 AnswerPDAs & Handhelds1 decade agoLaying Terracotta pool coping tiles?
I have tried unsuccesfully to lay pool coping tiles round my pool twice now, using the reccomended sand and cement mixture with an additive and both times the tiles have lifted, the tiles have a smooth backing, ie no rough surface for better grip, i believe this is probably half the problem. Is there a rubberised adhesive on the market that is also waterproof and wont be eaten away by the pool chlorine ?
2 AnswersDo It Yourself (DIY)1 decade agoWhy were south american civilizations more technologicaly advanced than North American ones?
If the common theory of migration via a Baring strait land bridge stands how is it that those that ventured to South America seemed to develop more advanced technologies, natural selection mayhaps ?
3 AnswersHistory1 decade agoIf Africa was the birthplace of humankind, how did they migrate to the Americas?
was it via a land bridge between asia and the Americas ? did they migrate from North America to the south or vice versa
11 AnswersAnthropology1 decade agoBest Chinese trade show to attend?
Would like to visit China to attend a trade expo, which would be the best one to attend and where.
3 AnswersChina1 decade agoWhy is it that humans tend to urinate more when its cold
I have noticed that when it is cold myself and others seem to urinate a lot more often and the bodies ability to retain fluids i.e (tea coffee etc )consumed seems to be reduced. Why is this. Any medicos out there have an answer for this one.
4 AnswersBiology1 decade ago