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#1
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Max/min thermometer.
On Sunday I paid £9.99 at a garden centre for a max/min thermometer: it
worked for one day before the iron wire within it sank below the surface of the blue liquid on the max temp' side and the thing became n.b.g.! Today I took it back and was refunded the money. On my way home I called at an ironmonger's and asked them if they had a max/min thermometer. "In all honesty I could not recommend buying one from anywhere if it has a blue liquid in it." one of the assistants told me. I explained what had happened to the one I'd bought and the assistant said, "It's the b----- EU and a directive about mercury I've been told! We had some with mercury in and they worked a treat but we had to return them and were sent those useless things which we've now got rid of back to the supplier." Now my question is, "Can anybody recommend a make of max/min thermometer which works and does not cost more than about a tenner?" I do not want an electronic one. Geoff |
#2
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Max/min thermometer.
"Geoff" wrote in message ... On Sunday I paid £9.99 at a garden centre for a max/min thermometer: it worked for one day before the iron wire within it sank below the surface of the blue liquid on the max temp' side and the thing became n.b.g.! Today I took it back and was refunded the money. On my way home I called at an ironmonger's and asked them if they had a max/min thermometer. "In all honesty I could not recommend buying one from anywhere if it has a blue liquid in it." one of the assistants told me. I explained what had happened to the one I'd bought and the assistant said, "It's the b----- EU and a directive about mercury I've been told! We had some with mercury in and they worked a treat but we had to return them and were sent those useless things which we've now got rid of back to the supplier." Now my question is, "Can anybody recommend a make of max/min thermometer which works and does not cost more than about a tenner?" I do not want an electronic one. Geoff Hi Geoff, The ones below are £14.50 - if that's any use?? http://www.alanaecology.com/acatalog...ermometer.html Chris S |
#3
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Max/min thermometer.
"Geoff" wrote in message ... On Sunday I paid £9.99 at a garden centre for a max/min thermometer: it worked for one day before the iron wire within it sank below the surface of the blue liquid on the max temp' side and the thing became n.b.g.! Today I took it back and was refunded the money. On my way home I called at an ironmonger's and asked them if they had a max/min thermometer. "In all honesty I could not recommend buying one from anywhere if it has a blue liquid in it." one of the assistants told me. I explained what had happened to the one I'd bought and the assistant said, "It's the b----- EU and a directive about mercury I've been told! We had some with mercury in and they worked a treat but we had to return them and were sent those useless things which we've now got rid of back to the supplier." Now my question is, "Can anybody recommend a make of max/min thermometer which works and does not cost more than about a tenner?" I do not want an electronic one. Geoff Or this one at £9.50 http://www.bio.scarletts.co.uk/Max-M...er_(Trad).html Chris S |
#4
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Max/min thermometer.
"Geoff" wrote in message ... On Sunday I paid £9.99 at a garden centre for a max/min thermometer: it worked for one day before the iron wire within it sank below the surface of the blue liquid on the max temp' side and the thing became n.b.g.! Today I took it back and was refunded the money. On my way home I called at an ironmonger's and asked them if they had a max/min thermometer. "In all honesty I could not recommend buying one from anywhere if it has a blue liquid in it." one of the assistants told me. I explained what had happened to the one I'd bought and the assistant said, "It's the b----- EU and a directive about mercury I've been told! We had some with mercury in and they worked a treat but we had to return them and were sent those useless things which we've now got rid of back to the supplier." Now my question is, "Can anybody recommend a make of max/min thermometer which works and does not cost more than about a tenner?" I do not want an electronic one. Geoff It was decreed that putting mercury metal in the hands of the great unwashed ( the public) was not a good thing:-) Pretty nasty stuff -so use blue or red dyed alcohol as an alternative. Totally accurate and environmentally sound. |
#5
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Max/min thermometer.
"Rupert (W.Yorkshire)" wrote in message ... "Geoff" wrote in message ... On Sunday I paid £9.99 at a garden centre for a max/min thermometer: it worked for one day before the iron wire within it sank below the surface of the blue liquid on the max temp' side and the thing became n.b.g.! Today I took it back and was refunded the money. On my way home I called at an ironmonger's and asked them if they had a max/min thermometer. "In all honesty I could not recommend buying one from anywhere if it has a blue liquid in it." one of the assistants told me. I explained what had happened to the one I'd bought and the assistant said, "It's the b----- EU and a directive about mercury I've been told! We had some with mercury in and they worked a treat but we had to return them and were sent those useless things which we've now got rid of back to the supplier." Now my question is, "Can anybody recommend a make of max/min thermometer which works and does not cost more than about a tenner?" I do not want an electronic one. Geoff It was decreed that putting mercury metal in the hands of the great unwashed ( the public) was not a good thing:-) Pretty nasty stuff -so use blue or red dyed alcohol as an alternative. Totally accurate and environmentally sound. Except that it doesn't seem to work! |
#6
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Max/min thermometer.
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#8
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Max/min thermometer.
It was decreed that putting mercury metal in the hands of the great unwashed ( the public) was not a good thing:-) I expect there's more mercury in the amalgam for a molar's filling than in the capilliary tube of a max/min thermometer. Restrictions might be OK for mercury barometers and some thermometers. Pretty nasty stuff .-so use blue or red dyed alcohol as an alternative. But the alcohol ones are useless! Hg's nasty perhaps but not highly reactive. I'm colour prejudiced in this, I want silver!! It's about time the EU banned apple pips which contain arsenic and what about rhubarb leaves full of oxalic acid then there's more dozens of garden plants which are really nasty! I also went down the same road. My next solution was to by a "spring" type that works like a clock, there are 2 pointers which get moved clockwise for max temp anticlockwise for min temp. There is a movable arm with which these arms are "zeroed" whenever required. It works well and was cheap, however I have doubt to its accuracy, as I am recording temperatures in excess of 50 degC in my mini greenhouse. So electronic here I come. However I am unable to source any locally (North Staffordshire) so I will have to bite the bullet and pay postage. Thanks for the last informative input. Why not check its accuracy with a standard thermometer? Thanks to all who answered. Geoff |
#9
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Max/min thermometer.
Geoff writes
It was decreed that putting mercury metal in the hands of the great unwashed ( the public) was not a good thing:-) I expect there's more mercury in the amalgam for a molar's filling People are already worried about that ;-) In the US there has been publicity given to alleged links between mercury amalgam fillings and depression. Not only are people shifting over to ceramic fillings, they are getting their amalgam fillings drilled out and replaced. than in the capilliary tube of a max/min thermometer. Restrictions might be OK for mercury barometers and some thermometers. Pretty nasty stuff .-so use blue or red dyed alcohol as an alternative. But the alcohol ones are useless! Hg's nasty perhaps but not highly reactive. I'm colour prejudiced in this, I want silver!! It's about time the EU banned apple pips which contain arsenic Not arsenic as well! ;-) Or did you mean cyanide? -- Kay |
#10
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Max/min thermometer.
A touch of cyanide's no problem, imagine marzipan without the taste of
almonds - but do not eat a lot with cheese for the enzymes might release it all at once! G |
#11
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Max/min thermometer.
On Thu, 29 Mar 2007 17:36:04 GMT, Geoff wrote:
A touch of cyanide's no problem, imagine marzipan without the taste of almonds - but do not eat a lot with cheese for the enzymes might release it all at once! G How else would you eat Christmas cake? -- Jim S Tyneside UK http://www.jimscott.co.uk |
#12
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Max/min thermometer.
Jim S wrote:
On Thu, 29 Mar 2007 17:36:04 GMT, Geoff wrote: A touch of cyanide's no problem, imagine marzipan without the taste of almonds - but do not eat a lot with cheese for the enzymes might release it all at once! G How else would you eat Christmas cake? What I forgot to add in my earlier post was that I also got a mercury min/max thermometer, the problem with that is that it did not always zero and the zero strip did not always reach the mercury, in addition the mercury was prone to split. this could be remedied by swinging the thermometer at arms length in a circle, when centrifugal force would correct it. A bit of a pain, in more ways than one at my age. ;-) |
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