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 Mercury Removal - But No replacement 
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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Thu Sep 28, 2017 8:48 pm 
Professor
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Location: Brampton
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darrog wrote:
As you probably know the MetO source their thermometers from Zeal.
On Zeal's website I found this:

NEW - Ordinary and Maximum type meteorological thermometers can now be supplied in non-mercury. Contact us for details.

Now isn't that interesting?


I think if I remember what Tony E said that they handt found anything that could replicate the Mercury thermoms, he mentioned Zeal. Perhaps not up to scratch. But dont quote me on that as I cannot remember exactly what he said. I was more concerned at the instructions for swapping the battery over at the end of the month !

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Thu Sep 28, 2017 9:33 pm 
Weather Nut
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Joined: Mon Nov 02, 2009 10:23 pm
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Location: Maulds Meaburn, Cumbria
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Weather Station: Davis VPro2
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However, I have still sent the following to Met'O enq's and cc'ed in Tony and Mike Stewart:

Dear Met’O – I am one of your official climate Stns (DCNN 7158) and have now had all of my mercury thermom’s removed, but not replaced.

Without wishing to go into the why, I am more interested in the when – so imagine my surprise when browsing the www today I chanced upon the following on Zeal UK’s website, the link being:
http://www.zeal.co.uk/meteorological-thermometers.html

NEW - Ordinary and Maximum type meteorological thermometers can now be supplied in non-mercury. Contact us for details.

This to me begs the question, what is going on and why will the replacement Max’ thermom be the Vaisala and not the Zeal?

Look forward to your reply.

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Sat Sep 30, 2017 12:19 pm 
Weather Nut
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Joined: Mon Nov 02, 2009 10:23 pm
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Location: Maulds Meaburn, Cumbria
Altitude: 183
Weather Station: Davis VPro2
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Reply back from the Met'O is:
Thank you for your email, and your continued dedication to supplying data for the nation’s Archive.

I can confirm that the thermometers currently being calibrated have originated from Zeal, and will be used to replace your wet bulb. We are awaiting arrival from calibration and will be sent into the network as soon as possible. We will be in touch again shortly.

A tendering process was also run for the dry and maximum thermometers, this involved evaluation of a number of criteria, which the Vaisala was ultimately the winner.

If you would like to discuss further please do feel free to give me a call.


Regards
Adam Barber
Climate, Pollen and Rainfall Network Manager
Met Office, FitzRoy Road Exeter EX1 3PB
Mobile: 07900 736528 Fax: +44 (0)1392 885877
E-mail: adam.barber@metoffice.gov.uk



My reply to Adam is:

Adam – thanks for the reply.
Whilst I'm aware that the Vaisala will perform the max and DB, from the photos that I have seen it looks as though there is very little room left for ordinary hanging thermom’s once the Vaisala has been mounted and it will be interesting to see how it works – and the reading of the WB will also prove interesting with the Vaisala in the way – see photo below.
Is there still a commitment from yourselves for WB readings?
Guess that just leaves the 30+100 earth thermoms.
However, interesting times and just looking forward to being back up and running with approved equipment.

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Sat Sep 30, 2017 8:27 pm 
Professor
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Location: Brampton
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At least they have replied.

I am guessing that behind the scenes many staff are equally frustrated as ourselves but of course must tow the party line

Of course I am more a Boris type myself and I suspect Darren is aswell so always pushing the boundaries whilst remaining just about in control.

Your right about the room, the new device is very big. It can shift to the left. I may try and loosen and re -position and see if a wetbulb will fit

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Thu Oct 12, 2017 11:55 am 
Professor
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Location: Brampton
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Battery failure this morning meant I had no max temp at 10am

Battery replaced and fortunately recorded data saved

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Brampton. 117m ASL.
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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Thu Oct 12, 2017 9:25 pm 
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Location: Maulds Meaburn, Cumbria
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I don't think they like me now.

Adam never replied to the above
When I rec'd my monthly owl returns I filled in the missing blanks for the x2 Mins and rain and again asked about Wow going forward - normally Mike Stewart replies, but it obviously got passed to Tony who replied.

I still do not know what 'they' want me to do with wow - albeit my e-mail to owl did say that when they get their arse in to gear and get me some new thermos that I would get my own arse in to gear and start submitting wow data.

However, my own records trundle on unbroken.

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Tue Oct 24, 2017 10:44 am 
Professor
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Location: Brampton
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New Zeal Wet Bulb arrived today from Met Office - just about fits in screen, but setup not ideal and screen now very busy with wires and probes, may need re-arranging.

Probe from Dry bulb is sitting over wet bulb water container - I may need to shift the Max Unit to the left and put the wet bulb on the right handside. Thermometer looks the same apart from a dark red/black substance instead of the Mercury.

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Brampton. 117m ASL.
http://www.bramptonweather.co.uk
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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Tue Oct 24, 2017 12:37 pm 
Chief Area Forecaster
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Location: Drumburgh
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Paul C wrote:
Probe from Dry bulb is sitting over wet bulb water container - I may need to shift the Max Unit to the left and put the wet bulb on the right handside. Thermometer looks the same apart from a dark red/black substance instead of the Mercury.


Could you post a pic of that (inside screen) when you're finished?

Edit: Got my Wet/Dry thermoms this afternoon now in screen, easier to read liquid looks like blood BRR

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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Fri Oct 27, 2017 7:02 pm 
Professor
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Location: Brampton
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Screen as is today - I havent had time yet to shift anything to make it look better, looks a bit of a mess at the moment

ImageScreen by Paul Crabtree, on Flickr

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Brampton. 117m ASL.
http://www.bramptonweather.co.uk
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 Post subject: Re: Mercury Removal - But No replacement
PostPosted: Sat Oct 28, 2017 9:56 am 
Chief Area Forecaster
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Thanks Paul.

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