Re: "Nixietherm" IN-9 bargraph based thermomer

Stuckey
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9 years 11 months ago #2021 by Stuckey

Replied by Stuckey on topic Re: "Nixietherm" IN-9 bargraph based thermomer

Distribution within the US is a little more reliable than Germany -> United States

Hope you like it!

"If the laws of physics don't apply in the future, then god help you."
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Stuckey
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9 years 10 months ago #2121 by Stuckey

Replied by Stuckey on topic Re: "Nixietherm" IN-9 bargraph based thermomer

In case you missed it, NixieKits.eu is giving one away here: www.tubeclockdb.com/forum/Notices/2106-G...om-NixieKits%21.html

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Jean
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10 months 5 days ago #11619 by Jean

Replied by Jean on topic Re: "Nixietherm" IN-9 bargraph based thermomer

Hi,
what's the value of the resistance "R19" ?
Can you send me the schematic for -20°...+40°C ?
Thanks in Advance
Jean

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Ty_Eeberfest
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10 months 5 days ago #11620 by Ty_Eeberfest

Replied by Ty_Eeberfest on topic Re: "Nixietherm" IN-9 bargraph based thermomer

If you are trying to use the schematic on Page 1 of this thread then R19 is a fuse, not a resistor. But that is not the final design. He later posted an improved circuit and instructions in English and Deutch. I found it here:
www.tubeclockdb.com/forum/4-builders-for...rmomer?start=30#1773

If that's not enough info you should probably try to contact Jurgen directly for help. I have not seen him here in a long time (you'll notice this is a 9 year old thread).

Look into it later when the dust is clearing off the crater.

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Jean
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10 months 5 days ago #11621 by Jean

Replied by Jean on topic Re: "Nixietherm" IN-9 bargraph based thermomer

Do you can send me the redesign for -20°...+40°C ?

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Jean
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10 months 5 days ago #11622 by Jean

Replied by Jean on topic Re: "Nixietherm" IN-9 bargraph based thermomer

Thank you for your quick response.
I thought it was a resistance because it is labeled "R" and not "F".
I found this scheme on this link:
www.instructables.com/id/Analog-IN-13-ba...ie-tube-thermometer/
But there are discrepancies with the transistors (see BeerLogic discussion on this link) and the type / value of the inductor "L1" is not specified.
What scheme do you suggest for the replica? Does the scheme already exist for -20º to + 40º?

Mr Nixie: “The termometer has a second input, but actual the circuity isn't able to display temperatures lower than 2 ° C. The measurement range of this input is actual + 30 ° ... + 60 ° C and can be used e.g. to monitor the processor temperature of the PC. But I can do a redesign for an extended temperature range on the second input, displayed on the left scale, let's say -20 ° ... + 40 ° C ”

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