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On 14/04/2022 12:24, alan_m wrote:
On 14/04/2022 11:45, Commander Kinsey wrote:
Where can I buy a large analogue meter? Big enough to show to a room
of people, about a foot long pointer.
Big screen TV with an analogue representation of a digital reading
performed in software.
Stepper motor and a counterbalanced pointer, and some drive electronics
and some software.
On Thu, 14 Apr 2022 11:52:32 +0100, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:
On a sunny day (Thu, 14 Apr 2022 11:45:06 +0100) it happened \"Commander
Kinsey\" <CK1@nospam.com> wrote in <op.1kl2tgobmvhs6z@ryzen.lan>:
Where can I buy a large analogue meter? Big enough to show to a room
of people, about a foot long pointer.
Use a small one, camera and monitor?
Or just draw it digitally on a monitor?
Could do, but I remember a long long time ago when I was at school, the
teacher had a voltmeter with a foot long needle. They must exist
somewhere.
Use a small one, camera and monitor?
Or just draw it digitally on a monitor?
They may well have existed then, but given the modern alternatives
suggested by Jan that exist, I doubt there\'s a market for large meters now.
Sylvia.
A small one and a smartphone/tablet video fed to a decent sized screen.
You wouldn\'t be able to afford an analogue meter that large.
Though you could build one from scratch in the true DIY fashion.
Model 8 Avo is about as big as they ever realistically get now.
ISTR Gallencamp (sp?) did larger ones for school labs back in the 70\'s.
There is a Unilab 8\" one +/- 50 uA on eBay right now.
https://www.ebay.co.uk/itm/115332876615
Big screen TV with an analogue representation of a digital reading
performed in software.
On Thu, 14 Apr 2022 14:22:42 +0100, The Natural Philosopher <tnp@invalid.invalid> wrote:
On 14/04/2022 12:24, alan_m wrote:
On 14/04/2022 11:45, Commander Kinsey wrote:
Where can I buy a large analogue meter? Big enough to show to a
room of people, about a foot long pointer.
Big screen TV with an analogue representation of a digital reading
performed in software.
Stepper motor and a counterbalanced pointer, and some drive
electronics and some software.
But they used to make them as just a normal meter, just a bigger
pointer and coil.
When the world went to meters with number readouts (digital meters)
\"they\" saw their demand for analog needle movements crater. Over time
\"they\" quit making analog needle movements all together.
With the exception of a few niche markets (i.e., Simpson 260) you
simply are *not* going to find a manufacturer making new product that
meets your desires.
Your choices are going to be: make it yourself or buy an antique (if
you can find one, and if you are willing to pay what the current owner
demands to part with the antique).
On Thu, 14 Apr 2022 12:16:28 +0100, Clive Arthur
clive@nowaytoday.co.uk> wrote:
On 14/04/2022 11:45, Commander Kinsey wrote:
Where can I buy a large analogue meter? Big enough to show to a room of
people, about a foot long pointer.
R/C servo with pointer, PIC with ADC, code.
This shouldn\'t be necessary, in the 80s in school we had enormous
voltmeters and ammeters for demonstrations. Just a simple coil meter
with a long lightweight pointer.
On Thu, 14 Apr 2022 13:45:24 +0100, Sylvia Else <sylvia@email.invalid
wrote:
On 14-Apr-22 9:13 pm, Commander Kinsey wrote:
On Thu, 14 Apr 2022 11:52:32 +0100, Jan Panteltje
pNaonStpealmtje@yahoo.com> wrote:
On a sunny day (Thu, 14 Apr 2022 11:45:06 +0100) it happened
\"Commander Kinsey\" <CK1@nospam.com> wrote in
op.1kl2tgobmvhs6z@ryzen.lan>:
Where can I buy a large analogue meter? Big enough to show to a
room of people, about a foot long pointer.
Use a small one, camera and monitor? Or just draw it digitally on a
monitor?
Could do, but I remember a long long time ago when I was at school,
the teacher had a voltmeter with a foot long needle. They must exist
somewhere.
They may well have existed then, but given the modern alternatives
suggested by Jan that exist, I doubt there\'s a market for large meters
now.
It just isn\'t the same. Would you buy a 6.2 litre electric car?
On Thu, 14 Apr 2022 12:59:48 +0100, Martin Brown
\'\'\'newspam\'\'\'@nonad.co.uk> wrote:
On 14/04/2022 12:27, Commander Kinsey wrote:
On Thu, 14 Apr 2022 12:01:48 +0100, Martin Brown
\'\'\'newspam\'\'\'@nonad.co.uk> wrote:
On 14/04/2022 11:45, Commander Kinsey wrote:
Where can I buy a large analogue meter? Big enough to show to a
room of
people, about a foot long pointer.
A small one and a smartphone/tablet video fed to a decent sized screen.
Doesn\'t look so good.
You wouldn\'t be able to afford an analogue meter that large.
Though you could build one from scratch in the true DIY fashion.
Model 8 Avo is about as big as they ever realistically get now.
ISTR Gallencamp (sp?) did larger ones for school labs back in the 70\'s.
There is a Unilab 8\" one +/- 50 uA on eBay right now.
https://www.ebay.co.uk/itm/115332876615
I was in school in the 80s, and we had massive ones, looked like some
kind of old fashioned weighscale from a fair. Very useful for the whole
class to see the volts and amps in a circuit under demonstration.
Make one yourself then. This is uk.d-i-y the clue is in the name!
Easier to press a button on Ebay, I can\'t believe nobody makes them.
On Thu, 14 Apr 2022 12:16:28 +0100, Clive Arthur
clive@nowaytoday.co.uk> wrote:
On 14/04/2022 11:45, Commander Kinsey wrote:
Where can I buy a large analogue meter? Big enough to show to a room of
people, about a foot long pointer.
R/C servo with pointer, PIC with ADC, code.
This shouldn\'t be necessary, in the 80s in school we had enormous
voltmeters and ammeters for demonstrations. Just a simple coil meter
with a long lightweight pointer.