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I see. Problem is, as you know, Bob, the "original" type is, for
whatever reason, NLA.
So, solid state is all that's available. Those who have rebuilt their own
voltage stabilizers
likely know the necessary diode number to solder-in to the circuit. Until
someone
develops a better idea/fix, we're forced to use whatever is available from
the usual
sources, at about $20/a pop.
I was just looking for a reliable way, if possible, to test a solid state
voltage stabilizer
that is not yet part of an instrument circuit....
Thanks!!
Davw
On Fri, Jul 8, 2022 at 5:14 PM Robert M Lang <blang@mit.edu> wrote:
> You can't really check them with a digital multimeter because the voltage
> on the original VS goes up and down so that it averages the proper amount,
> which should be something like 10 vdc. The modern ones use a solid state
> circuit to provide the voltage, not sure how you might "read" one of them.
> That said, am old fashioned multi meter (with an indicator needle) would
> probably work with the original-style VS. A test light would also be okay
> for testing, the inlet should be "brighter" because it's a higher voltage
> than the output... but a test light would be a good way to test, if you
> have a test light.
>
> Regards,
>
> ---------------------------------------------------------------------------
> Bob Lang
> Cell: 339-927-4489
> ---------------------------------------------------------------------------
>
> ------------------------------
> *From:* NET <net-bounces@newenglandtriumphs.org> on behalf of David
> Friedlander via NET <net@newenglandtriumphs.org>
> *Sent:* Friday, July 8, 2022 1:03 PM
> *To:* New England Triumphs <net@newenglandtriumphs.org>; TR3 Triumphs <
> triumphs@autox.team.net>
> *Subject:* [NET] Voltage Stabilizers
>
> Hey all ~
>
> Is it possible to test a voltage stabilizer to see if it's in good working
> order
> if it is not mounted in a car, just a "loose" stabilizer? This would be
> either
> the TRF 1488796 or Moss 133-555 (negative earth).
>
> Thanks!
>
> Dave
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:comic sa=
ns ms,sans-serif;font-size:large;color:#000099">I see. Problem is, as you k=
now, Bob, the "original"=C2=A0type is, for whatever=C2=A0reason, =
NLA.=C2=A0</div><div class=3D"gmail_default" style=3D"font-family:comic san=
s ms,sans-serif;font-size:large;color:#000099">So, solid state is all that&=
#39;s available. Those who have rebuilt their own voltage stabilizers=C2=A0=
</div><div class=3D"gmail_default" style=3D"font-family:comic sans ms,sans-=
serif;font-size:large;color:#000099">likely know the=C2=A0necessary diode n=
umber to solder-in to the circuit.=C2=A0 Until someone=C2=A0</div><div clas=
s=3D"gmail_default" style=3D"font-family:comic sans ms,sans-serif;font-size=
:large;color:#000099">develops a better=C2=A0idea/fix, we're forced to =
use whatever is available from the usual=C2=A0</div><div class=3D"gmail_def=
ault" style=3D"font-family:comic sans ms,sans-serif;font-size:large;color:#=
000099">sources, at about $20/a pop.</div><div class=3D"gmail_default" styl=
e=3D"font-family:comic sans ms,sans-serif;font-size:large;color:#000099"><b=
r></div><div class=3D"gmail_default" style=3D"font-family:comic sans ms,san=
s-serif;font-size:large;color:#000099">I was just looking for a reliable wa=
y, if possible, to test a solid state voltage stabilizer=C2=A0</div><div cl=
ass=3D"gmail_default" style=3D"font-family:comic sans ms,sans-serif;font-si=
ze:large;color:#000099">that is not yet part=C2=A0of an instrument circuit.=
...</div><div class=3D"gmail_default" style=3D"font-family:comic sans ms,sa=
ns-serif;font-size:large;color:#000099"><br></div><div class=3D"gmail_defau=
lt" style=3D"font-family:comic sans ms,sans-serif;font-size:large;color:#00=
0099">Thanks!!</div><div class=3D"gmail_default" style=3D"font-family:comic=
sans ms,sans-serif;font-size:large;color:#000099"><br></div><div class=3D"=
gmail_default" style=3D"font-family:comic sans ms,sans-serif;font-size:larg=
e;color:#000099">Davw</div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Fri, Jul 8, 2022 at 5:14 PM Robert M Lang <=
;<a href=3D"mailto:blang@mit.edu";>blang@mit.edu</a>> wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-lef=
t:1px solid rgb(204,204,204);padding-left:1ex">
<div dir=3D"ltr">
<div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt=
;color:rgb(0,0,0)">
You can't really check them with a digital multimeter because the volta=
ge on the original VS goes up and down so that it averages the proper amoun=
t, which should be something like 10 vdc. The modern ones use a solid state=
circuit to provide the voltage, not
sure how you might "read" one of them. That said, am old fashion=
ed multi meter (with an indicator needle) would probably work with the orig=
inal-style VS. A test light would also be okay for testing, the inlet shoul=
d be "brighter" because it's a higher voltage
than the output... but a test light would be a good way to test, if you ha=
ve a test light.</div>
<div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt=
;color:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt=
;color:rgb(0,0,0)">
Regards,<br>
</div>
<div>
<div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt=
;color:rgb(0,0,0)">
<br>
</div>
<div id=3D"gmail-m_9036322677891832578Signature">
<div>
<div id=3D"gmail-m_9036322677891832578divtagdefaultwrapper" dir=3D"ltr" sty=
le=3D"font-size:12pt;color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-se=
rif">
<div style=3D"font-family:Tahoma;font-size:13px">
<div><font size=3D"2">
<div>----------------------------------------------------------------------=
-----<br>
Bob Lang=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 <br>
</div>
<div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 Cell: 339-927-4489<br>
---------------------------------------------------------------------------=
<br>
<br>
</div>
</font></div>
</div>
</div>
</div>
</div>
</div>
<div id=3D"gmail-m_9036322677891832578appendonsend"></div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"gmail-m_9036322677891832578divRplyFwdMsg" dir=3D"ltr"><font face=
=3D"Calibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>From=
:</b> NET <<a href=3D"mailto:net-bounces@newenglandtriumphs.org"; target=
=3D"_blank">net-bounces@newenglandtriumphs.org</a>> on behalf of David F=
riedlander via NET <<a href=3D"mailto:net@newenglandtriumphs.org"; target=
=3D"_blank">net@newenglandtriumphs.org</a>><br>
<b>Sent:</b> Friday, July 8, 2022 1:03 PM<br>
<b>To:</b> New England Triumphs <<a href=3D"mailto:net@newenglandtriumph=
s.org" target=3D"_blank">net@newenglandtriumphs.org</a>>; TR3 Triumphs &=
lt;<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumphs@au=
tox.team.net</a>><br>
<b>Subject:</b> [NET] Voltage Stabilizers</font>
<div>=C2=A0</div>
</div>
<div>
<div dir=3D"ltr">
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
Hey all ~<br>
</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
<br>
</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
Is it possible to test a voltage stabilizer to see if it's in good work=
ing order</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
if it is not mounted in a car, just a "loose" stabilizer?=C2=A0Th=
is would=C2=A0be either=C2=A0</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
the TRF 1488796 or Moss 133-555 (negative earth).</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
<br>
</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
Thanks!</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
<br>
</div>
<div style=3D"font-family:"comic sans ms",sans-serif;font-size:la=
rge;color:rgb(0,0,153)">
Dave</div>
</div>
</div>
</div>
</blockquote></div>
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