<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">I see. Problem is, as you know, Bob, the "original" type is, for whatever reason, NLA. </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">So, solid state is all that's available. Those who have rebuilt their own voltage stabilizers </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">likely know the necessary diode number to solder-in to the circuit. Until someone </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">develops a better idea/fix, we're forced to use whatever is available from the usual </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">sources, at about $20/a pop.</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">I was just looking for a reliable way, if possible, to test a solid state voltage stabilizer </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">that is not yet part of an instrument circuit....</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">Thanks!!</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000099">Davw</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 8, 2022 at 5:14 PM Robert M Lang <<a href="mailto:blang@mit.edu">blang@mit.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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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.</div>
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Regards,<br>
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Bob Lang <br>
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<div id="gmail-m_9036322677891832578divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> NET <<a href="mailto:net-bounces@newenglandtriumphs.org" target="_blank">net-bounces@newenglandtriumphs.org</a>> on behalf of David Friedlander via NET <<a href="mailto:net@newenglandtriumphs.org" target="_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="mailto:net@newenglandtriumphs.org" target="_blank">net@newenglandtriumphs.org</a>>; TR3 Triumphs <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>><br>
<b>Subject:</b> [NET] Voltage Stabilizers</font>
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Hey all ~<br>
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Is it possible to test a voltage stabilizer to see if it's in good working order</div>
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if it is not mounted in a car, just a "loose" stabilizer? This would be either </div>
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the TRF 1488796 or Moss 133-555 (negative earth).</div>
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Thanks!</div>
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Dave</div>
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