Making a milliAmp meter, become a Volt meter - Page 2 - diyAudio
Go Back   Home > Forums > Amplifiers > Power Supplies

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 26th May 2006, 01:43 AM   #11
diyAudio Member
 
redrabbit's Avatar
 
Join Date: Oct 2004
WoW...thanks for the great suggestions. I have yet to research all of them.

It is a vintage Simpson, 0-100mA, no other writing on the face. It's has a bit of weight to it, if that adds to any speculation about it.
Yes, I will save this meter for a more elegant situation ; my need for a meter is to quickly measure volts and load for:

*4 variable PSUs (in a single box),
*up to 12v / 200mA.......to power guitar fx,
*using a three-position momentary switch on/off/on... (volts/off/milliamps)
*another rotary switch points to which supply output I want to adjust/check.

...the reason for the momentary switch is to keep the meter out of the circuit, except when needed.

=RR=

BTW: Lackinnj....funny, I was just searching for Jfets today, at my local surplus store....2n5457......they didn't have any.
  Reply With Quote
Old 26th May 2006, 07:51 PM   #12
Stocker is offline Stocker  United States
diyAudio Member
 
Join Date: Dec 2003
Location: Austin
World politics left aside for the moment, there are several companies producing low-cost panel meters that are getting down into the $20-$30 range IIRC. And for cheaper than that you can get a DMM from an auto parts store to mount and leave, dedicated, in-circuit.
__________________
Jesus loves you.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Help! How to measure 2450 volts with 1000 volt max meter. ichiban Parts 8 6th June 2009 03:10 AM
Kenwood VT176 / 175 milli volt meter ashok Everything Else 3 25th April 2008 03:39 AM
Wiring Digital Volt Meter Dominick22 Chip Amps 19 24th April 2006 05:58 PM
t-amp vu meter and volt meter question.... rectaacies Class D 7 3rd February 2006 11:22 AM
I need a portable diy electronic AC volt meter, to avoid transportation of Scopes. destroyer X Solid State 10 21st August 2005 05:38 PM


New To Site? Need Help?

All times are GMT. The time now is 11:00 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2