ESR Meter for Capacitors

IN progress - not yet finished

ESR meters - to check capacitors.

Todo: make box for it; find place & document. Announce on list.

Typical use

To test electrolyte capacitors; especially older ones.

1. For large/high voltage capacitors - discharge with a 1k resistor without your hands touching the wires.
2. Power the unit on by pressing on/test
3. Attach the clips
4. Unit will generally auto detect the connection and start testing
5. After the beep - see the values and consult the below chart
6. power off the unit by pressing the off button (saves battery)

Set

1. Box (to be made)
2. Unit
3. 2 black crocodile test clips (2mm banna)
4. Manual
5. Laminated chart with the correct ESR values (todo)

Documentation

History

Bought by the space december 2024

This equipment is safety category 6: Other equipment with no limits.

This equipment is Noise Category 3: Can be used at all hours. No limits.

Handle with care.
This is a precision tool with exact dimensions and straightness.
That means: handle it gently, don't hammer on it or use it as a crowbar and so on.
(if you need a crowbar - these are wonderful for that!)

It is very important that if you accidentally drop it or think it may be out of line

• either mark the tool very clearly...
• or report this to the mailing list...

...so that your fellow makers do not ruin their work.