Difference between revisions of "Analog Voltmeters or Ammeters"
From TheAnalogThing
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== Products == | == Products == | ||
* You can basically use any ''Multimeter'', see for instance https://www.reichelt.de/multimeter-c541.html?CCOUNTRY=445&LANGUAGE=de. Cheap but suitable ones begin at around 20EUR. | * You can basically use any ''Multimeter'', see for instance https://www.reichelt.de/multimeter-c541.html?CCOUNTRY=445&LANGUAGE=de. Cheap but suitable ones begin at around 20EUR. | ||
| − | * Here is an analog device for tinkering purposes: Aliexpress item 4000377192769 | + | * Here is an analog device for tinkering purposes. The +-1mA instrument has 148 Ohms, so that a 9852 Ohms resistor is required in series (which can be realized by 10 kOhm parallel with 680 kOhm): Aliexpress item 4000377192769 |
Latest revision as of 14:35, 9 December 2021
Static or slow changing signals can be displayed with analog voltmeters or ammeters (with a suitable resistor in series). A +-1mA meter has the advantage that the output can directly be interpreted as machine units.
Note that The Analog Thing ships with a digital Voltmeter.
Products
- You can basically use any Multimeter, see for instance https://www.reichelt.de/multimeter-c541.html?CCOUNTRY=445&LANGUAGE=de. Cheap but suitable ones begin at around 20EUR.
- Here is an analog device for tinkering purposes. The +-1mA instrument has 148 Ohms, so that a 9852 Ohms resistor is required in series (which can be realized by 10 kOhm parallel with 680 kOhm): Aliexpress item 4000377192769
