The lowest voltage it can measure is what powers the LED display so something must be acting like a DC to DC converter set at the display voltage. Additional resistance in series lowers the current too much to power the display. It only works on an ideal voltage source.
Why the $3 Voltmeter Cannot Work With Inline Resistance
Started by ●April 17, 2022
Reply by ●April 23, 20222022-04-23
On 4/17/2022 8:10 AM, Bret Cahill wrote:> The lowest voltage it can measure is what powers the LED display so something must be acting like a DC to DC converter set at the display voltage. > > Additional resistance in series lowers the current too much to power the display. > > It only works on an ideal voltage source.What Brand and model is this meter? Mikek -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus