



Description:
This voltmeter has a fine-tuning button, you can adjust the resistance and voltage by yourself.
The voltmeter is small in size, with a range of DC 0-100V.
An auxiliary power supply is needed. The power supply voltage range is ultra-wide, up to 3.5-30V, and it can work at 5V, 9V, 12V, 24V, etc., without voltage regulation.
The power supply has reverse connection protection, and it will not burn if connected reversely.
The displays all use bright LED digital tubes, the display effect is super dazzling.
It is manufactured with fully automatic technology and exquisite workmanship.
Parameter:
Working current:Less than 20mA, generally 5-15mA
Measuring range: 0.00V-100.0V
Power supply range: 3.5-30V
Maximum input: DC100V
Allowable error: ±1%
Refresh speed: about 500mS/once
Display mode: three-digit 0.56″ LED digital tube
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