This 1947 voltmeter uses three tubes and is powered by the mains. The range goes from 4 to 500 V. The circuit uses a power supply with a transformer for greater safety.
VTVM (T1153E)
- Details
- Written by: Newton C. Braga
This 1947 voltmeter uses three tubes and is powered by the mains. The range goes from 4 to 500 V. The circuit uses a power supply with a transformer for greater safety.
