Electromagnetic flowmeters usually have a different power supply.
The most common type has a battery power supply, 24V DC and 220V AC.
Other options such as 85-265V AC, 11-40V DC.
| Tipo de tensión | Rango de tensión (V) Valor absoluto |
Frecuencia (Hz) | VA |
| AC | 85 to 265 | 47 to 440 | <20 |
| DC | 11 to 40 | – | <20 |