If it’s like the rest of their (Peacefair) product line, there is no isolation.
I have one of their PZEM-004 units. It uses a capacitive dropper to connect to the mains.
Spec’d burden is 10 Ohms:
If it’s like the rest of their (Peacefair) product line, there is no isolation.
I have one of their PZEM-004 units. It uses a capacitive dropper to connect to the mains.
Spec’d burden is 10 Ohms:
