Home » PZEM-004T 3.0 Version AC Single Phase Multifunction Ampere Meter Watt Power Volt Amp Kwh TTL Modbus With Split CT For Arduino PZEM-004T 3.0 Version AC Single Phase Multifunction Ampere Meter Watt Power Volt Amp Kwh TTL Modbus With Split CT For Arduino PZEM-004T 3.0 Version AC Single Phase Multifunction Ampere Meter Watt Power Volt Amp Kwh TTL Modbus With Split CT For Arduino. Sale price : $11.69 Category : Tools