Strong Helo PLUSB 2x USB Power Monitoring Plug (HELO-PLUSB-EU)
USB to Serial
For more accurate energy consumption measurements this device requires power monitoring calibration.
- requires triangular bit to unscrew case, Torx 7 works also
- be careful when unscrewing daughter-board, wires are short
- power monitoring chip is BL0937
- to get AC-PCB out of the housing L, N an PE have to be unsoldered