ml13825 (12-11 Home), ML: -138. Kodai Senga Away: Kodai Senga 4-2, 1.22. Hunter Dobbins Home: Hunter Dobbins 2To record a 12-lead ECG with an FE238 Octal Bio amp or ML138 Octal Bio amp the following items are required in addition to the LabChart software, PowerLab, and amplifier:. MLAC29