ʻO SM-1201 he hanauna hou o 12 alakaʻi i ka mīkini 12 channel ECG/EKG, me 7 iniha paʻi paʻi, hiki iā ia ke hōʻiliʻili i ka 12 alakaʻi i ka hōʻailona ECG i ka manawa like a paʻi i ka nalu ECG me ka ʻōnaehana paʻi wela.Kākoʻo i nā ʻano ʻōlelo he nui, i kūkulu ʻia i loko o ka pā lithium, hoʻokele waihona waihona.