... System/ ecg holter/ holter ecgBrief introductionECG, VCG. TVCG,FCG,HFECG SAECGOTF, HRVDigital filter systemanti-baseline-drift technologyECG database management ... : 12 bit sampling Frequency response: 0.05-60Hz Recording time: 24 hours, full disclosure, no data compression, 12- ... : 12 bit sampling Frequency response: 0.05-60Hz Recording time: 24 hours, full disclosure, no data compression, 12- ...