... central monitoring system96 hours data storagetechnical specifications :ECG number of leads : 3 to 5 leadlead view: user- ... V(5-lead); I, II, III(3-lead) Gain Selection: x1/4, x1/2.x1 and x2 frequency ... mv or 5% of reading, whichever is greater, over heart range of 30 to 120 bpmST Range: -2.0 to ... 2.0mv temperature channels: 2 range,accuracy: 68 ...