Detailed Product Description

• Product Name:	Digital 3-channel Electrocardiograph
  	Model:	EKG-903
  	Features :             12-lead simultaneous standard resting ECG One-touch operation Concept of floating input circuit meets IEC safety standard High-resolution thermal printing array system Frequency response is as high as 150Hz Capable of printing continuously on channel trace and annotations including lead mark and parameter such as sensitivity, paper speed and filter operation status High resolution digital filter inhibits baseline drift without affecting ECG waveform Rechargeable battery supporting more than 50 patient examinations Specification:    Safety standard IEC class I, type CF Input circuit Floating; Protection against Defibrillator effect Lead Standard 12 Leads, Lead change automatically Patient current leakage <10μA Input impedance ≥10Ω  Calibrating voltage 1mV±3%  A/D conversion   12 bit  Frequency response  0.05Hz~150Hz (IEC) Time constant  >3.2seconds  CMRR >80dB >100dB (with filter) EMG filter  35Hz (-3dB) / 25Hz (-3dB)  Sensitivity 1/2, 1, 2 (cm/mV), Conversion Deviation≤5% Recording system  Thermal-array 8 dots/mm ( vertical )  16 dots/mm ( horizontal, 25mm/sec ) Paper speed   25, 50mm/s±3% Recording paper  50mm,20m, high-speed roll Input circuit current ≤50nA    Power supply AC: 220V / 110V, 50/60Hz DC: 12V rechargeable battery  Skin voltage tolerance ±300mV Noise level <15uVp-p Dimensions  310×230×70mm  Dimension of packing 400×280×160mm Weight 2.75kg