Model M8903 ECG, a ECG of 3-channels, standard 12 leads, with build in printer & rechargeable battery, could be connected with computer and transfer the data for store &diagnose, especially used in Clinics, it is portable, and convenient to carry for long distance.
Standard: 3.5" Screen; Or 5.1" Screen
Lead system: 12 leads, 3 channels sampling synchronized
Input mode: Floating and Eliminates trembling protects
Input impedance: >50M Ω
Output impedance: < 100Ω
Patient leak current: < 10? A

Input loop current: 0.1 A
Calibration voltage: 1mV± 1%
Output voltage: 0.5mm/mV± 3%
A/D conversion: 14 bit
Frequency response: 0.05Hz-150Hz
Time constant: >3.2s
Common-mode restrain ratio:
>80dB
>100dB(with AC filter)
EMG filter: 25Hz(-3dB)/35Hz(-3dB)/35Hz(-3dB)
Standard sensitivity: 10mm/mV± 0.2mm/mv

Sensitivity selection:
2.5)5)10)20mm/mV, Transformation error± 3%
Polarization-endured voltage: ± 400mV
Noise level: 15 Vp-p
Baseline control: Auto-adjusting
ECG output: 0.5V/mV± 5%, single port= 100 Ω
Power supply:
AC: Accordingly
DC: 12V rechargeable battery
Safety standard;
IEC I category, CF style

Operation method:
Auto or Manual
Analysis function:
ECG parameters auto-measure, auto-analysis
Printing speed:
12.5)25)50mm/s± 1%

Recording system:
Thermal-array printing system
Recording paper standard:
High-speed rool 50mmX30m
3 Channel ECG, with standard 12 leads, we could provide products with 3.5" Screen & With 5.1" Screen.
We could provide OEM products

Dimensions:
(L x W x H)310X230X70mm
Package: (L x W x H)400X360X130mm
Net weight: 2.7kg
Gross weight: 4.5kg