Specifications

1.3 Channel Digital Electrocardiograph
2.Standard 12 leads
3.3 channels sampling synchronized

1 Channel Digital Electrocardiograph ECG-8903A

 

Specification

Lead system: Standard 12 leads, 3 channels sampling synchronized

Input mode: Floating and Eliminates trembling protects

Input impedance: >50M Ω  Output impedance: < 100 Ω

Patient leak current: < 10 µA

Input loop current: < 0.1 µA

Calibration voltage: 1mV±1%

Output voltage: 0.5mm/mV±3%

A/D conversion: 14bit

Frequency response: 0.05Hz-150Hz

Time constant: >3.2s

Common-mode restrain ratio: >80dB   >100dB(with AC filter)

EMG filter: 25Hz(-3dB)/35Hz(-3dB)/45Hz(-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 µVp-p

Baseline control: Auto-adjusting

ECG output: 0.5V/mV±5%, single port= 100 Ω

Power supply: Ac: 200V, 50Hz, 15VA     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 roll 50mmX30m

Dimensions: (L x W x H) 310X230X70mm

Packing size: (L x W x H) 400X360X130mm

Net weight: 2.7kg Gross weight: 4.5kg

 

ECG-8903A is the same specification with AJ-7303.It’s with 5.1’’ LCD Display.

ECG-8903 is with 3.5’’ LCD Display.