Patient simulator

SECG 4.0

The ECG simulator designed for performance testing. Suitable for compliance and production line testing.

Compliant with IEC 60601-2-25, IEC 60601-2-27, IEC 60601-2-47, ANSI / AAMI EC11, ANSI / AAMI EC13, GB9706.225, GB9706.227, YY9706.247, YY1079, YY1139, YY0782, YY0885, JJG 760, JJG 1041, and JJG 1042.

OVERVIEW

Single channel performance tester for diagnostic ECG, monitoring ECG and ambulatory ECG

Built-in test circuits as defined in ECG standards

Excellent shielding and grounding design makes amplitude and frequency accuracy <± 1%

DC offset and pacemaker signal output can be adjustable

Load ECG file function enables to load and replay recorded or programmed waveforms

Offer alternative input of external generator for arbitrary waveforms

Software Development Kit (SDK) assists user to develop customized or automated test software with less efforts

Optional Standard Assistant software pack simplifies the medical standard with test sequences, options, parameters and pass criterions

SPECIFICATION

Parameters Specifications System capability

Main output voltage accuracy ±1% for amplitudes of 0.5mVpp or higher ±0.3%

Main output voltage resolution

(DAC resolution) N/A 2.5μV

Frequency / pulse repetition rate accuracy ±1% ±0.1%

Pulse duration / timing accuracy (excluding pacing) ±1ms ±0.2ms

Pacing pulse width accuracy ±5μs ±1μs

Pacing pulse amplitude accuracy, range ±2mV pulse: ±1%

>2mV pulse: ±10%

Range: ±2mV ~ ±700mV ±2mV pulse: ±0.3%

100mV pulse: ±1% or ±5mV

Pacing pulse characteristics Rise/fall time 5μs

Overshoot<1%

Settling time<1%  

Pacing pulse overshoot (intentional) Method A according to IEC 60601-2-27  

Resistor tolerance ±1% ±0.5%

Capacitor tolerance ±5% ±5%

Precision 1000:1 divider (100KΩ:100Ω) ±0.2% ±0.1%

Sample rate 5kHz ± 0.1% 5kHz ± 0.05% (50ppm)

DC offset 

(fixed, noise free, from internal supercapacitor) 300mV ± 1% 300mV ±0.1%

DC offset 

(variable, may include up to 50μVpp noise) Setting ±1% or ±3mV Setting ±1% or ±3mV