专为心电类产品一致性测试设计的性能测试仪，适用于研发、法规符合性及产线测试。高准确度和低噪声设计，使您的测试更加准确。
产品简介
专为心电类产品一致性测试设计的性能测试仪，适用于研发、法规符合性及产线测试。高准确度和低噪声设计，使您的测试更加准确。符合国际及国内新版标准: IEC 60601-2-25、IEC 60601-2-27、IEC 60601-2-47、ANSI/AAMI EC11、ANSI/AAMI EC13、YY1079、YY1139、YY0782、YY0885、JJG 760、JJG 1041、JJG 1042
产品特点
可供心电诊断、可携式心电设备及监护仪完成性能测试
内建标准要求之测试线路和自选开关
良好的屏蔽及接地设计可轻松完成严格的测试要求，如：输入阻抗
输出振幅及频率准确度<±1%
多参数可调的直流偏移及起搏讯号
可加载及播放临床试验所录的心电讯号
可由外部任意波形发生器输入讯号，且精确衰减1000 倍
提供软件开发工具包(Software Development Kit) 让用户自行开发全自动化测试软件。
规格参数：
| Parameter | Specification | System capability |
|---|---|---|
| Main output voltage accuracy | ±1% for amplitudes of 0.5mVpp or higher | ±0.3% |
|
Main output voltage resolution (DAC resolution) |
2.5μV | In version 4.0, a single output range is used |
| Frequency / pulse repetition rate accuracy | ±1% | ±0.1% |
| Pulse duration / timing accuracy | ±1ms | ±0.2ms |
| Pacing pulse width accuracy | ±5μs | ±1μs |
| Pacing pulse amplitude accuracy, range |
±2mV pulse: ±1% >2mV pulse: ±10% Range: ±2mV to ±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) |
±0.1% | ±0.05% |
| Sample rate | 5kHz ± 0.1% | 5kHz ± 0.05% (50ppm) |
| DC offset (fixed, noise free, sourced from internal super capacitor) | 300mV ± 1% | 300mV ±0.1% |
| DC offset (variable, may include up to 50μVpp noise) | Setting ±1% or ±3mV | Setting ±1% or ±3mV |
| Power supply |
USB +5Vdc supply (no separate power supply required) 0.5A (high power mode) |
Typical load<0.25A, up to 0.45A is possible if all relays are turned on |
| Environment |
15 ~ 30°C 30 ~ 80% RH |
|
