User manual

User Manual for Multi-parameter Patient Monitor

Chapter 5 Technical Specifications

5.1 Cerebral State Monitoring

1. EEG sensitivity: ±400μV

2. Noise level: <2μVp-p, <0.4μV RMS, 1~250Hz

3. CMR: >140dB

4. Input impedance>50 Mohm

5. Sample rate: 2000 samples/sec. (14 bits equivalent)

6. CSI and update: 0-100. Filter 6-42 Hz, 1sec. update

7. EMG: 0-100 logarithmic. Filter 75-85 Hz, 1 sec. update

8. BS%: 0-100%. Filter 2-42 Hz, 1sec. update

9. Digital output: Wireless to R232 link (ISM 2.4 GHz)

10. Wireless range: Up to 10 meters

5.2 ECG Monitoring

1. Heart rate measurement: ±0.4mVp~±3mVp

2. Heart rate display range: 20bpm~250bpm

3. Heart rate display accuracy: ±1% or ±2bpm, whichever is greater

4. Heart rate alarm delay time: ≤12s

5. Sensitivity selection: Auto, ×1/2, ×1, ×2, ×4 tolerance: ≤5%

6. Sweeping speed: 12.5mm/s, 25mm/s, 50mm/s tolerance: ≤10%

7. ECG noise level: ≤30μ

P-P

8. ECG input loop current: ≤0.1μA

9. Input impedance: ≥5MΩ

10. Common-mode rejection ratio (CMRR): ≥80dB

11. Time constant:

Monitoring mode≥0.3s Diagnostic mode≥3.2s

12. Frequency response:

Monitoring mode: 0.5Hz ~ 25Hz Diagnostic modes: 0.05Hz~75Hz

5.3 RESP Monitoring

1. RESP monitoring range: 0rpm~120rpm

2. RESP monitoring accuracy: ±10%

3. RESP alarm range: 0bpm~100bpm. Alarm tolerance: ±10%