| Units | % | 
| Measure Rnage | 1%-99% | 
| Resolution | 1% | 
| Accuracy | 2% 70%-99% | 
| Undefined | 1%-69% | 
| Measure Range | 30-254 BPM | 
| Resolution | 1BPM | 
| Accuracy | +2BPM or +3BPM, which is greater | 
| Sample mode | sidestream | 
| Principles | Non-dispersive Infrared (NDIR) | 
| Sample Rate | 5omL/min | 
| Measure Range | 0-114mmHg,0-15% | 
| Resolution | 0.1mmHg 0-50mmHg | 
| 0.25mmHg 50-114 mmHg | |
| Accuracy | +2mmHg 0-40mmHg | 
| +5% of reading 40-114 mmHg | |
| Compensation  | 
			Barometric Pressure Automatic Measuring | 
| N2O compensation User Selectable | |
| O2 compensation Set by Host | 
| Respiration Rate | Measure Range 2-120 Breath per minute (BPM) | 
| Resolution 1 breath/ min | |
| Accuracy +1 BPM or +1%, Which is greater | |
| Alarms | Indication Audible; Visual | 
| silence Yes; one minute; two minutes or permanent  | 
		
| Memory | 96-hours historical data saving | 
| Display | Display on PC monitoring system | 
| Interface& Display | |
| Keys | Menu/ok Up down cancel start/ stop | 
| Screen | 2.8 inch color LCD | 
| Resolution | 320*240pixels | 
| Sweep speed | 6.25 mm/s 2.5 mm/s | 
| Language | English Chinese | 
| Weight | about 1 kg | 
| Size | 15.2cm(H)*9.2cm(W)*4.2cm(D) | 
| 5.98 inch(H)*3.61inch(W)*1.65cm(D) | 
| Voltage supply | 220AC; 50Hz | 
| Power consumption | About 2W typical | 
| Battery | A sealed lithium battery | 
| Battery life | At least 8 Hours | 
| Recharge time | 4 Hours | 
| Operating temperature | 5-35C | 
| Storage temperature | - 5-50C | 
| Operating humidity | 15%-90%,non-condensing |