
Contents
Returning The NPB-290 ....................................... 51
Maintenance.................................................................... 51
Service .................................................................. 51
Periodic Safety Checks......................................... 52
Performance Verification ...................................... 52
Cleaning................................................................ 52
SPECIFICATIONS..................................................................... 53
Performance.................................................................... 53
Measurement Range ............................................ 53
Accuracy ............................................................... 53
Pulse Rate Display Update Frequency................. 54
Immunity................................................................ 54
Electrical .......................................................................... 54
Instrument ............................................................. 54
Battery................................................................... 54
Environmental Conditions ............................................... 55
Operating Temperature ........................................ 55
Transport/Storage Temperature ........................... 55
Humidity ................................................................ 55
Altitude .................................................................. 55
Environmental Protection ................................................ 56
Physical ........................................................................... 56
Weight................................................................... 56
Size ....................................................................... 56
Equipment Classification ...................................... 56
APPENDIX A: PRINCIPLES OF OPERATION ....................... 57
Oximetry Overview .......................................................... 57
Automatic Calibration............................................ 57
Functional versus Fractional Saturation ............... 58
Measured versus Calculated Saturation............... 58
APPENDIX B: DATA PORT PROTOCOL ............................... 61
Overview.......................................................................... 61
Trend Data....................................................................... 61
Connecting to the DATA Port.......................................... 62
Real-Time Display Format............................................... 64
Column Headings ................................................. 65
Patient Data and Operating Status ....................... 66
Trend Data Printout ......................................................... 68
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