| 摘要 |
A measuring apparatus, a physiological sensor, and an interface unit for determining blood parameters of a subject are disclosed. The sensor comprises an emitter unit comprising a first plurality of emitter elements configured to emit radiation at a second plurality of wavelengths and a detector unit configured to receive radiation generated by the emitter elements and transmitted through the tissue of the subject, wherein the detector unit is further configured to produce electric measurement signals indicative of absorption caused by the blood of the subject. In order to make the sensor compatible with a variety of different monitoring units, the sensor or the interface unit is provided with a memory that stores emitter activation information for at least a third plurality of wavelengths, thereby to enable a monitoring unit operably connectable to the physiological sensor to employ a combination of wavelengths selected from the third plurality of wavelengths, wherein the third plurality is equal to or smaller than the second plurality.
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