Instructions for Use. Onyx. ®. 9500 Finger Pulse Oximeter. Indications for Use. The Nonin® Onyx Model 9500 Finger Pulse Oximeter is a small, lightweight, .... Nonin Onyx II 9560 manual · Onyx II · Model 9560 Bluetooth · Fingertip Oximeter · OEM Specification and Technical Informatio