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The Masimo 2696 rainbow® is a reusable Pulse CO-Oximetry sensor that measures SpO2, SpCO, SpMet from one sensor for adult (>30 kg) patients. Designed for use with the Rad-57 and other rainbow SET devices.
Product Highlights
Multi-parameter measurement: SpO2, SpCO, SpMet via Masimo rainbow Pulse CO-Oximetry®
Ground & Flight EMSRuggedized for ambulance bags and rotor-wing transport. Standard on paramedic and critical-care transport rigs.
Fire-Based EMSFast setup for first-arriving engines and squad units. Works in strobe-light and sunlight conditions typical of scene work.
Hospital & EDSpot-check and continuous monitoring in emergency departments, ICUs, and procedural areas.
Dental, Clinic & Urgent CareConscious sedation monitoring, pre-op assessment, and general oxygenation checks for outpatient practices.
Frequently Asked Questions
What is the difference between SpO2, SpCO, and SpMet?
SpO2 is oxygen saturation — the classic pulse-ox reading. SpCO is noninvasive carboxyhemoglobin, used to screen for carbon-monoxide exposure. SpMet is noninvasive methemoglobin, relevant to drug exposures like benzocaine, dapsone, and nitrites. The rainbow sensor measures all three from one sensor.
Why does this need a rainbow RC cable and not an M-LNC?
Rainbow sensors carry extra wavelengths for SpCO and SpMet measurement and use the 20-pin rainbow connector. Standard 14-pin M-LNC cables are SpO2-only and cannot transmit the rainbow data channels.
Can I use this on a standard pulse oximeter?
The rainbow sensor requires a rainbow-enabled device (Rad-57, Radical-7, or a monitor with rainbow SET). On a standard SpO2-only device it will only transmit oxygen saturation — you lose SpCO and SpMet capability.
Are these genuine Masimo products?
Yes. Pacific Biomedical stocks authentic Masimo OEM product. All items ship new in original Masimo packaging with full manufacturer warranty.
How quickly does this ship?
Most in-stock items ship within 1–2 business days from our warehouse. Expedited and overnight options are available at checkout.
How do I place an order or request a quote?
Email CustomerService@pacificbiomedical.com or call us at (844) 436-3526. We support net terms for agencies and hospitals, and we ship to all 50 states.
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Masimo 2696 Rainbow DCI-dc-3, 3 ft Adult SpO2 Sensor