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The Masimo 3737 is a handheld Masimo pulse oximeter measuring SpO2, PR, Pi, PVi, SpMet. Built on Masimo SET® Measure-through Motion and Low Perfusion™ technology — the same platform used in hospital bedside monitors.
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 parameters does this Rad-57 kit measure?
SpO2, PR, Pi, PVi, SpMet. Rad-57 kits can be field-upgraded to add Total Hemoglobin (SpHb), Oxygen Content (SpOC), and other rainbow parameters using the Masimo Field Upgrader.
Can this be used in flight EMS?
Yes. The Rad-57 holds Airworthiness Release Certification from the U.S. Army and is widely deployed in rotor-wing and fixed-wing transport.
How long is the battery life?
The Rad-57 delivers more than 10 hours of continuous runtime on standard batteries, with up to 72 hours of trending memory.
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 3737 Rad-57 Kit with SpMet, Adult & Pedi Probe
