Masimo Rad-57

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Pricing up to 50% below the cost of new,
with service and warranty included.
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Masimo Rad-57 Pulse Oximeter Features

The Masimo Rad-57 handheld pulse co-oximeter is a noninvasive device used to monitor arterial oxygen saturation and pulse rate. It is equipped with a multicolored LED display that shows continuous numeric values for SpO2, perfusion index (PI), and pulse rate (PR). Additionally, the Rad-57 includes features such as a Low Signal IQ Indicator (Low SIQ), alarm status, alarm silence option, and battery life indicator.

  • Stay connected with continuous monitoring in sleek handheld device
  • Easy, quick, and user-friendly
  • Designed to be durable yet lightweight, perfect for fieldwork and hospital environments
  • Keep track effortlessly with the Low Signal I.Q. (SIQ) indicator for confident measurements
  • Trend your data with up to 72 hours of memory storage for comprehensive analysis and insights
  • 10 hours of continuous use with 4 AA alkaline batteries.
  • Individual Alarms for SpO2, PR, SpCO and SpMet PVI

Masimo Rad 57 Specifications


  • Height: 6.2 in (15.75 cm)
  • Width: 3 in (7.62 cm)
  • Depth: 1.4 in (3.55 cm)
  • Weight: 13 oz (0.37 kg)

Measurement Range

  • SpO2: 0 -100%
  • SpMet: 0 – 99.9%
  • SpCO: 0 – 99%
  • Pulse Rate: 25 – 240(bpm)
  • Perfusion Index: 0.02% – 20%
  • Pleth Variability Index (PVI*): 0 – 100%


  • Spo2: 1%
  • SpCo: 1%
  • SpMet: 0.1%
  • SpHb: 0.1 g/dL
  • SpOC: 1.0 ml/dL
  • Pulse Rate: 1 beat per minute
  • Respiration Rate: 1 beat per minute


  • EMC Compliance: EN60601-1-2, Class B
  • Equipment Classification: IEC 60601-1
  • Type of Protection: Internally powered (on battery power)
  • Degree of Protection-Patient Cable: Type BF-Applied Part
  • Mode of Operation: Continuous


  • Power requirements: Battery-operated
  • Type: 4 AA Alkaline
  • Capacity: up to 10 hours


  • Operating Temperature: 0°F to 129°F (-18°C to 54°C)
  • Transportation/Storage Temperature:-40°F to 158°F (-40°C to +70°C)
  • Operating Humidity: 5% to 95%, non-condensing
  • Operating Altitude: 500 mbar to 1060 mbar pressure,-1000 ft to 18,000 ft (-304 m to 5,486 m)
  • Operating Temperature: 0°F to 129°F (-18°C to 54°C)

Refurbished Masimo Rad 57 Pulse Oximeter

Soma Tech Intl offers Refurbished Rad 57’s up to 50% below OEM prices with the same service and warranty as new. The Masimo Rad 57 pulse oximeter is not only technically refurbished but also cosmetically refurbished to make it work and look like new. When the refurbishing process starts the Masimo pulse oximeter, it’s carefully inspected and tested by our own in-house biomedical engineers who are highly skilled and certified to work on the Rad 57. If necessary, parts are replaced to make sure that all aspects of the pulse oximeter are functioning properly. Once everything is in working order, the unit is calibrated back to the original engineering manufacturer’s specifications. This ensures that the unit is working the same way that it originally left the manufacturer. After the Masimo Rad pulse oximeter is working like new it undergoes a special cosmetic restoration process. The Masimo pulse oximeter is cleaned, minor scratches and dents are repaired, it’s painted, and new decals are replaced if necessary. After this strenuous refurbishing process, the pulse oximeter functions and looks like new. Soma Tech is ISO 13485 certified and ensures that the best quality is given to all capital medical equipment that they sell. Before the pulse oximeter is labeled patient-ready and packed up for shipment, it goes through one last quality control test that makes sure all aspects are again working as they should. If you are looking to buy a refurbished Masimo Rad-57 pulse oximeter contact soma at [email protected] or call us at 1-800-438-7662.

Soma Tech Intl is also actively looking to purchase a Masimo Rad-57 pulse oxiemter’s. If you or your facility is looking to sell your Masimo pulse oximeter, be sure to contact Soma Tech Intl. Soma has a dedicated and experienced purchasing department that helps you through the entire process. Selling your used or pre-owned Masimo Pulse Oximeter to Soma Tech takes out the middle man in the equation. This also ensures that your medical facility gets top dollar for your equipment. Soma Tech is 100% HIPPA compliant and makes sure that your equipment gets to our facility in the same condition that it left yours. Soma also gives the option for trade-in credit on your medical equipment. If you have medical equipment you would like to sell to Soma, send us a message here!


Questions about our Pulse Oximeters?

Soma Tech Intl offers a wide range of pulse oximeters. If you have any questions about any of our pulse oximeters or need a quick quote, call us and one of our knowledgeable sales representatives will help you.

Looking to sell your pulse oximeters? Soma ensures your facility gets top dollar for your equipment and also gives the option for trade-in credit.

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