Masimo Radical

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Masimo Radical Features

Radical is the most advanced, yet flexible pulse oximeter in the world. In addition to being the most feature-packed, stand-alone pulse oximeter available, Radical can operate in two additional modes. The front module of Radical can be removed, creating a fully featured handheld pulse oximeter, ideal for transport. Radical can also be used to upgrade existing equipment through the sensor connector, thus not requiring additional hardware or software upgrades to improve the performance of your current multiparameter monitor to Masimo SET.

  • Masimo SET is the proven gold standard in reading through motion & low perfusion to reduce false alarms and detect true events Radical is a fully featured Standalone pulse oximeter
  • The Radical is a fully featured Handheld pulse oximeter
  • The Radical interfaces to the validated multiparameter patient monitor to replace the existing conventional pulse oximetry with Masimo SET pulse oximetry.
  • Unprecedented specificity and sensitivity. Essentially eliminates false alarms and detects virtually all true alarms.
  • Accurate during most patient movements, including shivering, combativeness, neonatal movement, and seizures.
  • Accurate during low perfusion.
  • Accurate during intense ambient light and resists electrocautery interference.

Masimo Radical Specifications


  • Handheld: 8.9” x 3.3” x 2.1” (22.6 cm x 8.4cm x 5.3 cm)
  • Standalone: 3.5” x 10.5” x 7.7” (8.9 cm x 26.7cm x 19.6cm)
  • Weight – handheld: 1.3 lbs (0.59 kg)
  • Weight Docking station: (models RDS-1, RDS-2, and RDS-3): 2.5 lbs (1.14 kg); (model RDS-1B): 3.1 lbs (1.41 kg)
  • Weight – Standalone: (models RDS-1, RDS-2, and RDS-3):3.8 lbs(1.73 kg); (model RDS-1B):4.4 lbs (2.00 kg)

Electrical Power

  • Standalone:
    • AC Power requirements: 100 – 240 VAC, 47 – 63 Hz
    • Power consumption: 55 VA
    • Fuses: 1 Amp, Fast Acting, Metric, (5 x 20mm), 250V
  • Batteries:
    • Handheld Type: NiMH
    • Capacity: hours 6
    • Charging time: hours 3
  • Standalone (Model RDS-1B only)
    • Type: NiMH
    • Capacity: 12 hours
    • Charging time: hours 6

Performance Measurement Range

  • SpO2: 1-100%
  • Pulse Rate: 5-240 (BPM)
  • Perfusion: 0.02% – 20%


  • Operating Temperature: 41°F to 104°F (5°C to 40°C)
  • Storage Temperature: -40°F to 158°F (-40°C to +70°C)
  • Operating Humidity: 5% to 95%, non-condensing
  • Operating Altitude: 1060 mbar to 500 mbar pressure, -1000 ft to 18,000 ft (-304 m to 5,486 m)

Display / Indicator

  • Data display: %SpO2, pulse rate, pleth waveform, perfusion index, alarm status, trends, sensitivity, FastSat, Signal IQ.
  • Display color: Blue
  • Type: Backlit LCD
  • Pixels: 480 x 160 dots
  • Dot pitch: 0.25 mm

Output Interface

  • Philips Vuelink, Spacelabs Universal Flexport, RadNet TM, (models RDS-


  • Average Mode: 2, 4, 8,10,12,14 or 16 seconds 7
  • Sensitivity: Normal, APOD, and Maximum 8


  • Saturation (%SpO2):1%
  • Pulse Rate (bpm): 1 bpm

Pulse Rate Accuracy

  • Pulse Rate: 25-40 bpm
    • No Motion: Adults, Pediatrics, Neonates: ±3 digits
    • Motion: Adults, Pediatrics, Neonates: ±5 digits
    • Low Perfusion: Adults, Pediatrics, Neonates: ±3 digits


  • Audible and visual alarms for high and low saturation (1% to 100%), pulse rate (25 – 240bpm), sensor condition, system failure and low battery

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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