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Clinical Guard

Clinical Guard CMS-500S Deluxe Finger Pulse Oximeter

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Clinical Guard CMS-500S Deluxe Finger Pulse Oximeter

Regular price $39.95 USD
Regular price $49.99 USD Sale price $39.95 USD
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The CMS 500S Deluxe Fingertip Pulse Oximeter from Clinical Guard is a premium pulse oximeter designed for sporting and aviation enthusiasts who require accurate and durable performance - fast. The 500S Pulse Oximeter is the perfect choice for on-the-go readings that fit with your lifestyle, with a simple no-button operation that allows it to intelligently sense when a finger is inserted.

The crystal clear OLED screen can rotate and display at 6 angles, and its small form factor coupled with both a silicon and soft carrying case in addition to a lanyard makes it a great travel companion that can be taken anywhere. A quick snap-off cover allows for quick battery removal and takes any pesky screws out of the equation. A low battery indicator alerts the user when it is time to replace the batteries (2 x AAA alkaline batteries). An adjustable spring hinge allows the pulse oximeter to adjust to any adult sized finger. This hinge also helps prevent interference from ambient light.


  • RELIABLY PRECISE - Accurately determine heart rate, blood oxygen saturation (SPO2) and pulse strength in seconds with the 500S Fingertip Pulse Oximeter
  • DELUXE FEATURES - Crystal clear OLED screen with 6 way viewing angles, button free design, low level alarms & auto shut off.
  • INTELLIGENTLY DESIGNED sensors allow for a button free experience - the 500S automatically detects when a finger is inserted into the device, and quickly turns off when disengaged to save power.
  • ACCESSORY PACKED AND GUARANTEED - Includes a lanyard/Carrying Cable, Silicon Cover, Fabric Case, Batteries and is backed by a 1 year warranty.
  • 20+ hours of continuous monitoring on one set of batteries
  • SpO2 and Pulse Rate bar graph
  • Low battery level indication
  • Auto power off feature for energy conservation
  • Low power consumption on 2 AAA batteries
  • Interference resistance capacity against ambient light and measurement performance at low perfusion
  • Intended use for spot check of blood oxygen saturation level at home, in sport and recreational use, such as mountain climbing, high-altitude activities and running.

Package Contents

  • 1x Clinical Guard CMS-500S Deluxe Finger Pulse Oximeter-Black 
  • 1x Neck/wrist Cord
  • 1x Silicon Cover
  • 1x FREE Soft Carrying Case
  • 2x AAA batteries
  • 1x Instruction Manual


  • SpO2 - Digital
    • Range: 0%-99%
    • Resolution: ±1%
    • Accuracy: ±2% (70-99%)
  • Pulse Rate - Digital
    • Range: 30-250 BPM
    • Resolution: ±1bpm
    • Accuracy: ±2bpm
  • Battery:
    • Type: 2 AAA Alkaline batteries
    • Operation time: 20 hours for normal operation
  • Dimensions:
    • Size: 56*31*32mm
    • Weight: 1.8oz(50g)
  • Measurement Performance in Low Perfusion: Oxyhemoglobin and Pulse value can be shown accurately when pulse-filling rate is 0.5%
  • Alarm: Low battery indicator
  • Interference Resistance Capacity Against Ambient Light: Deviation is smaller than ±1% between value of Oxyhemoglobin measured in natural lighting indoor condition and present lighting sources and of that measured in dark room.
  • Environmental Operating Temperature: 5°C-40°C
  • Storage Temperature: -40°C – 60°C
  • Operating humidity: 15%RH-80%RH
  • Storage Humidity: 10%RH-95%RH
  • Display Type: Color OLED
  • Parameters: SpO2, PR, 6-step bargraph
  • Warranty: 1 Year

Please note that your doctor or healthcare provider is the best source for your treatment plan. This unit is not intended to replace a doctor's visit and self diagnostics.

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