Microlife Oxy 300 Fingertip Pulse Oximeter | British Heart Foundation

image-of-micro-life-finger-tip-oximeter Microlife Oxy 300 Fingertip Pulse Oximeter

Microlife Oxy 300 Fingertip Pulse Oximeter

In stock

Determines oxygen saturation (SpO2) & heart rate (pulse)

Gentle usage, lightweight and portable

6 different display modes

Batteries included



  • FREE delivery on orders over £40
  • Free 30 day return (Exclusions apply)
  • All profits support the British Heart Foundation
More Information
Brand Microlife
Measurement & Detection Measures pulse rate
Warranty 1-year

Microlife Oxy 300 Fingertip Pulse Oximeter

The Microlife OXY 300 fingertip pulse oximeter is a portable non-invasive device intended for spot-checking of the oxygen saturation of arterial haemoglobin (SpO2) and pulse rate of adults and paediatric patients. It is suitable for private use (at home, or on the go) as well as for use in the medical sector (hospitals, hospital-type facilities).


  • Determining oxygen saturation (SpO2) and heart rate (pulse)
  • Lightweight and portable
  • 6 different display modes
  • Low battery indication
  • With carrying strap
  • Simple to operate, comfortable measurement
  • Dual colour OLED display
  • 10 adjustable brightness levels
  • Automatic switch-off

Pulse oximetry can be a useful aid in decision-making and monitoring, but is not a substitute for a clinical assessment, nor sufficient for diagnosis by itself.

Technical Specifications

  • Model no.: OXY 300
  • Size: 56 x 31 x 30.5 mm
  • Weight: 56g (with batteries)
  • Batteries: 2 pcs. 1.5V alkaline batteries, size AAA
  • Pulse rate measurement range: 30 ~ 250 bpm
  • SpO2 measurement range: 70 ~ 100 %
  • Accuracy: 30 ~ 99 bpm: ±2 bpm; 100 ~ 250 bpm: ±2 %

  • ISO: 80601-2-61:2011

Additional resources
Oxy 300 user manual

Delivery Information

Our standard delivery charge is £3.99, with orders over £40 (including donations) receiving FREE delivery.

We aim to dispatch your order within 48 hours of receipt, using either Evri, Parcelforce (for orders over £50) or Fedex (for Defibrillator items) for delivery within 3-5 working days. If after 10-working days your order has not been delivered please contact us.

Please note: We currently only deliver to UK address'. Channel island orders will be automatically refunded within 10-working days.

Returns Information

We hope you are completely happy with your purchase, but if not you may return some or all of the products in your order for replacement or refund within 30 days of receiving your order. You can find details our full returns policy here.

To return your item(s) please get in touch with our team on 01254 277856 (Monday-Friday, 9am-5pm) or online contact form.

Personalised items, travel and event tickets are non-refundable.

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