920M Oxygen saturation meter-

920M Plus Handheld Oximeter

Oxygen saturation meter-


The 920M Plus and 2500A handheld pulse oximeters provide on-the-spot oximetry readings, and are designed to be easy to use for both healthcare professionals and patients. They feature a bigger display, better performance and a 72-hour memory.

Full line of sensors

Full line of sensors for wide variety of studies

A diverse line of finger and ear sensors are available for the 920M Plus. Choose the sensor most suited to the patient, whether adult, infant or neonatal.
New design

New design is smaller, lighter and easier to carry

New design is smaller, lighter and easier to carry
Profusion Light

Profusion Light indicates a good connection

The 920M's profusion light makes the device incredibly easy to use. If it lights up, you're recording!
Larger Display

Larger Display is easier to read

The improved display makes it harder to confuse oxygen saturation and pulse readings.
Optional Rechargeable Battery System

Optional Rechargeable Battery System for more flexibility

Optional Rechargeable Battery System for more flexibility
Two button operation

Two button operation puts you in control of all functions

Two button operation puts you in control of all functions
Expanded memory

Expanded memory enables longer studies

The 920M Plus Oximeter can record up to 72 hours of data, which allows for longer studies.
Reduced power use

Reduced power use for increased efficiency

The 920M runs on four AA batteries for 100 hours of use, instead of six. The battery light gives you a clear indication of battery condition.


Hyperbaric pressure
  • Up to 4 atm
Operating altitude
  • Up to 12,000 meters (40,000 feet)
Pulse Rate Range
  • 18 to 300 beats per minute
Oxygen Saturation Range
  • 0 to 100%
Storage/Transportation temperature
  • -30°C to 50°C (-22°F to 122°F)
Operating temperature
  • -20°C to 50°C (-4°F to 122°F)
Memory Capacity
  • 72 hour(s)
Numeric Displays
  • 3-digit, 7-segment LED, red
Low battery
  • LED, yellow
Pulse Quality
  • LED, tri-color
Power Options
Power Options
  • Four 1.5 V AA size alkaline batteries (100 hours typical operation)
Rechargeable battery pack
  • NIMH rechargeable battery pack (45 hours typical operation)
AC Power
  • Charging stand
General system
General system
  • 13.8 cm x 7.0 cm x 3.2 cm (5.4" x 2.8" x 1.3")
Weight (with NIMH rechargeable battery pack)
  • 230 g (8.1 oz)
Weight (with alkaline batteries)
  • 210 g (7.4 oz)
  • 3 years
Storage/Transportation humidity
  • 10 to 95% non-condensing %
Operation humidity
  • 10 to 90% non-condensing %
Pulse Rate
  • +/-3, +/-1 digit
Oxygen Saturation
  • 70-100% +/- 2 digits for adults using Finger Clip Sensors/70-100% +/- 3 digits for adults using Flex, Flexi-Form, or Reflectance Sensors/70-100% +/- 4 digits using Ear Clip Sensors/70-95% +/- 3 digits for neonates using Infant or Neonatal Sensors