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Ratio iX3M Dive Computer Comparison

The Ratio iX3M dive computer is a hugely impressive platform that offers so much for technical divers. In fact the iX3M is available in three different models that add more technical features as you progress up through the models.

The iX3M Easy Pro is the recreational diver model that offers two air / nitrox gas mixes and isn't fitted with the GPS and Bluetooth hardware to keep the cost down. The iX3M Deep is their entry tech model which gives support for three Trimix gas mixes. The iX3M Tech+ allows up to ten Trimix gases, adds user settable Gradiant Factor and Critical Bubble Radius, increases support gas percentages and widens the PO2 range. The iX3M Reb adds rebreather support with up to three Diluents and a connector for the sensor board.

Comparative technical specification and features for each model are shown below:

iX3M Reb iX3M Tech+ iX3M Deep iX3M Easy Pro
Dive Modes Air, Nitrox, Trimix, CCR Freedive, gauge Air, Nitrox, Trimix, CCR Freedive, gauge Air, Nitrox, Timix (normoxic) Freedive, gauge Air, Nitrox, Gauge, Freedive
User definable Mix 10 Mix + 3 Diluent 10 Mix 3 Mix 2 Mix
Algorithm Buhlmann ZHL-16 B + VPM-B algorithm. Buhlmann ZHL-16 B + VPM-B algorithm. Buhlmann ZHL-16 B + VPM-B algorithm. Buhlmann ZHL-16 B algorithm
Personal adjustment User settable Gradient Factor
User settable Critical Bubble Radius (R0).
User settable Gradient Factor
User settable Critical Bubble Radius (R0).
User Settable protection Levels . User Settable protection Levels .
Real Time algorithm Yes Yes Yes Yes
Gas switch and Gas break Yes Yes Yes Yes
%O2 and %He O2: 05-99% He: 00-95% O2: 05-99% He: 00-95% O2: 18-99% He: 0-50% O2: 21-99%
Max PO2 0.4  -  1.6 0.4  -  1.6 0.7  -  1.6 1.2  -  1.6
Connector for sensor board Yes No No No
CNS and OTU calculation Yes Yes Yes Yes
Altitude adjustment Automatic Automatic Automatic Automatic
Selectable water type Yes (Salt or fresh ) Yes (Salt or fresh ) Yes (Salt or fresh ) Yes (Salt or fresh )
Deep Stop Yes (Multi Algorithm) Yes (Multi Algorithm) Yes (Multi Algorithm) Yes
Safety Stop Yes Yes Yes Yes
Alarms Visual, Acoustic and Vibration Visual, Acoustic and Vibration Visual, Acoustic and Vibration Visual, Acoustic and Vibration
Dive Planner complete complete complete complete
Wireless Air Integration Yes, supports up to 10 transmitters Yes, supports up to 10 transmitters Yes, supports up to 3 transmitters Yes, supports up to 2 transmitters
Outdoor functions
(3D Compass, Altimeter, Barometer, Stopwatch, Temperature, weather forecast, and more)
All All All All
Integrated GNSS
(The Satellite signal does not pass through water)
Yes
(GPS; GLONASS; QZSS; SBAS; BEIDOU)
Yes
(GPS; GLONASS; QZSS; SBAS; BEIDOU)
Yes
(GPS; GLONASS; QZSS; SBAS; BEIDOU)
No
Installable Apps
(Luximeter, Magnetometer, Pitch&Roll, Moon calendar, and more)
Yes Yes Yes Yes
Wireless Connectivity Bluetooth Bluetooth Bluetooth No
Ratio Usb Accessories compatibilities All All All All
Top Glass Mackrolon Mackrolon Mackrolon Mackrolon
Battery USB Rechargeable USB Rechargeable USB Rechargeable USB Rechargeable
Display 2.8 inches (320x240 pixel - 100% matrix) 2.8 inches (320x240 pixel - 100% matrix) 2.8 inches (320x240 pixel - 100% matrix) 2.8 inches (320x240 pixel - 100% matrix)
View Angle >150° >150° >150° >150°
Backlight Automatic and manual Automatic and manual Automatic and manual Automatic and manual
Weight 290gr 290gr 290gr 290gr
Max Depth 300 mt / 984 ft 300 mt / 984 ft 300 mt / 984 ft 300 mt / 984 ft
PC Interface Included Included Included Included
Updatable OS Yes Yes Yes Yes
DAN DL7 protocol 100% compatible 100% compatible 100% compatible