Technical sheet

Ratio Ix3M2 Pro dive computer

Name: Ratio Ix3M2 Pro dive computer
Brand: Ratio
SKU: 139116006
Price: 540.49 EUR
Availability: InStock
Rating: 5 (2 reviews)

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2 Reviews

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Features of Ratio Ix3M2 Pro

Product description of Ratio Ix3M2 Pro dive computer

Description summary

The RATIO Ix3M2 Pro dive computer boasts a huge color display and intuitive LSK interface for effortless navigation. Dive up to 220m with Air, Nitrox, or Gauge modes, and enjoy multi-gas integration for up to 3 transmitters. Featuring a Buhlmann ZHL-16C algorithm with adjustable conservatism, a 3D compass, vibration alerts, and extensive dive planning capabilities, this rugged, USB-rechargeable computer is your ultimate underwater companion

Ix3M2 Pro Computer.

Air, Nitrox, Gauge. 3 mix, Multi Air Integrated, Huge color display, Vibration Alarm.

All new User Interface with LSK, Deco Table during the dive, Compass and more.

Specifications:

- Dive Modes:Air - Nitrox - Gauge - Freediving.
- Wireless Air Integration (Transmitter, Sender):Compatible with Ratio Color Coded Wireless Transmitter.
- Multi Transmitter:Yes, up to 3 wireless transmitters.
- Side Mount Multi Transmitter mode:Yes.
- Mix:3 mix (O2: 21% - 99%).
- Deco model (Algorithm):Buhlmann ZHL-16 C.
- Algorithm adjustment:6 User Settable protection Levels.
- Repetitive Dives management:Yes.
- 4 mechanical buttons:Yes.
- Intuitive interface:Yes + with new LSK User Interface.
- Gas switch and Gas break during the dive:Yes.
- PO2:1.2 - 1.6.
- CNS Calculation:Yes.
- Altitude adjustment:Automatic.
- Water type:Salt / Fresh / EN13319.
- Deep Stop:Yes.
- Safety Stop Adjustment:Yes, Time and depth.
- Last deco stop depth manual adjustment:Yes.
- Manual adjustment of all Deco Stops:No.
- Alerts:Vibration + acoustic + visual.
- Dive Planner:No Deco Limit + Full Deco Planner.
- Compass:Yes, 3D Compass, 1° resolution, +/- 1° accuracy.
- Oxygen Analyser:Yes (Oxygen Analyser sold separately).
- Other Functions (Apps):Gas Blender, Mix Analyser.
- Display:Color, IPS, 2.8-Inch, 320x240 pixel, 144 dpi, 100% matrix.
- Display view angle:over 150° (IPS Technology).
- Backlight:From level 1 to 15.
- Top Glass:Mackrolon.
- Case:Heavy Duty Composite Polymer.
- Straps:Redundant Stretch-Belts with fas release or Bungees (included).
- Battery:USB Rechargeable Li-ion (~20 hr of diving).
- Weight:220 gr / 7,7 oz.
- Logbook:~160 hr scuba (sampling 10 sec).
- Max Depth:220 mt / 721 ft.
- PC/Mac interface:Yes, USB cable included.
- Updates:Yes, user updateble for free.

Specifications

Manual

Technical specifications of Ratio Ix3M2 Pro

Screen Size

2.8-Inch
Resolution

320x240 pixel
Bezel Material

Mackrolon
Case Material

Heavy Duty Composite Polymer
Battery Life

~20 hr of diving
Battery Type

USB Rechargeable Li-ion
Compass

Yes
Water Resistance Rating

EN13319
Color

Black
Recommended Use

Diving
Features

Nitrox compatible
Features

Rechargeable batterie
Features

Includes compass

Features of Ratio Ix3M2 Pro

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

Features Nitrox compatible

Features

Nitrox compatible

Rechargeable batterie

Includes compass

Key differentiators

Equipped with a Buhlmann ZHL-16 C algorithm with 6 user-adjustable conservatism levels.

Features four dive modes: Air, Nitrox, Gauge, and Freediving.

Includes a 3D compass, vibration alerts, and a rechargeable battery with ~20 hours of dive time.

Large 2.8-inch color IPS display with a 150°+ viewing angle for superior clarity.

Multi-gas support for up to 3 mixes and wireless integration with up to 3 transmitters.

Technology in Ratio Ix3M2 Pro dive computer

Energy rating

Warnings

5 / 5

2 Reviews

What our customers are saying about Ratio Ix3M2 Pro dive computer

Bester tc

2025/12/04

Ben

Top product, long battery life, display is easy to read anywhere.

Nice computer

2024/01/29

Otto

Nice computer, easy to read and to operate. USB adapter seems a bit fragile, but works fine. Hoping for Bluetooth connectivity in the future. Has tested the computer for 45 min in 1.3 °C. No problem and nice logging.

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Include AI Generated questions and answers

2026-09-13

Generated by AI and verified

What kind of display does the Ratio Ix3m2 Pro have?

Answer of Generated by AI and verified

The Ratio Ix3m2 Pro features a large 2.8-inch color IPS display with a resolution of 320x240 pixels. The IPS technology provides a wide viewing angle of over 150 degrees for clear visibility.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What is the battery life of the Ix3m2 Pro dive computer?

Answer of Generated by AI and verified

The Ix3m2 Pro is equipped with a USB rechargeable Li-ion battery that provides approximately 20 hours of diving time on a full charge.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What materials are used to build the Ix3m2 Pro?

Answer of Generated by AI and verified

This dive computer is constructed with a heavy-duty composite polymer case and a Mackrolon top glass for durability.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is the Ratio Ix3m2 Pro Dive Computer worth the investment for serious divers?

Answer of Generated by AI and verified

The Ratio Ix3m2 Pro Dive Computer offers advanced features like a Buhlmann ZHL-16C algorithm, multi-gas integration, and a 3D compass, making it a valuable tool for serious divers seeking precision and reliability.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What dive modes are available on the Ratio Ix3m2 Pro?

Answer of Generated by AI and verified

The Ratio Ix3m2 Pro supports Air, Nitrox, Gauge, and Freediving modes.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What is the maximum depth rating for this dive computer?

Answer of Generated by AI and verified

This dive computer has a maximum depth rating of 220 meters (721 feet).

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What decompression algorithm does the Ix3m2 Pro use?

Answer of Generated by AI and verified

This dive computer uses the Buhlmann ZHL-16 C algorithm. It also allows for user adjustment with 6 settable protection levels.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What types of alerts does this dive computer provide?

Answer of Generated by AI and verified

The Ratio Ix3m2 Pro provides vibration, acoustic, and visual alerts to keep you informed during your dive.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Can I use multiple gas transmitters with the Ix3m2 Pro?

Answer of Generated by AI and verified

Yes, the Ix3m2 Pro supports wireless air integration with up to 3 transmitters simultaneously. It also features a specific side mount multi-transmitter mode.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is this dive computer suitable for technical diving with multiple gas mixes?

Answer of Generated by AI and verified

Yes, this computer supports up to 3 different gas mixes with oxygen percentages from 21% to 99%. It also allows for gas switching during a dive.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Can I connect the Ratio Ix3m2 Pro to a PC or Mac?

Answer of Generated by AI and verified

Yes, the dive computer has a PC and Mac interface, allowing you to connect it to your computer.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

How does the Ratio Ix3m2 Pro compare to the Aqualung I770r Dive Computer?

Answer of Generated by AI and verified

However, both are designed for advanced diving needs.

* Generated by AI based on customer and product data

2024-10-07

Dean

Is there now a user manual in German for the dive computer Ratio Ix3MPro? Thanks D. Lambeth

Answer of Ivo Stankus

English is the language of manuals. I think I remember. You can take a look at their page https://www.ratio-computers.com/de/

Answer of VICENTE

English is the language of the manuals, I think. You can take a look at their ratio-computers page.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Technical Decompression Diving 100% Fit

This computer is engineered for complex, multi-gas technical dives. It supports up to three gas mixes and uses the Buhlmann ZHL-16 C algorithm with adjustable conservatism levels, allowing for precise management of decompression obligations on deep dives.

Buhlmann ZHL-16 C algorithm,Supports 3 gas mixes (21%-99% O2),Full Deco Planner,Multi-transmitter support

Sidemount Diving 100% Fit

With its dedicated side mount multi-transmitter mode and support for up to three wireless transmitters, the Ix3m2 Pro is perfectly suited for sidemount configurations. It allows divers to monitor pressure in multiple independent cylinders directly on one screen.

Side Mount Multi Transmitter Mode,Multi-transmitter support for up to 3 tanks,Large 2.8-inch color IPS display,Heavy Duty Composite Polymer case

Advanced Recreational Diving (Nitrox) 80% Fit

For recreational divers pushing their limits with Nitrox, this computer offers a significant upgrade. It provides a clear, large color display, a user-friendly dive planner, and robust safety features like vibration alarms, all while offering a pathway to more advanced diving disciplines.

Dive modes including Air and Nitrox,PO2 range of 1.2 - 1.6,Vibration, acoustic, and visual alerts,Logbook capacity of ~160 hours

Freediving and Apnea Training 70% Fit

The dedicated Freediving mode makes this a capable tool for apnea users. The large, high-contrast display is easy to read on quick descents, and the vibration alarms can be set for critical depth and time notifications, enhancing safety during training.

Freediving dive mode,Vibration Alarm,Large 2.8-inch, 320x240 pixel display,Logbook for performance tracking

Best for

Best for Advanced Technical Divers

This computer supports up to 3 gas mixes, features a Buhlmann ZHL-16 C algorithm, and offers a full deco planner, meeting the complex demands of technical diving.

Dive modes: Air - Nitrox - Gauge - Freediving, Algorithm: Buhlmann ZHL-16 C, Mix gases supported: 3 mix (O2: 21% - 99%), Dive planner: No Deco Limit + Full Deco Planner

Ideal for Deep and Exploration Diving

With a maximum depth rating of 220 meters and a large, high-visibility 2.8-inch IPS display, this device is built for divers pushing their limits in various conditions.

Max depth rating: 220 mt / 721 ft, Display size: 2.8-Inch, Display type: In-Plane Switching,IPS, Display view angle: over 150°

A Top Choice for Diving Professionals

Engineered for reliability with a heavy-duty composite polymer case, EN13319 water resistance certification, and multiple alert types, this computer provides the robust performance required for professional use.

Case material: Heavy Duty Composite Polymer, Water resistance: EN13319, Alerts: Vibration, Acoustic, Visual

Benefits

FunctionalView Your Dive Data Clearly from Any Angle

The large 2.8-inch color IPS display provides a crisp, high-resolution view of your critical dive information. With a wide viewing angle of over 150 degrees and adjustable brightness, you can easily read your stats in various underwater conditions, from bright shallows to deeper, darker waters.

Display size: 2.8-Inch

Display view angle: over 150°

Adjustable brightness: From level 1 to 15

Display resolution: 320x240 pixel

FunctionalAdapts to Your Style of Diving

Whether you're a recreational diver, a technical diver, or a freediver, this computer supports your needs. It offers multiple dive modes including Air, Nitrox, Gauge, and Freediving, making it a versatile tool for a wide range of underwater adventures.

Dive modes: Air - Nitrox - Gauge - Freediving

Mix gases supported: 3 mix (O2: 21% - 99%)

Algorithm: Buhlmann ZHL-16 C

FunctionalDive with Confidence Thanks to Multiple Safety Alerts

This dive computer helps you stay aware of your dive parameters with comprehensive alert systems. It provides vibration, acoustic, and visual alerts for critical information, giving you peace of mind and allowing you to focus on the beauty of your dive.

Alerts: Vibration

Acoustic

Visual

Alarm function: Vibration Alarm

Safety stop adjustment: Yes

Time and depth

Deep stop: yes

FunctionalEasily Log and Analyze Your Dives

With a PC and Mac interface and a logbook capacity for approximately 160 hours of scuba data, you can easily transfer, review, and analyze your dive profiles. This feature allows you to keep a detailed record of your underwater experiences and track your progress over time.

Pc mac interface: yes

Logbook capacity: ~160 hr scuba (sampling 10 sec)

Updates: Yes

user updateble for free

Ideal buyer profiles

The Tech-Savvy Diver

This diver is passionate about leveraging the latest technology to enhance their underwater experience. They value detailed data, customization, and a clear, comprehensive display to monitor every aspect of their dive in real-time.

Its PC/Mac interface and a logbook capacity of approximately 160 hours allow for extensive post-dive analysis, while features like multi-transmitter support and user-updatable firmware appeal directly to the tech-focused user.

The Professional Diver

Working as a divemaster, instructor, or in a technical diving field, this user requires a reliable, robust, and versatile dive computer. For them, safety, accuracy, and the ability to handle complex dive scenarios are non-negotiable.

This computer is built for professional use, featuring a heavy-duty composite polymer case and a max depth rating of 220 meters. It runs on the Buhlmann ZHL-16 C algorithm with 6 adjustable levels, supports up to 3 transmitters, and includes critical safety features like a full deco planner, deep stop adjustments, and multiple alert types (vibration, acoustic, visual).

The Adventurous Hobbyist Diver

This diver regularly explores new and challenging dive sites, from deep wrecks to varied water conditions. They need a capable and feature-rich computer that can grow with their skills and support more advanced diving, including decompression and mixed gases.

The Ix3m2 Pro is an excellent companion for the adventurous diver. It offers multiple modes (Air, Nitrox, Gauge, Freediving) and is rated to 220 meters. The USB rechargeable battery provides approximately 20 hours of dive time, and the large color display with a wide viewing angle ensures readability in various conditions. Its support for multiple gas mixes allows the diver to progress into more technical diving.

Competitive features

The Ratio Ix3m2 Pro Dive Computer enters a competitive field alongside established models from Suunto, Garmin, and Scubapro. It distinguishes itself with a focus on advanced functionality, featuring a large color display for clarity and multi-gas integration for up to three transmitters. With support for Air, Nitrox, and Gauge modes, and a robust Buhlmann ZHL-16C algorithm, it's positioned as a capable tool for dedicated divers.

Where it excels

The Ix3m2 Pro excels in multi-gas management, offering wireless air integration for up to three separate transmitters, a feature beneficial for divers using multiple tanks or in a side-mount configuration. It provides extensive dive planning and data management capabilities, featuring a large color display, a deco table accessible during the dive, and a 3D compass for comprehensive underwater navigation. With a maximum depth rating of 220 meters and support for three gas mixes (up to 99% O2), this computer is built for divers who require advanced technical capabilities and operational depth.

Consider alternatives if...

Verdict

Overall, the Ratio Ix3m2 Pro is a strong contender for serious divers who need advanced multi-gas capabilities and robust dive planning features. While it offers a comprehensive feature set for technical diving, those seeking a more basic or budget-focused computer may find it has more functionality than they require.

Specs comparison

	Ratio Ix3M2 Pro dive computer	Ratio Ix3m2 Tech+ Dive Computer
Material	Heavy Duty Composite Polymer	Heavy Duty Composite Polymer
Adjustable Brightness	From level 1 to 15	From level 1 to 15
Alarm Function	Vibration Alarm	Vibration + acoustic + visual
Battery Life	~20 hr of diving	~20 Hr Of Diving
Dive Modes	Air - Nitrox - Gauge - Freediving	Air - Nitrox - Trimix (full) - CCR - Gauge - Freediving.
Max Depth Rating	220 mt / 721 ft	220 mt / 721 ft.
Water Resistance	EN13319	EN13319
Compass	Yes	Yes
Display Size	2.8-Inch	2.8-Inch
Type	dive computer	Dive Computer
Battery Type	USB Rechargeable Li-ion	USB Rechargeable Li-ion

Specs vs competitors

	Ratio Ix3M2 Pro dive computer	Aqualung I770r Dive Computer	Mares Genius Dive Computer	Aqualung I330r 2 Bar Dive Computer	Scubapro Aladin H With Qr Dive Computer	Crest Cr-5l Cr Lite Dive Computer
Material	Heavy Duty Composite Polymer	NATO band and adjustable bungee wrist mount	-	-	metallic faceplate	316 Stainless Steel
Adjustable Brightness	From level 1 to 15	Yes	-	Yes	-	-
Alarm Function	Vibration Alarm	Audible alarms and color-changing segments	Future Deco And Runaway Deco Alarm (Proprietary)	Audible alarms and high-visibility LED warning light	-	Audible and vibration alarms
Battery Life	~20 hr of diving	rechargeable lithium battery	40 hours	Rechargeable lithium battery provides long-lasting power for multiple dives	2 Years / 300 Dives	up to 40 hours
Dive Modes	Air - Nitrox - Gauge - Freediving	Air, Nitrox, Gauge and Free Dive	Nitrox and Trimix capable, Up to 5 gases	Air, Nitrox, Gauge, Free Dive	Scuba, Gauge	Scuba, Freedive, Gauge
Max Depth Rating	220 mt / 721 ft	-	150m / 492ft	100m / 330 ft	-	100 m / 330 feet
Water Resistance	EN13319	-	-	-	-	10 ATM
Compass	Yes	Yes	full tilt digital compass	-	Yes	-
Display Size	2.8-Inch	TFT	LCD Color Display	-	-	3.1 cm / 1.22 inches
Type	dive computer	wrist	dive computer	2-Gauge Console	hose-attached dive computer	Dive Computer
Battery Type	USB Rechargeable Li-ion	Lithium-Ion	Rechargeable Batteries	Rechargeable Lithium	CR2450	Rechargeable battery