Garmin Descent Mk2s
Dive Computer
Brand
Model
- Descent Mk2s
Gases
How many gases does the dive computer support?
- 11
Rebreather support
- Yes
Maximum operating depth (MOD)
- 100 m
Overview
General information diving related
Maximum operating depth (MOD)
- 100 m
- 328.08 ft (converted)
Water resistance
The level to which the device can withstand water pressure without leaking or getting damaged.
Gases
The number of gases the dive computer support
- 11
Nitrox support
- Yes
Trimix support
Gas mixture containing oxygen, nitrogen, and helium, aimed at reducing risks in deep technical dives.
- Yes
Fresh and sea water support
- Yes
Gauge mode
- Yes
Dive planning essentials
Residual nitrox reset
Allows divers to clear memory of past nitrogen and oxygen levels to safely switch between different nitrox mixes for new dives
- Yes
Deco dive planner
A "Deco" (Decompression) Dive Planner is a tool for scuba divers to plan dives exceeding the no-decompression limit (NDL), necessitating calculated stops during ascent for safe nitrogen release from the body.
- Yes
No fly time indicator
The necessary surface interval a diver must wait before flying after a dive, calculated to prevent decompression sickness by allowing excess nitrogen to safely dissipate from the body.
- Yes
Safety stop
- Yes
Deep stop
- Yes
Dive time maximum
Surface time maximum
Ascent rate indicator
- Yes
Planner mode
Allows users to simulate the decompression of multiple dives and set surface intervals between them
- Yes
Altitude selection
The altitude selection in a dive computer adjusts the decompression model to account for reduced atmospheric pressure at higher elevations, ensuring safer dive planning and decompression calculations.
- Yes
PO2 setting
- Up to 2.0
Gas time remaining
Gas consumption rate
Customizable conservatism
- Yes
Air integration
Air integration
Tank pressure transmiter support
- Yes
Tank pressure transmitter
Battery
Battery description
Battery duration
The number of dives or total diving duration a battery can sustain before recharge or replacement.
- Dive mode: Up to 30 hours
- Smartwatch: Up to 7 days
- Battery Saver Watch Mode: Up to 21 days
- GPS: Up to 18 hours
- GPS + Music: Up to 6 hours
- Max Battery GPS Mode: Up to 32 hours
Rechargeable battery
- Yes
Battery type
Low battery indicator
- Yes
Battery lifespan
The duration a battery efficiently functions before requiring replacement due to diminished capacity.
Dive alarms and Notifications
Maximum depth alarm
- Yes
Tank pressure alarm
Low pO2 (hypoxic) alarm
- Yes
High pO2 (hyperoxic) alarm
- Yes
Too fast ascent alarm
- Yes
Decompression ceiling violation alarm
- Yes
Deepstop violation alarm
- Yes
CNS alarm
- Yes
OTU/OLF alarm
(Oxygen Tolerance Units / Oxygen Limit Fraction)
- Yes
Switch gas suggestion notification
- Yes
Diluent switched automatically notification
Diluent low pO2 alarm
Diluent high pO2 notification
Vibration alarm
- Yes
Design and Materials
Bezel material
- Stainless steel
Strap material
- Silicone
Glass material
- Sapphire crystal
Case material
- Fiber-reinforced polymer
Colors
- Black
- Light gold
- Blue
Interchangeable straps
Time and Clock
Dual time
Timer
- Yes
Alarm clock
- Yes
Chronometer/Stopwatch
- Yes
Displays date
- Yes
Displays time
- Yes
GPS time sync
Time is set according to GPS location
- Yes
Technical information
Weight
- 1.28 lb
- 580.6 g (converted)
Units
Imperial or metric
- Metric and imperial
Measurements
- 1.69 x 1.69 x 0.56 in
- 4.29 x 4.29 x 1.42 cm (converted)
Languages
Algorithm
Decompression model
- Bühlmann ZHL-16c with gradient factors
Dimensions
Dive computer dimensions
Display information
Display resolution
- 240 x 240 px
Display type
- Sunlight-visible, transflective memory-in-pixel (MIP)
Color display
- Yes
Backlight
- Yes
Display diameter
- 30.4 mm
- 1.2 in (converted)
Customizable display
- Yes
Number of buttons
- 5
Connectivity & Software
Available connectivity ports, data transfer
Bluetooth support
- Yes
USB data transfer
- Yes
Hoseless tank data
Updatable software
- Yes
Mobile app compatible
- Yes
Mobile app support features
Mobile notifications
- Yes
Data transfer
PC/MAC application compatible
- Yes
Memory
GB/MB
- 32 GB
Rebreather
Rebreather support
- Yes
Maximum diluents
Bailout
High/low setpoints
Custom setpoint
Manual/automatic setpoint switching
Compass & Navigation
Digital compass
Needle type
Direction scale
Tilt compensation
Compass resolution
Compass accuracy
Globally balanced
Declination correction
GPS Navigation
- Yes
Freediving information
Freedive mode
- Yes
Apnea timer (O2/CO2 tables)
Shows number of dives
Freedive day history
Freedive total history
Logbook
Logbook memory
Memory in hours/dives
Scubadive sampling rate for logbook
Freedive sampling rate for logbook
Temperature
Temperature resolution
Temperature display
Operating temperature
Storage temperature
Recommended charging temperature
Model Evolution
Related products
Same item in a set or different variant
Predecessor
Earlier model
Successor
Newer model that offers advancements in technology, features, and performance over the previous version.
Production
Years manufactured
- 16 July 2021 - present
Related items
Accessories
Additional items or equipment that enhance its functionality, protection, or user experience, such as screen guards, mounting options, and interface cables for data transfer.
Various
Sunrise/sunset times
- Yes
Heart rate
- Yes
Weather forecast
Entry and exit location automatic save
- Yes
Surface diver status widget
Tide information
Description
Decription provided by the manufacturer (facts, technical description)
- The Garmin Descent MK2s is a smaller model with a diameter of 43mm but has the same features as the MK2. Furthermore, the model has three different options compared to the MK2: a gold, black or metallic bezel ring More
Manual
Product No
Product number
- 010-02403-00
- 010-02403-03
- 010-02403-06
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