Suunto D4F
Dive Computer
Brand
Model
- D4F
Gases
How many gases does the dive computer support?
Rebreather support
- No
Maximum operating depth (MOD)
- 100 m
- 328 ft
Overview
General information diving related
Maximum operating depth (MOD)
- 100 m
- 328.08 ft (converted)
- 328 ft
- 99.97 m (converted)
Water resistance
The level to which the device can withstand water pressure without leaking or getting damaged.
- 100 m
- 328.08 ft (converted)
Gases
The number of gases the dive computer support
Nitrox support
- No
Trimix support
Gas mixture containing oxygen, nitrogen, and helium, aimed at reducing risks in deep technical dives.
- No
Fresh and sea water support
Gauge mode
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
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.
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
- No
Deep stop
- No
Dive time maximum
- 0 to 999 min
Surface time maximum
- 0 to 100 h
Ascent rate indicator
- Yes
Planner mode
Allows users to simulate the decompression of multiple dives and set surface intervals between them
- No
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.
- No
PO2 setting
Gas time remaining
Gas consumption rate
Customizable conservatism
Air integration
Air integration
Tank pressure transmiter support
Tank pressure transmitter
Battery
Battery description
Battery duration
The number of dives or total diving duration a battery can sustain before recharge or replacement.
- 100 dives/year
Rechargeable battery
- No
Battery type
- CR 2450
Low battery indicator
- Yes
Battery lifespan
The duration a battery efficiently functions before requiring replacement due to diminished capacity.
- 1.5 yr
- 2 yr
Dive alarms and Notifications
Maximum depth alarm
- No
Tank pressure alarm
- No
Low pO2 (hypoxic) alarm
High pO2 (hyperoxic) alarm
- No
Too fast ascent alarm
- No
Decompression ceiling violation alarm
- No
Deepstop violation alarm
- No
CNS alarm
- No
OTU/OLF alarm
(Oxygen Tolerance Units / Oxygen Limit Fraction)
- No
Switch gas suggestion notification
- No
Diluent switched automatically notification
- No
Diluent low pO2 alarm
Diluent high pO2 notification
- No
Vibration alarm
- No
Design and Materials
Bezel material
- Stainless steel
Strap material
- Elastomer
Glass material
- Mineral crystal
Case material
- Composite
Colors
- Black
Interchangeable straps
Time and Clock
Dual time
- Yes
Timer
- Yes
Alarm clock
- Yes
Chronometer/Stopwatch
- Yes
Displays date
- Yes
Displays time
- Yes
GPS time sync
Time is set according to GPS location
Technical information
Weight
- 86 g
- 3.03 oz (converted)
- 3.03 oz
- 85.9 g (converted)
Units
Imperial or metric
- Metric and imperial
Measurements
- 48.6 x 43.8 x 16 mm
- 1.91 x 1.72 x 0.63 in (converted)
- 1.91 x 1.72 x 0.63 in
- 4.85 x 4.37 x 1.6 cm (converted)
Languages
- EN
Algorithm
Decompression model
- Full continuous decompression algorithm - Suunto RGBM
Dimensions
Dive computer dimensions
Display information
Display resolution
- 49 x 22 px
Display type
- Matrix
Color display
- No
Backlight
- Yes
Display diameter
Customizable display
Number of buttons
Connectivity & Software
Available connectivity ports, data transfer
Bluetooth support
- No
USB data transfer
- Yes
Hoseless tank data
- No
Updatable software
Mobile app compatible
Mobile app support features
Mobile notifications
Data transfer
PC/MAC application compatible
Memory
GB/MB
Rebreather
Rebreather support
- No
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
Freediving information
Freedive mode
- Yes
Apnea timer (O2/CO2 tables)
- Yes
Shows number of dives
- Yes
Freedive day history
- Yes
Freedive total history
- Yes
Logbook
Logbook memory
Memory in hours/dives
- ~140 h
Scubadive sampling rate for logbook
Freedive sampling rate for logbook
- 1 s
- 2 s
- 5 s
Temperature
Temperature resolution
Temperature display
Operating temperature
- 0 to 40 C
- 32 to 104 F (converted)
- 32 to 104 F
- 0 to 40 C (converted)
Storage temperature
- -20 to 50 C
- -4 to 122 F (converted)
- -4 to 122 F
- -20 to 50 C (converted)
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
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
Heart rate
Weather forecast
Entry and exit location automatic save
Surface diver status widget
Tide information
Description
Decription provided by the manufacturer (facts, technical description)
- Dive computer for freediving, snorkeling and spearfishing. Made in Finland. Suunto D4f is a light yet robust freedive computer, that makes underwater sports enjoyable. When diving, the D4f displays y... More
Manual
Product No
Product number
- SS023198000
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