COMPARE DIVE COMPUTERS
Shearwater produces powerful, simple, reliable dive computers along with best-in-class service and support to back them up. Use this helpful chart to compare our current line-up of core Shearwater Dive Computers.
|
Product
|
 Perdix 3 |
 Perdix 2 |
 Tern TX |
 Tern |
 Peregrine TX |
 Peregrine |
 Teric |
 Petrel 3 |
 NERD 2 |
|---|---|---|---|---|---|---|---|---|---|
|
Price
|
$1,650.00
|
$1,525.00
|
$1,025.00
|
$750.00
|
$975.00
|
$745.00
|
$1,500.00
|
$1,650.00
|
$2,750.00
|
|
Description
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Our flagship full-size expedition-grade dive computer built for reliability with a vivid full-colour AMOLED display.
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A reliable full-size computer with legendary toughness and expedition-grade features.
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An ultra-compact dive computer with a brilliant display, wireless air integration and navigation.
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An ultra-compact dive computer with a brilliant display for scuba and freedivers.
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A compact dive computer with a large, bright display, wireless air integration and navigation.
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A compact, easy-to-use dive computer with a large, bright display.
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A ruggedized, compact dive computer rigorously tested for use in extreme environments.
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A robust, full-featured dive computer with rebreather-proven performance.
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An advanced dive computer in a heads-up display format.
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Dive Modes
|
Air / Nitrox / 3 GasNx,
OC Tec (Trimix Enabled),
CC/BO (Fixed PPO2),
Gauge,
Freediving,
Avelo (Optional Unlock)
|
Air / Nitrox / 3 GasNx,
OC Tec (Trimix Enabled),
CC/BO (Fixed PPO2),
Gauge
Avelo (Optional Unlock)
|
Air,
Nitrox,
3 Gas Nitrox,
Gauge,
Freediving,
Avelo (Optional Unlock)
|
Air,
Nitrox,
3 Gas Nitrox,
Gauge,
Freediving
|
Air,
Nitrox (Up to 40%),
3 Gas Nitrox (Up to 100% O2),
Gauge,
Avelo (Optional Unlock)
|
Air,
Nitrox (Up to 40%),
3 Gas Nitrox (Up to 100% O2),
Gauge
|
Air,
Nitrox,
5 Gas Nitrox,
OC TEC: Trimix enabled,
CC/BO: Fixed PPO2,
Gauge: Bottom timer with stop watch and dive logging,
Freediving: Configurable sampling rates and alarms,
Avelo (Optional Unlock)
|
Air / Nitrox / 3 GasNx,
OC Tec (Trimix Enabled),
CC/BO (Fixed PPO2),
Gauge
|
Air
Nitrox
3 Gas Nitrox
OC Tec - Multi gas, trimix decompression computer
CC INT - Closed circuit fixed PPO2
Gauge - Bottom timer with stop watch and dive logging
|
|
Number of Gases
|
5 OC/CC
|
5 OC/CC
|
3 OC
|
3 OC
|
3 OC
|
3 OC
|
5 OC/CC
|
5 OC/CC
|
5 OC / 5 CC
|
|
Algorithm
|
ZHL16-C
|
ZHL16-C
Optional VPM / Optional DCIEM
|
ZHL16-C
|
ZHL16-C
|
ZHL16-C
Optional VPM / Optional DCIEM
|
ZHL16-C
Optional VPM / Optional DCIEM
|
ZHL16-C
|
ZHL16-C
Optional VPM / Optional DCIEM
|
ZHL16-C
Optional VPM / Optional DCIEM
|
|
Screen Resolution
|
450 x 600
|
320 x 240
|
360 x 360
|
360 x 360
|
320 x 240
|
320 x 240
|
400 x 400
|
320 x 240
|
320x240
|
|
Display Type
|
Full colour AMOLED
|
LCD with LED backlight
|
Full colour AMOLED
|
Full colour AMOLED
|
LCD with LED backlight
|
LCD with LED backlight
|
Full Colour AMOLED
|
AMOLED
|
Full color QVGA LCD with always on LED backlight
|
|
Display Size
|
6.1cm / 2.4"
|
5.59cm / 2.2”
|
3.3cm / 1.3"
|
3.3cm / 1.3"
|
5.59cm / 2.2"
|
5.59cm / 2.2"
|
3.53cm / 1.39"
|
6.60cm / 2.6”
|
0.2" (Appears equivalent to a 24" screen at 10ft)
|
|
Computer Dimensions
|
81mm x 71mm x 38mm
(3.2" x 2.8" x 1.5")
|
81mm x 71mm x 38mm
(3.2” x 2.8” x 1.5”)
|
50mm (1.97") Diameter x 16mm (0.63") Thick
|
50mm (1.97") Diameter x 16mm (0.63") Thick
|
77mm x 68mm x 25mm
(3.09" x 2.67" x 0.98")
|
77mm x 68mm x 25mm
(3.09" x 2.67" x 0.98")
|
55mm x 55mm x 18mm
(2.17” x 2.17”x 0.71”)
|
83mm x 75mm x 39mm
(3.3” x 2.97” x 1.5”)
|
33mm x 86mm x 44mm (1.3" x 3.36" x 1.73")
|
|
Weight (Dive Computer Only)
|
181g (6.38oz)
|
190g (6.7oz)
|
100g (3.53oz)
|
100g (3.53oz)
|
125g (4.41 oz)
|
122g (4.3oz)
|
120.4g (4.16 oz)
|
SA – 266g (9.38 oz)
EXT – 285g (10.05 oz)
|
74g (2.61oz)
|
|
Battery Type
|
User-Replaceable Single AA
|
User-Replaceable Single AA
|
Rechargeable li-ion battery
|
Rechargeable li-ion battery
|
Rechargeable li-ion battery
|
Rechargeable li-ion battery
|
Rechargeable li-ion battery
|
User-Replaceable Single AA
|
Rechargeable li-ion battery
|
|
Battery Life
|
60 hours - Lithium 1.5V, 40 hours - 1.5 V Alkaline, 80 hours - 3.6 V Saft, 30 hours - 1.2 V NiMh, 35 hours - 3.7 V Li-ion rechargeable
|
60 hours - Lithium 1.5V, 40 hours - AA Alkaline, 100 hours - SAFT LS14500
|
20 hours
|
20 hours
|
30 hours
|
30 hours
|
30 hours (Dive mode),
50 hours (Watch mode)
|
60 hours - Lithium 1.5V, 40 hours - AA Alkaline, 100 hours - SAFT LS14500
|
18 Hours (medium brightness)
|
|
Dive Log Capacity
|
1000 hours (approx.)
|
1000 hours (approx.)
|
500 hours (approx.)
|
500 hours (approx.)
|
400 hours (approx.)
|
200 hours (approx.)
|
500 hours (approx.)
|
1000 hours (approx.)
|
1000 hours (approx.)
|
|
Depth Rating
|
260m / 850ft
|
260m / 850ft
|
120m / 394ft
|
120m / 394ft
|
120m / 394ft
|
120m / 394ft
|
200m / 660ft
|
290m / 950ft
|
300m / 985ft
|
|
Alerts
|
Vibrations only
|
Vibrations only
|
Vibrations only
|
Vibrations only
|
Vibrations only
|
Vibrations only
|
Vibrations & audible alarms
|
Vibrations only
|
Display alerts only
|
|
Air Integration
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
|
Transmitters Supported
|
Up to 4
|
Up to 4
|
Up to 4
|
None
|
Up to 4
|
None
|
Up to 4
|
Up to 4
|
Up to 4
|
|
Bluetooth
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Buttons
|
2
(Piezo, Titanium)
|
2
(Piezo, Titanium)
|
4 (316 Stainless bezel and buttons)
|
4 (316 Stainless bezel and buttons)
|
2 (316 stainless steel buttons)
|
2 (316 stainless steel buttons)
|
4
(316 stainless steel buttons)
|
2
(Piezo, Titanium)
|
2 (piezo-electric)
|
|
Digital Compass
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
|
NDL Planner
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Deco Planner
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Firmware Updates
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Language Support
|
English, French, German, Portuguese, Korean, Japanese, Italian, Spanish, Simplified Chinese, Traditional Chinese
|
English, French, German, Portuguese, Korean, Japanese, Italian, Spanish, Simplified Chinese, Traditional Chinese
|
English, French, German, Portuguese, Korean, Japanese, Italian, Spanish, Simplified Chinese, Traditional Chinese
|
English, French, German, Portuguese, Korean, Japanese, Italian, Spanish, Simplified Chinese, Traditional Chinese
|
English, French, German, Portuguese, Korean,
Japanese, Italian, Spanish, Simplified Chinese,
Traditional Chinese
|
English, French, German, Portuguese, Korean,
Japanese, Italian, Spanish, Simplified Chinese,
Traditional Chinese
|
English, French, German, Portuguese, Korean, Japanese,
Italian, Spanish, Simplified Chinese, Traditional Chinese,
Polish, Russian
|
English, French, German, Portuguese, Korean, Japanese, Italian, Spanish, Simplified Chinese, Traditional Chinese
|
English
|
|
Wrist Straps Included
|
Black bungee strap kit & bungee cord
|
Black bungee strap kit & bungee cord
|
One long and one standard Remora quick connect strap included
|
One long and one standard Remora quick connect strap included
|
Standard strap and shock cord
|
Standard strap and shock cord
|
22mm black silicone strap
(extender strap included)
|
Black bungee strap kit & bungee cord
|
NA
|
|
Accessories Available
|
Straps available in orange and black.
Silicone protective cases available in black and white.
Screen protector kits.
|
Straps available in orange and black.
Silicone protective cases available in black and white.
Screen protector kits.
|
Remora Bands with various colours available in standard silicone straps or webbing straps for drysuits.
Screen protector kits.
|
Remora Bands with various colours available in standard silicone straps or webbing straps for drysuits.
Screen protector kits.
|
Wrist strap colours in black, grey, white and blue. Silicone protective cases in black, white and grey. Screen protector kits.
|
Wrist strap colours in black, grey, white and blue. Silicone protective cases in black, white and grey. Screen protector kits.
|
Remora Bands with various colours available in standard silicone straps or webbing straps for drysuits.
Screen protector kits.
|
Straps available in orange and black. Screen protector kit.
|
Mount kits and rail systems
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WHICH DIVE COMPUTER IS RIGHT FOR YOU?
If you are still trying to decide which dive computer is right for you, feel free to get in touch with us or go to any of our over 1700 authorized Shearwater dealers worldwide.
