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Scuba Diving Technical show info...

The Scuba Doctor is the leading source for equipment for advanced and technical divers. We have supplied thousands of experienced tech and rebreather divers worldwide with quality scuba diving equipment from the finest manufacturers.

Every year experienced divers die in diving related avoidable accidents that should not have happened because the victim was "always so careful". One of the more common examples is a failure to analyse gas before diving, but there are many different types of avoidable accidents. The usual explanation put forward is a lapse in following their training, typically as a result of complacency. The victim is blamed for becoming complacent, the dive community is again reminded to be vigilant against complacency, and then another avoidable accident occurs. Perhaps a different way of explaining the cause of these predictable accidents could help effect a change in this unfortunate cycle.

The concept of Normalisation of Deviance has been used to describe the cause of NASA's flawed decisions that led to the Challenger space shuttle disaster. Normalisation of deviance from dive safety begins when the diver has a lapse in one or more safety protocols (often as a result of time and/or financial pressures) and nothing bad happens. The lapse reoccurs without incident and slowly the diver grows more accustomed to the deviant behaviour. Eventually the diver becomes so accustomed to a deviation from dive safety standards that they consider their unsafe behaviour to be acceptably normal. Ultimately one or more safety protocols are permanently deleted from their routine; enabling the diver have a serious, perhaps fatal, accident. To other divers, the accident is bewildering because the behaviour seems obviously unsafe and the victim had enough training and certainly enough experience to "know better".

It's clearly not productive to keep blaming the victim for these avoidable accidents. We can't solve this complex problem in a Tech Tip but a step to addressing this dive safety issue is to begin a discussion within the dive training community. Do we need a different educational approach that formally recognises and addresses normalisation of deviance as an underlying cause of many avoidable accidents among experienced divers? If you are an experienced diver, or dive professional, The Scuba Doctor urges you to raise awareness of this issue among your peers.


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Hollis
Hollis PRISM 2 Rebreather
Category Path: Scuba and Watersports > Scuba Diving Technical > Rebreather Accessories > Rebreather Extras

Hollis PRISM 2 Rebreather

The Prism 2 is a fully closed circuit Rebreather, ideal for exploring open ocean, caves, or wrecks. This unit can be electronically or manually...

Call for Price
Mares
Mares XR DR 25X Tech Regulator Set
Category Path: Scuba and Watersports > Scuba Diving Recreational > Regulators > Twinset Regulators

Mares XR DR 25X Tech Regulator Set

The Mares XR DR 25X Regulator Set is a pair of regulators for a DIR twin setup with a heavy duty metal 2nd stage for outstanding performance for...
$1,599.00
Mares
Mares XR CR 25X Tech Regulator Set
Category Path: Scuba and Watersports > Scuba Diving Recreational > Regulators > Twinset Regulators

Mares XR CR 25X Tech Regulator Set

The Mares XR CR 25X Regulator Set is a pair of regulators for a DIR twin setup with a heavy duty metal 2nd stage for outstanding performance for...
$1,399.95
Apeks
Apeks XTX50 Oxygen Regulator Set - DIN
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Regulators

Apeks XTX50 Oxygen Regulator Set - DIN

Now you can get Apeks XTX50 regulator technology in an oxygen ready model. The Apeks XTX50 Oxygen First and Second Stage Regulator Set is built for...
$950.00
Miflex Hoses
Miflex SPG Console - White Face SPG
Category Path: Computers Gauges and Compasses > Diving Consoles

Miflex SPG Console - White Face SPG

The Miflex SPG Console combines a Miflex White Face Submersible Pressure Gauge (SPG) in a Console with a 75 cm (30 inch) long Miflex Carbon Black HD...
$211.00
Miflex Hoses
Miflex Tech Brass Snap SPG White Face - 300 Bar
Category Path: Computers Gauges and Compasses > Analogue Gauges

Miflex Tech Brass Snap SPG White Face - 300 Bar

The Miflex White Faced 52 mm diameter Slim Brass Tech Snap Submersible Pressure Gauge (SPG) is in a nickel plated solid brass housing with extremely...
$169.00
Miflex Hoses
Miflex Tech Brass and Glass SPG Black Face - 300 bar
Category Path: Computers Gauges and Compasses > Analogue Gauges

Miflex Tech Brass and Glass SPG Black Face - 300 bar

The Miflex Tech Brass and Glass SPG Submersible Pressure Gauge (SPG) with Black Face is a compact and robust cylinder pressure gauge, which provides...
$156.00
Miflex Hoses
Miflex Tech Brass and Glass SPG White Face - 300 bar
Category Path: Computers Gauges and Compasses > Analogue Gauges

Miflex Tech Brass and Glass SPG White Face - 300 bar

The Miflex Tech Brass and Glass Submersible Pressure Gauge (SPG) with White Face is a compact and robust cylinder pressure gauge, which provides...
$131.00
Apeks
Apeks XTX50 Regulator Set | YOKE
Category Path: Scuba and Watersports > Scuba Diving Recreational > Regulators > Diving Regulators

Apeks XTX50 Regulator Set | YOKE

This regulator set combines an Apeks XTX50 Primary Regulator with an Apeks XTX50 Second Stage Regulator to deliver effortless air delivery in all...
$880.00  $770.00
-13%
Apeks
Apeks XTX50 Regulator Set | DIN
Category Path: Scuba and Watersports > Scuba Diving Recreational > Regulators > Diving Regulators

Apeks XTX50 Regulator Set | DIN

This regulator set combines an Apeks XTX50 Primary Regulator with an Apeks XTX50 Second Stage Regulator to deliver effortless air delivery in all...
$880.00  $770.00
-13%
Miflex Hoses
Miflex Thin-Line Brass SPG - 300 bar
Category Path: Computers Gauges and Compasses > Analogue Gauges

Miflex Thin-Line Brass SPG - 300 bar

The Miflex Thin-Line Submersible Pressure Gauge (SPG) is an extremely compact cylinder pressure gauge incorporating a safety-pin-type tube and a gear...
$117.00
Shearwater Research
Shearwater Research Petrel 2
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 2

The Shearwater Research Petrel 2 OC/CC SA dive computer with Titanium bezel is a rugged and reliable technical dive computer with a whole range of...
$1,450.00

Max: 2
FREE SHIPPING
Shearwater Research
Shearwater Research Petrel 2 OC/CC - Fischer
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 2 OC/CC - Fischer

The Shearwater Research Petrel 2 Fischer OC/CC EXT dive computer has all the modes and features of the Petrel 2, plus incorporates a Fischer 103 I/O...
$1,850.00

Max: 1
FREE SHIPPING
Shearwater Research
Shearwater Research SWIFT HP Wireless AI Transmitter
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computer Accessories > Shearwater Accessories

Shearwater Research SWIFT HP Wireless AI Transmitter

The Shearwater Research Swift is the next generation of smart air-integrated wireless tank-pressure transmitters. The Swift allows divers to carry...
$650.00
Shearwater Research
Shearwater Research Perdix 2 TI Black Computer
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computers

Shearwater Research Perdix 2 TI Black Computer

The Shearwater Research Perdix AI dive computer incorporates a powerful feature set, easy to understand menus, and easy to read full-colour display....
$1,775.00
FREE SHIPPING
Shearwater Research
Shearwater Research Perdix 2 TI Dive Computer
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Perdix 2 TI Dive Computer

The Shearwater Research Perdix TI dive computer incorporates a powerful feature set, easy to understand menus, and easy to read full-colour display....
$1,775.00
FREE SHIPPING
Shearwater Research
Shearwater Research Teric Watch Computer - BLACK
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer - BLACK

The Shearwater Research Teric brings divers an everyday timepiece and dive computer of unprecedented capabilities. Different watch faces,...
$1,835.00
FREE SHIPPING
Shearwater Research
Shearwater Research Teric Watch Computer - SILVER
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer - SILVER

The Shearwater Research Teric brings divers an everyday timepiece and dive computer of unprecedented capabilities. Different watch faces,...
$1,835.00
FREE SHIPPING
Shearwater Research
Shearwater Research NERD 2 Dive Computer - Fischer
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computers

Shearwater Research NERD 2 Dive Computer - Fischer

The Shearwater Research NERD 2 Fischer is a heads up (HUD) display, advanced hands-free technical diving computer for open and closed circuit divers....
$3,400.00
FREE SHIPPING
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Black - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) GR
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) GR

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Green - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) GR
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) GR

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Green - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK O2
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK O2

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Black - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$158.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK O2
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK O2

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Black - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided Valve...
$158.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Gree
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Gree

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Green - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided Valve...
$158.00
Garmin
Garmin Descent T1 Transmitter
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computer Accessories > Garmin Accessories

Garmin Descent T1 Transmitter

Track your every breath when you pair the Garmin Descent™ T1 transmitter with a Garmin Descent Mk2i dive computer. Monitor up to 5 cylinders...
$699.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Black - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Gre
Category Path: Cylinders Tanks > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Gre

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Green - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$158.00
OMS
OMS SmartStream Signature System - 45lb Double Wing - SS
Category Path: Scuba and Watersports > Scuba Diving Recreational > BCDs BCs > Harness and Wing BCDs

OMS SmartStream Signature System - 45lb Double Wing - SS

This OMS SmartStream Signature System with Stainless Steel Backplate and 45 lb Lift Wing offers you a double tank harness system for diving in total...
$3,000.00
OMS
OMS IQ Backpack Harness - XXS
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

OMS IQ Backpack Harness - XXS

OMS IQ Backpack Harness - XXS. One of OMS's signature products, the form-fitting, fast adjust OMS IQ Pack harness leads the way in comfort and...
$890.00
OMS
OMS IQ Backpack Harness - M-L
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

OMS IQ Backpack Harness - M-L

OMS IQ Backpack Harness - M-L. One of OMS's signature products, the form-fitting, fast adjust OMS IQ Pack harness leads the way in comfort and...
$890.00
OMS
OMS IQ Backpack Harness - L-XL
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

OMS IQ Backpack Harness - L-XL

OMS IQ Backpack Harness - L-XL. One of OMS's signature products, the form-fitting, fast adjust OMS IQ Pack harness leads the way in comfort and...
$890.00

Max: 1
Mares
Mares XR Harness Heavy Duty with SS Hardware
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

Mares XR Harness Heavy Duty with SS Hardware

The Mares XR Heavy Duty Harness with with Stainless Steel Hardware is part of the Mares Extended Range (XR) Gear Line. Bridging the gap between...
$159.95
Mares
Mares XR Complete Mounting System with 3mm Ali Backplate
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

Mares XR Complete Mounting System with 3mm Ali Backplate

The Mares XR Complete Mounting System with 3mm Aluminium Backplate is part of the new Mares Extended Range (XR) Gear Line. It is a combination of the...
$549.95
Mares
Mares XR Harness Heavy Duty with Aluminium Hardware
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

Mares XR Harness Heavy Duty with Aluminium Hardware

The Mares XR Heavy Duty Light Harness with Marine Grade Anodised Aluminium Hardware is part of the Mares Extended Range (XR) Gear Line. Bridging the...
$149.95
Mares
Mares XR Complete Mounting System with 3mm SS Backplate
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

Mares XR Complete Mounting System with 3mm SS Backplate

The Mares XR Complete Mounting System with 3mm Stainless Steel Backplate is part of the new Mares Extended Range (XR) Gear Line. It comes with a...
$579.95
OMS
OMS Continuous Weave DIR Harness
Category Path: Scuba and Watersports > Scuba Diving Technical > Harness / Backplate / Wings

OMS Continuous Weave DIR Harness

The OMS Continuous Weave DIR Harness system is a basic harness for use with an aluminium or steel backplate. Divers that prefer the simplest, most...
$478.00
Dolphin Tech
Dolphin Tech Harness - Deluxe - Long
Category Path: Scuba and Watersports > Scuba Diving Recreational > BCDs BCs > Backplate Systems

Dolphin Tech Harness - Deluxe - Long

Dolphin Tech Harness - Deluxe - Long. The Dolphin Tech Deluxe Harness gives the diver a more comfortable set up than the Dolphin Tech Basic Harness....
$185.00
Dolphin Tech
Dolphin Tech Harness - Deluxe - Standard
Category Path: Scuba and Watersports > Scuba Diving Recreational > BCDs BCs > Backplate Systems

Dolphin Tech Harness - Deluxe - Standard

Dolphin Tech Harness - Deluxe - Standard. The Dolphin Tech Deluxe Harness gives the diver a more comfortable set up than the Dolphin Tech Basic...
$180.00
Miflex Hoses
Miflex Carbon HD HP Hose 15 cm - 6 inch (Carbon Black)
Category Path: Hoses Hardware and Care > Miflex Hoses / Accessories > Miflex High Pressure Gauge Hoses

Miflex Carbon HD HP Hose 15 cm - 6 inch (Carbon Black)

These 15 cm (6 inch) Carbon Black Miflex Carbon HD Heavy Duty High Pressure Gauge Hoses are just great for using to attach your SPG to...
$108.00
Sterling Leisure
San-O-Sub Rebreather X Flow Inline Cylinder Valve (300 bar) - BK
Category Path: Cylinders Tanks > Valves / Manifolds

San-O-Sub Rebreather X Flow Inline Cylinder Valve (300 bar) - BK

San-O-Sub Rebreather X Flow Inline Cylinder Valve (300 bar) - Black. The San-O-Sub T profile 300 bar X Flow valve is specifically designed to be used...
$139.00
Miflex Hoses
Miflex Carbon HD HP Hose 20 cm - 8 inch (Carbon Black)
Category Path: Hoses Hardware and Care > Miflex Hoses / Accessories > Miflex High Pressure Gauge Hoses

Miflex Carbon HD HP Hose 20 cm - 8 inch (Carbon Black)

These 20 cm (8 inch) long Miflex Carbon HD (Heavy Duty) High Pressure Gauge Hoses are finished in the popular Carbon Black coloured braiding are more...
$108.00
Divesoft
Divesoft Oxygen Sensor 22S (3-pin Molex)
Category Path: Scuba and Watersports > Scuba Diving Technical > Gas Management > Analyser Accessories

Divesoft Oxygen Sensor 22S (3-pin Molex)

A Divesoft Oxygen Sensor type 22S with a three-pin Molex connector. It is designed as a spare part for the Divesoft analyzer, but it can also be used...
$140.00
San-o-Sub
San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - Gr
Category Path: Cylinders Tanks > Valves / Manifolds

San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - Gr

San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - Green. The San-O-Sub T profile X Flow valve is specifically designed to be used with...
$139.00
Suunto
Suunto Tank POD Multi Transmitter for EON/D5 Dive Computers
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computer Accessories > Suunto Accessories

Suunto Tank POD Multi Transmitter for EON/D5 Dive Computers

The Suunto Tank POD Multi Transmitter for Suunto EON and D5 dive computers allows you to quickly and easily view your tank pressure from your Suunto...
$549.00
San-o-Sub
San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - BK
Category Path: Cylinders Tanks > Valves / Manifolds

San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - BK

San-O-Sub Rebreather X Flow Inline Cylinder Valve (232 bar) - Black. The San-O-Sub T profile X Flow valve is specifically designed to be used with...
$139.00
Suunto
Suunto USB Download Cable for New D-series DX D9tx D6i D4i
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computer Accessories > Suunto Accessories

Suunto USB Download Cable for New D-series DX D9tx D6i D4i

The new Suunto D-Series USB Interface Cable enables you to connect your D-Series dive computer to your PC and download your dive data. The new cable...
$129.00
Suunto
Suunto Wireless Tank Pressure Transmitter LED
Category Path: Scuba and Watersports > Scuba Diving Technical > Tech Computers and Accessories > Tech Computer Accessories > Suunto Accessories

Suunto Wireless Tank Pressure Transmitter LED

Monitor Cylinder Pressure and Air Consumption Data Wirelessly From Your Suunto D-series, Vyper Air, Vytec or HelO2 Dive Computer With the Suunto...
$449.00

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