Company News

Analox Sub MKIIPTM Portable Hyperbaric Monitor

Posted by Grahamne Muir

  • 5th October 2015
  • Analox
  • no comments

The Sub MKIIPTM is specifically designed for operation in a DISSUB scenario. It provides accurate partial pressure readings of oxygen and carbon dioxide. Its minimal controls and long battery life, ensure its easy to use in stressful scenario’s and can be operated by any crew member during a DISSUB event. It can store DISSUB atmospheric data for post event analysis.

Applications for the Analox Sub MKIIP include:

  • Submarine Escape
  • Hyperbaric Therapy Chambers
  • Tourist Submarines
  • Diving Decompression Chambers

Analox SDA 02

Posted by Grahamne Muir

The new SDA series will offer users the latest digital technology in commercial diving gas detection.

The SDA series is a range of fixed external chamber analysers used to control levels of gases such as oxygen and carbon dioxide. The new products are designed to be more easily configured to meet the users’ needs, with interchangeable sensors and software.

The SDA series has been developed following discussion and feedback from the commercial diving industry.

The SDA O2 is available in either panel or rack mount format.

Portable O2

Posted by Grahamne Muir

  • 15th September 2015
  • Analox
  • no comments

Take the risk away with this portable nitrox checker. Comes complete with a DII adapter and an oxygen compensation chart.

  • Small enough to take anywhere
  • No tools to clutter your kitbag
  • Quick and easy to use
  • US Navy Approved
  • Just crack your tank and you’ve checked it!

Divex G30 CO2

Posted by Grahamne Muir

The Divex G30 is extremely popular with commercial diving contractors worldwide as it is designed for monitoring carbon dioxide levels in diving decompression chambers.  This rack mounted analyser provides a constant display of parts per million CO2 within 2% accuracy.

  • Available off the shelf
  • Range 0-5000ppm CO2
  • Easily read LED display
  • Infra-red sensor technology
  • Widely used by commercial diving contractors

Divex G21-2 monitors

Posted by Grahamne Muir

The Divex G21-2 monitors oxygen levels ranging from 0.00 to 19.99% and 00.0 to 100%.

Typical applications include monitoring the gas supply or O2 level in a recompression chamber and general testing of O2 levels in cylinder gases.

  • Ideal for portable chamber use
  • Range 00.0 to 100%
  • Quick response time
  • Large clear LCD display
  • Low battery warning
  • Hi–low alarm

Divex G11-4 Hyperbaric O2

Posted by Grahamne Muir

The Divex G11-4 Hyperbaric Analyser measures partial pressure of oxygen and is designed for internal diving chamber, bell or other hyperbaric use.

The G11-4 has been tested at depths of up to 600 metres but can easily be used at surface pressures.

  • Designed specifically for hyperbaric use
  • Compact and lightweight
  • Range 0-2 Bar PPO2
  • Accurate, fast response internal fuel cell

Analox SDA temperature and humidity

Posted by Grahamne Muir

The SDA temperature and humidity is designed to monitor air temperature within chambers or diving bells.  It is also available with a water temperature transmitter for monitoring hot water to dive suits or for monitoring sea water temperature outside the diving bell.

The SDA temperature and humidity is available in either panel or rack mount format.

Specification

  • Sensor range: 0 to 100oC / -32 to 212oF (temperature) 0 to 100% RH (humidity)
  • Sensor accuracy: ±3oC (temperature) ±10% RH (humidity)
  • Display resolution: 0.1oC (temperature) 1% RH (humidity)
  • IP rating: analyser IP22,sensor IP65

Analox SDA CO2

Posted by Grahamne Muir

  • 14th September 2015
  • Analox
  • no comments

The new SDA series will offer users the latest digital technology in commercial diving gas detection.

The SDA series is a range of fixed external chamber analysers used to control levels of gases such as oxygen and carbon dioxide.  The new products are designed to be more easily configured to meet the users’ needs, with interchangeable sensors and software.

The SDA series has been developed following discussion and feedback from the commercial diving industry.

The SDA CO2 is available in either panel or rack mount format.

Specification

  • Sensor range: 0 to 5000ppm, 0 to 10,000ppm
  • Sensor accuracy: 0 to 5000ppm, ±25ppm CO2 ±1% of reading
  • Response time: T90 in <30secs
  • Warm up time: 40 seconds
  • Display resolution: 1ppm
  • IP rating: IP22

Analox O2EII

Posted by Grahamne Muir

As a nitrox diver, confidence in your mix is vital to an enjoyable, trouble free dive. You should never dive nitrox without being absolutely sure what your mix is, therefore the use of a nitrox checker (also know as an oxygen analyser) is essential.

The Analox O2EII ® nitrox checker is a tried and tested oxygen analyser protecting divers since 2002. The O2EII ® is really easy to use with a simple 5 step process allowing you to plan for a safe nitrox dive.

Easy to use – ergonomically designed comfort grip handle with auto switch off after 10 minutes. Easy to read – once you have taken your nitrox reading you can now freeze the display.

  • Highly accurate, the O2EII ® is supplied with the unique Analox temperature compensation chart.
  • The O2EII ® is ergonomically designed ensuring a comfortable grip for all.

Analox Hyper-gas Hydrocarbon Monitor MkII

Posted by Grahamne Muir

The Analox Hyper-Gas MkII TM is designed to detect and warn divers of, potentially fatal, anaesthetic levels of hydrocarbons in the diving bell. Where divers are working on dirty sites, there is a likelihood for contamination of the bell atmosphere from vapourisation of contaminants carried on dive suits and umbilical lines, even when divers are wearing additional safety dive suits. Vapourisation of hydrocarbons into the bell can occur within minutes and can rapidly rise to anaesthetic concentrations.

Real Dangers to Divers: in the presence of anaesthetic levels of volatiles divers can suffer the effects within a few breaths. Even before unconsciousness, the ability to react normally becomes impaired. The effects caused by sub anaesthetic levels can be compared with the pattern of behaviour caused by alcohol consumption. The following effects have been detailed by Fang et al. (1996):

  • 33% of the anaesthetic level of toluene leads to hyperactivity.
  • 13% of the anaesthetic level of xylene causes tremors which could impair purposeful actions.
  • 44% of the anaesthetic level of benzene causes uncontrolled jerking of limbs.
  • 52% of the anaesthetic level of cyclo-hexane causes convulsions.

How it Works: the Hyper-Gas MkII TM system comprises 2 units, both are equipped with audible and visual indicators to alert divers and surface engineers to changing conditions within the diving bell.

The bell monitor is mounted in the gas sample line, once installed the monitor will rapidly detect the presence of vapourised hydrocarbons, and will activate audible and visual alarms before the anaesthetic threshold is reached. Technology: the Analox Hyper-Gas MkII TM system has been designed to operate to depths up to 60 Bar A. It uses a unique hyperbaric hydrocarbon sensor based on highly respected Analox infra red technology. The sensor is sensitive to a range of hydrocarbons, and is able to detect all those commonly given off by the vaporisation of crude oil or condensate.

Automatic correction of pressure and temperature effects ensures the analyser will offer optimum performance in this difficult environment.

Gas Alarm: the Gas Alarm level is preset to 10% of the anaesthetic dose of vapourised hydrocarbons that could be present in the diving bell. The sensor gives an additive response to the range of hydrocarbons normally present, not one individual compound. For diving in areas where contamination is known to be from 1 or 2 compounds, the alarm set point can be altered.

Response Time: the sensor needs to be mounted within the diving bell, rather than relying on an umbilical fed analyser because anaesthesia, or the effects of sub anaesthetic levels can occur within a few breaths, i.e. a few seconds. By analysing for hydrocarbons at the surface it is likely that the effects would occur before an alarm is raised. A rapid response is crucial.


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In 2015 James Fisher Defence and Divex merged to form JFD.

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