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Safety Multi Channel Gas Detection
Recom Industriale (Italy) produces fixed gas detection system. The Explorer Multi Channel control unit comes in rack format and it has DNV and RINA approvals for marine applications. This control unit has 4 channels and it is modular. In a standard 19” rack it is possible to put 4 control units for monitoring 16 different sensors. The Explorer Multi Channel is also availble as a wall mounting, with 4 channels for 4 different sensors. The Gas Point is a new single gas stand alone detector, ATEX approved, with a large graphic display. Non intrusive calibration and maintenance is performed using a magnetic wand to access the software through the enclosure window – no need to open the enclosure (and obtain special area permits) to perform routine calibrations. The Explorer BOX 2 channels is a new wall mounting
control unit, for one or two sensors, with a large touch screen display showing readings and all parameters during calibration and programming mode. Sensors / transmitters are ATEX approved and they are available for a wide range of gases: combustible, oxygen or toxic gases. Sensors are connected to the control units by a 4-20 mA signal. Sensors are catalytics, electrochemicals, or infrared. The infrared ones are developed with a new filter technology, for a better resolution and with less interference. Recom Industriale has also transmitters with an LCD display showing reading and current (mA) transmitted and 3 buttons on the PCB board, , for single man calibration without any other devices. Recom Industriale is looking for distributors in uncovered European countries.
Perfect Interaction for Maximum Safety
The new G400-MP2 pump from GfG (Germany) communicates with the gas detectors G450/G460. This interaction allows fault indication via the detector display. Low battery, blocked sampling line or interrupted power fault modes are shown on the display and activate different visual and audible warnings.
Gas samples can be taken from distances of up to 100 m with considerable low-pressure performance; the safe solution for confined space measurement.
The G400-MP2 is the only attachable pump available which may remain fixed to the detector. When the pump is turned on, the diffusion inlets are covered and the measurement results are not affected by air flows.
An additional filter system in the sampling line protects pump and sensors from dust and moisture. When the pump is turned off, the gas detector can be operated as usual. The diffusion inlets now allow all gases to enter the sensor chamber.
The G400-MP2 is operated on its own power supply, independently from the gas detector; i.e. the pump does not affect the operational time of the G450/G460. The pump power supply allows at least 10 hours of continuous operation.
Reader Reply Card No
103 Tackle Offshore Hydrocarbon Dangers with Wireless Safety Net
With the release of Health and Safety Executive (HSE) statistics showing an increase in major injuries and unplanned hydrocarbon releases offshore in 2009/10, there has never been a better time to establish a wireless safety net to ensure reliable gas detection. By operating as an all-round safety network, the new X-zone 5000 from Draeger (UK) uses wireless technology to automatically connect multiple monitors for reliable, continuous detection of hydrocarbons, hydrogen sulphide and oxygen depletion.
Ensuring that personnel have the confidence to work worry free, even in the most dangerous environments, these transportable units are quick to deploy and easy to set up. Issuing a loud alarm as soon as a gas is detected, they also change colour to clearly identify the alarm status. The areas where gas has been detected are indicated by red visual alarms. Safe atmospheres and, therefore, a safe escape route are confirmed by green visual alarms.
Warning the offshore oil and gas industry about its safety record, the HSE reported that out of 443 dangerous occurrences, 42% of those related to hydrocarbon releases. It also showed a marked rise in the combined number of major and significant hydrocarbon releases, regarded as potential precursors to a major incident.
By simply placing Draeger X-zone 5000 units around potentially dangerous areas or where maintenance or shutdown work is being carried out, these robust, waterproof units will ensure increased levels of safety in any offshore application. As soon as one of the units detects a gas it immediately transmits an alarm to each of the others, warning everyone in the area that a danger exists. At the same time, a loud evacuation alarm is emitted and a patented 360º alarm amplifier ensures that it is heard with the same intensity in all directions.
Up to 25 Draeger X-zones can be used at any one time, forming a complete wireless network to suit the specific application, including those where an explosion hazard might exist. In addition to this Zone 0 ATEX performance, they also offer a lower cost of ownership by combining flexible monitoring capabilities with a long sensor life and enhanced battery performance.
Allowing gas ingress from every side, it can be fitted with up to four sensors to detect as many as five gases at once. The Drager X-zone 5000 provides simultaneous measurement of gases and vapours such as hydrocarbons, hydrogen and other explosive, combustible or toxic gases.
Unlike portable instruments which usually leave the scene with the wearer, the Draeger X-zone 5000 can be left in situ for up to 120hours continuous operation, issuing an alarm as long as the danger exists.
Reader Reply Card No
104
Reader Reply Card No Reader Reply Card No 105
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Annual Buyers’ Guide 2011
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