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Hazardous Areas

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Hazardous Areas are spaces in which an explosive gas atmosphere is or may be expected to be present, in quantities such as to require special precautions for the construction installation and use of equipment construction, installation and use of equipment. Hazardous areas are classified into 3 zones based upon the frequency of the occurrence and duration of an explosive gas atmosphere, as follows:

  • Zone 0 – Area in which an explosive gas atmosphere is present continuously or for long periods or frequently. (We can not supply equipment for zone 0)
  • Zone 1 – Area in which an explosive gas atmosphere is in which an explosive gas atmosphere is likely to occur in normal likely to occur in normal operation occasionally.
  • Zone 2 – Area in which an explosive gas atmosphere is not likely to occur in normal operation but, if it does occur, will persist for a short period for a short period only.
  • Non-hazardous area (safe area) – A non-hazardous area is an area in which an explosive atmosphere is not expected to be present.

As per IEC60079-10-1 and AS/NZS 60079.29.2:2016

Gas Detection Australia has worked very hard to bring you the Gastron(LOGO) and Senko(LOGO) ranges of portables and fixed option IEC Ex(LOGO) approved gas detectors and sensors for use in Zone 1 and Zone 2 areas within Australia for both Toxic and Flammable gases.

Products in category: Hazardous Areas

Showing all 16 results

  • flammable gas detector 300Ex

    GTD-3000Ex Intelligent Flammable Gas Detector o-100% LEL

    Meet our GTD-3000Ex Intelligent Flammable Gas Detector

    Our flammable gas detector GTD-3000Ex has been developed to detect flammable gas leaks from spaces that produce or use flammable gases to prevent accidents.

    The GTD-3000Ex flammable gas detector is installed in areas where it is a risk for flammable gas exposure and is continuously monitored. It displays measurements on built-in displays (LCD) of the detector and provides an Analog 4~20 mA standard output signal. Also, for Analog 4~20 mA standard output, output signal transmission length between detector and receiver can be connected up to 2,500 m. The GTD-3000Ex flammable gas detector must be used at a height below 1,000 m above sea level.

    This self-contained gas detector does not need a controller, and it is usually installed on industrial sites, factories, gas storage, and manufacturers.

  • toxic gas detector iecex

    GTD-2000Tx Oxygen & Toxic Gas Detector IECEx

    Meet our GTD-2000Tx Oxygen & Toxic Gas Detector IECEx The oxygen & toxic gas detector GTD-2000Tx also known as a toxic gas alarm, was developed to prevent accidents caused by toxic gases in hazardous spaces, such as plants, toxic gas storage, and factories. When this toxic gas detector is installed will continuously detect the gas…

  • toxic gas detector iecex

    GTD-2000Tx VOC IECEx Gas Detector

    Continuous detection of VOC gas in explosion hazardous area with flameproof structure Self-diagnosis function with built-in Microprocessor Excellent selectivity by adapting detection principle only for toxic gases & oxygen Superior performance for detecting toxic gases below TLV Multi-functions and high quality with low cost of ownership Built-in backlight LCD or OLED display Easy configuration of…

  • Flammable Gas Detector

    GTD-2000Ex IECEx Flammable Gas Detector 0-100% LEL

    Meet our Flammable Gas Detector GTD-2000Ex IECEx

    Our Flammable Gas Detector is continuously detecting flammable gases in explosion hazardous areas with flameproof structures. This Flammable gas detector is made of aluminum alloy material in a structure of complete pressure-resistant explosion-proof type (Ex d IIC T6), with the gas sensor module being composed of stainless-steel material. It displays the data of the leakage situation, embedding the LCD and OLED detection unit.  The inside structure is composed of a display unit displaying measured values, a terminal unit for outputting measured values (DC4- 20mA) to the outside, and one PCB.

    Usually, this flammable gas detector is installed in hazardous areas where flammable gases are likely to be exposed.

     

  • GTD-5100F Explosion Proof Sampling Gas Detector

    Continuous detection of VOC gas in explosion hazardous area with flame proof structure Self diagnosis function with built-in Microprocessor Easy replacement with a cartridge type sensor Digital flow sensor to maintain regular flow rate Fast response of gas leakage with a high efficient pump inside Low concentration VOC gas detection by PID sensor Stable quality…

  • infrared sensor IECEx certificate

    GIR-3000 Gas Detector – Infrared Sensor with IECEx certificate

    Meet our GIR-3000 Gas Detector, Infrared Sensor with IECEx certificate

    Our GIR-3000 infrared sensor is installed in areas with a risk of gas leakage to display measured values with LCD and OLED installed in the detector by continuous detection of gas leakage, providing DC 4~20mA standard output, Isolation RS-485 communication signal, HART communication, and Relay contact signal of gas alarm. Also, DC 4~20mA standard output can connect up to the maximum of 500 m (upon using CVVS or CVVSB 1.5sq↑ Shield Cable) in transmission distance of output signals of the gas detector and receiving unit while RS-485 communication signal can be transmitted up to 1,000 m (upon using RS-485 exclusive line).

    This infrared sensor has been developed to prevent accidents by detecting various leaked gases generated in industry fields such as plants producing or using combustible gas, carbon monoxide, carbon dioxide, gas storage place, manufacturing processes, etc.

    This standalone gas detector is suitable in every hazardous area (IECEx certificate).

  • GTD-3000Tx Intelligent Oxygen & Toxic Gas Detector

    Continuous detection of toxic gases and oxygen in explosion hazardous area with flame proof structure Self diagnosis function with built-in Microprocessor Excellent selectivity by adapting detection principle only for toxic gases & oxygen Stable quality and proved detection principle for service life | Built-in back light LCD or OLED display Auto calibration and program setting…

  • Multi portable gas detector

    Portable Gas Detector MGT

    Meet our Portable Gas Detector MGT

    Our Multi-gas detector MGT can detect four different gases (O2, CO, H2S, combustible gas) with an LCD screen, and bright and loud alarms. It is designed to withstand the harshest industrial working conditions. It delivers industry-leading alarm time, changeable alarm levels, and event logging as well as user-friendly bump test and calibration solutions. This multi portable gas detector is available with a catalytic combustible gas sensor or a long-life infrared sensor.

  • Senko iGas CO₂ Portable Detector IR 0-5% vol.

    The iGAS CO₂ is a Single Gas personal monitor for carbon dioxide detection. iGAS CO₂ uses a low-power NDIR (non-dispersive infrared) sensor to provide fast and accurate detection in a compact and lightweight package. iGAS is designed to withstand the harshest industrial working conditions, with an IP66/67 protection rating, and delivers industry-leading operating time with…

  • SGT-P Portable Gas Detector Oxygen (O₂) 0-30% vol. IECEx Approved

    The SGT-P portable is a single gas detector designed to detect hydrogen sulphide (H2S), carbon monoxide CO), Ammonia (NH3), Hydrogen (H2), Sulphur dioxide (SO2), or oxygen (O2). The SGT-P has a replaceable gas sensor and battery, giving an unlimited lifetime of operation. When activated, SGT-P continuously monitors ambient air for the presence of a specific…

  • SGT-P Portable Gas Detector Hydrogen (H₂) 0-1000 ppm IECEx Approved

    The SGT-P portable is a single gas detector designed to detect hydrogen sulphide (H2S), carbon monoxide CO), Ammonia (NH3), Hydrogen (H2), Sulphur dioxide (SO2), or oxygen (O2). The SGT-P has a replaceable gas sensor and battery, giving an unlimited lifetime of operation. When activated, SGT-P continuously monitors ambient air for the presence of a specific…

  • SGT-P Portable Gas Detector Ammonia (NH₃) 0-100 ppm IECEx Approved

    The SGT-P portable is a single gas detector designed to detect hydrogen sulphide (H2S), carbon monoxide CO), Ammonia (NH3), Hydrogen (H2), Sulphur dioxide (SO2), or oxygen (O2). The SGT-P has a replaceable gas sensor and battery, giving an unlimited lifetime of operation. When activated, SGT-P continuously monitors ambient air for the presence of a specific…

  • GTD-5000F(Txp) Explosion Proof Sampling Gas Detector with Pyrolyzer

    Continuous detection of toxic gases and oxygen in explosion hazardous area with flameproof structure. Self-diagnosis function with built-in Microprocessor. Easy replacement with a cartridge type sensor. Digital flow sensor to maintain regular flow rate Fast response of gas leakage with a high efficient pump inside. Stable quality and proved detection principle for service life Excellent…

  • GTD-5000F Explosion Proof Sampling Gas Detector

    Continuous detection of toxic gases and oxygen in explosion hazardous area with flameproof structure. Self-diagnosis function with built-in Microprocessor. Easy replacement with a cartridge type sensor. Digital flow sensor to maintain regular flow rate Fast response of gas leakage with a high efficient pump inside. Stable quality and proved detection principle for service life Excellent…

  • 2 Channel Gas Detection Controller with LCD Display

    This complete 2 channel controller packs a punch with the ability to give you many options within a single package. This unit boasts 3 analogue outputs while having 3 alarm levels for each input channel, a fault relay is also ready to inform you of a system error. This controller allows you to have 2…

  • 8 Channel Gas Detection Controller with LCD Touch Screen

    GDA’s premium controller has many different applications due to its versatility. It boasts a full colour touch screen which allows you to view all of the 8 inputs individually. This unit has 8 configurable relays allowing you to control alarms along with Shut-off valves, fans solenoids where required (you may need extra equipment to enable…

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