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Hydrogen selenide – H2Se

This page gathers information on hydrogen selenide or selenium hydride (H2Se): appropriate detection means – H2Se gas detector – and proper respiratory protective equipment (gas mask or powered air purifying respirator with type B gas filter).

h2Se gas detector and respiratory protection against hydrogen selenium or selenium hydride for better safety

Hydrogen selenide properties

Hydrogen selenide (H2Se) – also known as selenium hydride – is commonly used in selenium compounds synthesis. It can also be found in many industrial applications like electronics (production of components), the steel industry (alloy preparation), glass or paint industries (pigmentation), rubber production (vulcanization) or in copper refining.

CASVME (8 heures)VLE (15 minutes)LIEIPDensité / AirFiltre / ARI
7783-07-50.02 ppm0.05 ppm9.882.8B

Hydrogen selenide effects on health

Hydrogen selenide (H2Se) is an inorganic compound that can irritate the eyes, digestive and breathing systems. This is the most toxic selenium compound with a TWA (time-weighted average) value set at 0.05 ppm. Even at very low concentrations, this compound features a very irritating horseradish-like smell that evolves into a rotten egg smell at higher concentrations.

H2Se gas detector - Hydrogen selenium

Even if H2Se is detectable through its very irritating smell, only a hydrogen selenide gas detector can accurately measure vapor concentrations of this extremely toxic compound. It is avised to use portable or fixed hydrogen selenide detection devices that monitor concentrations in ppm or ppb (SPM FLEX).

The SPM Flex is an optical calibration-free gas optical analysis system. This single point tape-based toxic gas detector can accurately (ppb measurement) and swiftly monitor the presence of a hazardous gas.

  • Honeywell SPM Flex gas monitor with optical toxic gas analysis

Toxic gas optical analysis – SPM FLEX gas detector

The SPM Flex is an optical calibration-free gas optical analysis system. This single point tape-based toxic gas detector can accurately (ppb measurement) and swiftly monitor the presence of a hazardous gas.

Honeywell SPM Flex gas monitor with optical toxic gas analysis
  • Chemcassette® technology – immune to interferences, more than 50 available gases.
  • Calibration-free, minimal maintenance .
  • Audiovisual alarm (2 thresholds).
  • User-friendly interface and gas concentration digital display.
  • UL 61010-1 / CSA-C22.2 / IEC 61010-1 certified
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The PortaSens III is an ATI gas detector for leaks that can detect 38 different gas over different measurement ranges with its 62 smart sensors. In particular, it can detect rare gas such as bromine, fluorine, iodine, peracetic acid, dimethylamine, or even hydrogen bromide.

  • Leak gas detector PortaSens III ATI Analytical Technology

Rare gases leak detector – PORTASENS III

The PortaSens III is an ATI gas detector for leaks that can detect 38 different gas over different measurement ranges with its 62 smart sensors. In particular, it can detect rare gas such as bromine, fluorine, iodine, peracetic acid, dimethylamine, or even hydrogen bromide.

Leak gas detector PortaSens III ATI Analytical Technology
  • Detection of Alcohol, AsH3, B2H6, Br2, C2H2, CH3COOH, CH4, Cl2, ClO2, CO, CO2, COCl2, DMA, ETO, F2, Acid gas, GeH4, H2, H2O2, H2S, H2Se, HBr, HC, HCl , HCN, HCOH, HF, I2, NH3, NO, NO2, Nox, O2, O3, PAA, PH3, SiH4, SO2
  • 62 smart sensors pre-calibrated for 38 gases
  • Very fast sensor change (less than 1 minute)
  • Color touch screen for better operation of the device
  • Rare gas detection
Additional information

Successor to the PortaSens II, the PortaSens III ATI gas leak detector has evolved and has a more modern user interface. Touch screen, USB port, new PC software, everything has been designed for a smoother user experience.

The ATI Portasens III detector has a range of 62 ATI smart sensors that can be changed with just a few movements as needed. The sensors are pre-calibrated and have a memory including characteristics relating to the detected gas.

Indispensable in the search for leaks, the PortaSens III is one of the gas leak detectors with the largest range of delectable gases on the market. The detected gas are acetylene (C2H2), acetic acid (AcOH), cyanidric acid (HCN), peracetic acid (PAA), alcohol, ammonia (NH3), arsine ( AsH3), bromine (Br2), hydrogen bromide (HBr), chlorine (Cl2), hydrogen chloride (HCl), diborane (B2H6), dimethylamine (DMA), nitrogen dioxide (NO2), carbon dioxide (CO2), chlorine dioxide (ClO2), sulfur dioxide (SO2), fluorine (F2), hydrogen fluoride (HF), formaldehyde (CH2O), sour gas, hydrogen (H2), selenized hydrogen (H2Ge), hydrogen sulfide (H2S), hydrocarbons, iodine (I2), methane (CH4), nitric oxide (NO) , carbon monoxide (CO), nitrogen oxides (NOx), ethylene oxide (ETO), oxygen (O2), ozone (O3), hydrogen peroxide (H2O2) , phosgene (COCl2), phosphine (PH3), germanium tetrahydride (GeH4) and silane (SiH4).

The PortaSens III detector can find applications in the pharmaceutical industry and laboratories, the chemical industry, and any other sector that involves the transport or storage of gas in cylinders or the control of gas pipelines.

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4-20 mA gas detector / transmitter with integrated sampling pump, pre-calibrated cartridge, alarm relays and TCP/IP communication.

Detection of AsH3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, Si2H6, SiCl4, SiHCl3, SO2, TEOS, TMB, TMP, WF6

  • Fixed gas detector Midas

Midas gas detector with sampling pump

4-20 mA gas detector / transmitter with integrated sampling pump, pre-calibrated cartridge, alarm relays and TCP/IP communication.

Detection of AsH3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, Si2H6, SiCl4, SiHCl3, SO2, TEOS, TMB, TMP, WF6

Fixed gas detector Midas
  • Detection with pyrolysis module of C4F6, C5H8, CH3F, DCE 1.2, NF3, SF6
  • Integrated aspirated pump: 500 mL/min flow
  • 3 configurable NO or NF alarm relays
  • High accuracy measurement from ppb to ppm
  • Ethernet (PoE) TCP/IP and Modbus communication
Additional information

Operating with a reliable gas detection technology, the Midas fixed gas detector has been especially designed to monitor the presence of flammable and toxic gases in ambient air. This way, this detector can monitor following gases: arsine (AsH3), diborane (B2H6), boron trichloride (BCl3), boron trifluoride (BF3), bromine (Br2), ethylene oxide (C2H4O), chlorine (Cl2), chlorine trifluoride (ClF3), chlorine dioxide (ClO2), carbon monoxide (CO), chlorine dioxide (COCl2), fluorine (F2), germane (GeH4), hydrogen (H2), hydrogen sulfide (H2S), hydrogen selenide (H2Se), hydrogen bromide (HBr), hydrogen chloride (HCl), hydrogen cyanide (HCN), hydrogen fluoride (HF), hexamethyldisilazan (HMDS), hydrazine (N2H4), ammonia (NH3), nitric oxyde (NO), nitrogen dioxide (NO2), oxygen (O2), ozone (O3), phosphine (PH3), phosphoryl chloride (POCl3), disilane (Si2H6), silicon tetrachloride (SiCl4), trichlorosilane (SiHCl3), sulfur dioxide (SO2), tetra ethyl ortho silicate (TEOS), trimethylborane (TMB), TMP, tungsten hexafluoride (WF6).

 

Moreover, with its optional pyrolyzer module, Midas is able to detect following gases: hexafluorobutadiene (C4F6), octofluorocyclopentene (C5H8), methyl fluoride (CH3F), DCE 1.2, nitrogen trifluoride (NF3), sulfur hexafluoride (SF6).

 

Compact and featuring a zinc-plated steel base, the Midas is easy to install. Small, compact and lightweight, this detector suits perfectly in applications like light industries, laboratories, semiconductor transformation or even the wastewater treatment. Its pump system has a 2 year lifetime and can draw samples up to 30 meters.

 

Its alphanumeric backlit LCD with intuitive icon menu can display the concentrations and its datalogger enables operators to download vents and sensor history.

 

Its smart sensor with on board calibration certificate are ready for use and can be easily and quickly replaced.

 

Midas fixed gas detector features several outputs: visual, 3 built in relays for alarm 1, 2 and fault, analog and digital communication and is powered through Ethernet connection (PoE). It can be wired with 4-20 mA 2 to 4 wires or digitally with CAT5 cabling or equivalent with RJ45 connector.

 

Lastly, Midas is CE marked for a total immunity to electromagnetic interferences.

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The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

  • Fixed gas detector Satellite XT

Toxic corrosive & combustible gas detector – satellite xt

The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

Fixed gas detector Satellite XT
  • Pyrolysis module detection: C4F6, C5F8, CH3F, DCE 1.2, NF3, SF6
  • Pre-calibrated interchangeable sensors, easy maintenance
  • 4-20mA linear output
  • 3 optional single-pole relays
  • Optional remote measure (up to 3 meters)
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Hydrogen sulfide respiratory protection - H2Se

As hydrogen selenide is very irritant, it is recommended to wear a full face mask for short interventions or a much more comfortable PAPR equipped with a type B filter. For higher concentration levels exceeding 60 times the OEL, a self-contained breathing apparatus (SCBA) is mandatory.

Half-mask respirator X-plore 3300 with innovative mounting system for optimal operating comfort. This Gas mask is fully compatible with the X-plore bayonet filter cartridge range.

  • half mask respirator , dual cartridge gas mask Dräger X-plore 3300

Half-mask respirator X-plore 3300

Half-mask respirator X-plore 3300 with innovative mounting system for optimal operating comfort. This Gas mask is fully compatible with the X-plore bayonet filter cartridge range.

half mask respirator , dual cartridge gas mask Dräger X-plore 3300
  • Flexible nose area for optimal sealing
  • Reduced and cost-effective maintenance
  • Large field of view
  • Innovative X mounting system
  • Large range of compatible filters
Additional information

Available in three different sizes – S (small), M (medium) and L (large) – the X-plore 3300 half mask respirator has been designed to provide maximum comfort to its user.

Made of soft material, this dual cartridge respirator features a specific design especially well-suited for use in addition to head protective units and safety goggles. Thanks to a soft and flexible nose area and the lateral location of air purifying filters, the X-plore 3300 gas mask provides its user with large field of view and optimal adjustment. Because of a specific X design of the harness, this dual cartridge respirator is very easy to don and to remove and fits perfectly with the user’s face. Moreover, this harness allows better weight balance and enhances comfort of use without pressure.

Particularly cost-effective, the X-plore 3300 half mask also features reduced maintenance. The right choice for operators who need comfortable respiratory protective equipment at lower prices.

Finally, the X-plore 3300 respiratory protective half mask respirator is made for use with the X-plore series bayonet filters. This filtering cartridge range combines air purifying power to modern design for an optimal comfort of use. Thanks to their rugged plastic design, these filters are highly resistant.

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The X-plore 5500 is a full facepiece respirator mask especially designed to provide its users breathing and visual protection against gases and particles.

  • X-plore 5500 gas mask by Drager: dual filter respirator

Full facepiece respirator X-plore 5500

The X-plore 5500 is a full facepiece respirator mask especially designed to provide its users breathing and visual protection against gases and particles.

X-plore 5500 gas mask by Drager: dual filter respirator
  • Airtight and secured design
  • Comfortable and easy to use
  • 180° large field of view
  • Efficient ventilation system
  • Compatible with the X-plore filters range
Additional information

Especially designed to provide an optimal protection in presence of gas or particles, the X-plore 5500 full facepiece respirator is widely used in many industrial applications (particularly in the chemical and steel industries) but also shipyard industry…

Equipped with a visor made of polycarbonate or triplex glass, the X-plore 5500 mask provides its wearer a large field of vision without distortion. The polycarbonate panoramic visor features a frame made of plastics and is highly resistant to shocks while the glass visor – with stainless steel frame – is treated against scratches and chemical products.

The mask itself features a specific dual seal with triple sealing edges to offer optimal tightness and protection. The body of the dual filter gas mask is made of ultra-resistant EPDM elastomer that fits any morphology and face shape. This way, the mask remains comfortable to wear. Moreover, thanks to its unique standard size, this full facepiece respirator is easy to transport and to store.

As it is a respiratory protective full face mask, steam can appear on the visor. In order to resolve this matter, the le X-plore 5500 is equipped with a special integrated ventilation system. This system has been engineered to protect the visor against any risk of condensation in order to ensure clear view in any situation.

Thanks to its comfortable 5-point flanged harness, the X-plore 550 can be worn and removed easily and quickly. Moreover, its connecting straps have been especially designed to avoid pressure on the head or the face of the user.

The X-plore 5500 dual filter gas mask features two connectors located on both sides to connect two air filtering cartridges. Furthermore, as the filters are positioned laterally and backwards, the field of vision of the user remains perfectly unobstructed. This breathing protection equipment is fully compatible with the X-plore series bayonet filters. These filters are especially designed to provide optimal protection against harmful gases, vapors and particles. Thanks to their bayonet connection system, they can be easily and quickly installed in order to operate as soon as possible.

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The X-plore 6300 is a respiratory protective full face respirator. Cost effective, this is an ideal solution for industrial applications, providing users comfort and air purifying performance.

  • The X-plore 6300 full face respirator, a single filter gas mask by Dräger

Full face respirator X-plore 6300

The X-plore 6300 is a respiratory protective full face respirator. Cost effective, this is an ideal solution for industrial applications, providing users comfort and air purifying performance.

The X-plore 6300 full face respirator, a single filter gas mask by Dräger
  • Universal size
  • Large field of view
  • Hypoalergenic material
  • Integrated ventilation system
  • Compatible with X-plore Rd 40 filter series
Additional information

The X-plore 6300 single filter gas mask is a respiratory protective device that has been especially designed for use in industrial environments.

Made of ultra-resistant and hypoalergenic EPDM elastomer, this full face respirator features a dual airtight seal for maximal reliability, comfort and safety. Cost-effective, this mask fits perfectly in any morphology and any face shape witout annoying its wearer.

The large facepiece visor is made of PMMA plexiglass (polymethyl methacrylate) and features a plastic frame to offer a large 180° field of view without distorsion and an outstanding panoramic view. This visor is also especially treated to be scratch resistant. Moreover, the X-plore 6300 mask is equipped with an integrated ventilation system in order to avoid presence of steam and condensation inside the full facepiece.

Thanks to its universal size and its 5-point specific harness, this respirator is very easy to don and to remove. The special design of its donning straps avoids any pressure on the head or the face of the user. This way, the X-plore 6300 can be worn during long periods of time without annoying the user. taille. Furthermore, thanks to this standard size and its low weight – approximately 500 grams – the X-plore 6300 single cartridge respirator is easier to carry and to store.

Lastly, this respiratory protective full face respirator is fully compatible with X-plore Rd 40 series filters. These filters feature universal 40 mm connector threads in compliance with the EN 148-1 European standard. These filters are especially designed to purify air from any contaminant that could be harmful for the user. This filter range provides reliable and efficient protection in any situation against toxic substances – gas or particles. Thus, the X-plore 6300 single filter gas mask can be equipped with a particle filter, a gas filter or a combined filter to respond to any demanding application.

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The SARI gas mask provides operating comfort and efficient protection against toxic gases and particles (solid, radioactive, smokes), bacteria and virus.

  • Sari Full face mask by Scott Safety

Full face gas mask – SARI

The SARI gas mask provides operating comfort and efficient protection against toxic gases and particles (solid, radioactive, smokes), bacteria and virus.

Sari Full face mask by Scott Safety
  • Compatible with PRO2000 filter range (gas, particle and combined)
  • Central phonic membrane for easy communication
  • Compatible with powered air equipment
  • Internal mask with non-return and anti-fog valves, reduces CO2
  • Fully adjustable 5 points harness for improved operating comfort
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The Duraflow powered air respirator is a versatile solution for hazardous workspaces. It provides a quality respiratory protection for a fair price.

  • The powered air purifying respirator Duraflow PAPR

Powered air purifying respirator Duraflow

The Duraflow powered air respirator is a versatile solution for hazardous workspaces. It provides a quality respiratory protection for a fair price.

The powered air purifying respirator Duraflow PAPR
  • Compatibility with RD DIN 40 universal filter cartridges
  • Rechargeable battery – 2 available version: 8 or 16 hours runtime
  • Automatic airflow regulation (160l/min)
  • Visual alarms, notifications and display
  • CEN1294 & CE0086 certified, IP55/IP67
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The Dräger PARAT 7500 combined escape hood (for industry & fire) is equipped with an ABEK CO P3 filter to filter toxic gases, vapors and particles from an industrial accident or generated in a fire.

  • Dräger PARAT 7500 escape hood for industry & fire

PARAT 7500 escape hood (industry & fire combined)

The Dräger PARAT 7500 combined escape hood (for industry & fire) is equipped with an ABEK CO P3 filter to filter toxic gases, vapors and particles from an industrial accident or generated in a fire.

Dräger PARAT 7500 escape hood for industry & fire
  • Combined protection against industrial gas and fire hazards
  • Minimum 15 minutes autonomy
  • ABEK CO P3 high performance filter
  • 16 years lifespan
  • Optimized comfort and visibility
Additional information

The Dräger PARAT 7500 escape hood offers a minimum of 15 minutes autonomy in emergency situations with toxic gases, vapors and particles. Easy to put on and offering reliable protection, optimal ergonomics and a robust design, this escape hood is perfectly suited in industrial and fire-risk environments.

The high performance ABEK CO P3 hood filter is tested in compliance with EN 14387: 2004 and DIN 58647-7 standards and provides a minimum of 15 minutes autonomy against cyclohexane, chlorine dioxide, hydrogen sulfide, hydrogen cyanide, sulfur dioxide, ammonia, carbon monoxide, acrolein, hydrogen chloride, as well as 5 minutes autonomy against hydrogen sulfide.

The PARAT 7500 is available in a soft bag or hard case and has a 16 years lifespan (with filter replacement after 8 years).

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