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Germane – GeH4

Find here the essential information on germane (GeH4) – or germanium tetrahydride: characteristics, effects on health, detection devices & systems (germane gas detector) gas mask or powered air respirator with B-P3 combined filter).

GeH4 gas detector and germane respiratory protection

Germane properties

Germanium tetrahydride (GeH4) – most commonly known as germane – is the most used form of germanium in industries. Many industrial processes have been created to produce this gas. It is mainly used to produce high-performance integrated circuits in the semiconductor industry, photovoltaic sensor technologies and space applications.

CASTWA (8 hours)STEL (15 minutes)LELIPDensity / AirFilter / SCBA
7782-65-20.2 ppm––11.34 eV2.65B-P3

Germane effects on health

At normal temperature and pressure, germane (GeH4) is colorless, heavier than air and features a pungent smell. This extremely flammable gas (H220) may explode if heated (H280). It is very toxic and fatal if inhaled (H330) and irritant to the eyes, skin and breathing tracts as well. It even can affect blood and damage blood cells.

GeH4 gas detector (Germane or Germanium tetrahydride)

Despite its pungent smell, only a germane gas detector can accurately measure concentrations of this gas. Even if it is a combustible gas and can explode, an explosivity (LEL) monitoring would be pointless as this gas is highly toxic. Thus for optimal safety it is recommended to use ppm or ppb germane gas detection devices or full systems.

Colorimetric tubes

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

  • Gas detector tubes Colorimetric tube

Colorimetric tubes

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

Gas detector tubes Colorimetric tube
  • Accurate: the sampling pump features a mechanical accuracy piston which creates a vacuum then enables direct reading on the colored tube (colorimetric tube)
  • Swift: one or two pump strokes are enough to draw sample and the value can be directly read on the tube
  • User-friendly: no knowledge, no specific process and no technical competence are required
Icon of Gas Detection Tubes System - Specification sheet Gas Detection Tubes System - Specification sheet (2.4 MiB)

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Rare gases leak detector – PORTASENS II

Portasens II is a rare gases leak detector with interchangeable sensors. This calibration-free detector is equipped with an internal sampling pump to accurately monitor around thirty gases.

  • Portable gas detector PortasenseII

Rare gases leak detector – PORTASENS II

Portasens II is a rare gases leak detector with interchangeable sensors. This calibration-free detector is equipped with an internal sampling pump to accurately monitor around thirty gases.

Portable gas detector PortasenseII
  • Gas leak detection of alcohol, B2H6, Br2, C2H2, CH2O, Cl2, ClO2, CO, COCl2, F2, acid gas, GeH4, H2, H2O2, H2S, HCl, HF, NH3, NO, NO2, O2, O3, PH3, SiH4
  • Power supply: D alkaline battery (75 hours runtime) and rechargeable battery
  • 3 visual and audible alarms (alarm 1, alarm 2 and adjustable alarm)
  • Outputs: RS232 for data downloading on a PC
Additional information

PortaSense II gas leak detector is a single-gas detector to monitor rare gases. This device is powered with a D alkaline battery for around 75 hours runtime and an internal Nicad battery with an autonomy of around 6 hours.

The PortaSense gas leak detector can detect many gases thanks to its large range of interchangeable sensors. Majors detected gases are: alcohol, B2H6, Br2, C2H2, CH2O, Cl2, ClO2, CO, COCl2, F2, acid gas, GeH4, H2, H2O2, H2S, HCl, HF, NH3, NO, NO2, O2, O3, PH3, SiH4. In complement to this detected gases, this monitor features different measuring ranges for every gas.

The PortaSense II primarily detect gas leaks with its integrated sampling pump. This enables accurate measurements of hazardous gas concentrations. This gas leak detector with interchangeable sensors is moreover calibration-free, which makes it very versatile.

This single-gas detector features audible and audible alarms with 3 levels: caution, warning, and alarm with adjustable setpoints. A fourth alarm will indicate a low flow or low battery.

Thanks to its internal memory, the detector can record event data during 8 days with 1 minute interval. Furthermore, Portasense II features an RS32 output to connect a PC for data downloading.

Icon of Portable gas detector PortaSense II - Specification sheet Portable gas detector PortaSense II - Specification sheet (253.5 KiB)
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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.

  • Fxed 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.

Fxed 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)
Icon of Fixed gas detector Satellite XT - Specification sheet Fixed gas detector Satellite XT - Specification sheet (219.7 KiB)
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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

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
Icon of Gas detection controller MIDAS - Specification sheet Gas detection controller MIDAS - Specification sheet (215.1 KiB)
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Germane respiratory protection (GeH4)

As germane is highly irritant to the eyes, it is recommended to use a full face mask for short interventions or a much more comfortable powered air respirator equipped with B-P3 combined filter. In case of high concentration levels, exceeding 60 times the OEL, the use of a self-contained breathing apparatus (SCBA) or an airline system is required.

Vision panoramic gas mask

The VISION panoramic gas mask is compatible with particle, gas and combined filters. It can also be used as a facepiece for powered air respirators and SCBA.

Vision panoramic gas mask

The VISION panoramic gas mask is compatible with particle, gas and combined filters. It can also be used as a facepiece for powered air respirators and SCBA.

VISION : masque panoramique à large champs de vision (fixation cartouche frontale ou latérale)
  • Large field of wiew (98%) without visual distorsion
  • Reinforced visor resistant to solvents and scratches
  • Two filter mounting locations: central or right side
  • LSR face seal (liquid silicon rubber)
  • Available in 3 different sizes for optimal comfort
Icon of Gas mask Vision - Specification sheet Gas mask Vision - Specification sheet (291.0 KiB)
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Self-contained breathing apparatus – SIGMA

Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

Self-contained breathing apparatus – SIGMA

Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

Self-contained breathing apparatus SIGMA
  • High performance pneumatic system
  • Ultra-compact demand valve triggered from first breath
  • Lighweight and ergonomic backplate and fireproof harness
  • Possibility to switch to demand constant flow
  • Large range of full face masks: Vision 3, Promask PP and Panaseal
Icon of Self-contained breathing apparatus Sigma 2-VS - Specification sheet Self-contained breathing apparatus Sigma 2-VS - Specification sheet (297.4 KiB)
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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.

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.

masque sari contre les gaz toxiques et vapeurs chimiques
  • 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
Icon of Gas mask SARI - Specification sheet Gas mask SARI - Specification sheet (215.9 KiB)
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Powered air purifying respirator PROFLOW 2

The Proflow2 PAPR is a compact and lightweight device featuring a curved backplate for user comfort during long-term applications. This powered air purifying respirator is available in 120L/min or 160L/min versions.

  • complete Scott Safety PAPR powered-air-purifying Proflow2

Powered air purifying respirator PROFLOW 2

The Proflow2 PAPR is a compact and lightweight device featuring a curved backplate for user comfort during long-term applications. This powered air purifying respirator is available in 120L/min or 160L/min versions.

complete Scott Safety PAPR powered-air-purifying Proflow2
  • DIN40 standard filters compatible with single-cartridge masks.
  • From 7 to 15 hours runtime depending on the face piece.
  • 70 dB audible low battery alarm.
  • Compatible with many face pieces.
  • Certifications: complies with EN12941 and 12942 standards.
Icon of Powered air purifying respirator Proflow2 SC - Specification sheet Powered air purifying respirator Proflow2 SC - Specification sheet (890.9 KiB)
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