Spectrex SafEye Quasar 950 Configuration guide

Supplement_950960_Aa
8200 Market Blvd, Chanhassen, MN 55317, USA
Phone: [phone]
Website: www.spectrex.net Email: [e-mail]
Manual Supplement –SafEye 950/960
Please note that since the attached manual for the SafEye 950/960 was released, the following
changes have been made
The following sections have been corrected as follows:
3.2 Applications
The Quasar 950/960 SafEye system can be used to monitor toxic gas
concentration in various applications, such as:
•Petrochemical, pharmaceutical, and other chemical storage and production
areas
•Toxic chemical storage sites and hazardous waste disposal areas
•Detection of H2S in desulfurization processes at refineries, oil platforms,
pipelines, refueling stations, and fuel storage facilities
•Transportation depots and shipping warehouses of solvents (aromatic and
polymers origin), degreasing and cleaning solvents
•Styrene monomer, polymers, and plastic industries
•Ammonia production facilities, storage, and transportation
•Air conditioning, refrigeration, and agriculture application areas for ammonia
and derivatives
•Semiconductor industry, in which ammonia concentration monitoring is
required
3.3.4 Detected Gases
The following toxic gases and vapors are detected by the UV SafEye models
according to their unique spectral absorption in the UV solar blind range:
•SafEye 960: Hydrogen Sulfide (H2S): A flammable, poisonous gas with a
characteristic smell of rotten eggs. It is perceptible in air at concentrations of
0.001–0.1ppm, with a sweetish taste, and a TLV-TWA of 10ppm.
H2S is heavier than air and very dangerous to humans, causing collapse,
coma, or death from respiratory failure within a few seconds of inhalation.
Early detection of H2S at concentrations of up to 10ppm is essential to
prevent its toxic influence.

Supplement_950960_Aa
8200 Market Blvd, Chanhassen, MN 55317, USA
Phone: [phone]
Website: www.spectrex.net Email: [e-mail]
In the UV band, H2S has a characteristically strong absorption in the solar
blind range of 189–270nm, which enables its fast and reliable detection at low
concentrations.
•SafEye 960: Ammonia (NH3): A flammable and toxic gas that is highly
irritant, colorless, and with a pungent odor. The lower limit of human
perception is 17ppm. Ammonia’s TLV-TWA is 25ppm.
The early detection of NH3at concentrations of up to 25ppm is essential in
order to prevent its toxic effects, such as respiratory tract paralysis. In the UV
band, NH3gas has a typically strong absorption in the solar blind range of
189–210nm that enables its fast and reliable detection at low concentrations.