General information on H₂S / Schwefelwasserstoff

Hydrogen sulfide (H₂S) (also dihydrogen sulfide,) is a malodorous, colorless, highly toxic gas. It is corrosive, flammable, highly combustible, and slightly heavier than air. It is slightly soluble in water and slightly more soluble in ethanol. H₂S is a very weak acid whose salts are the sulfides and hydrogen sulfides. Even in very low concentrations, hydrogen sulfide can be recognized by its typical rotten egg smell. It is formed, among other things, during the decomposition of sulfur-containing amino acids in biogas plants with concentrations of up to 10,000 ppm.

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Gas sensors from Wi.Tec-Sensorik for the precise measurement of H₂S

Overview Products and Measurement Ranges

^(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets
	Measuring range ^(*)
	100 Vol.%	50 Vol.%	30 Vol.%	20 Vol.%	10 Vol.%	5 Vol.%	1 Vol.%	5,000 ppm	2,000 ppm	1,000 ppm	500 ppm	300 ppm	100 ppm	50 ppm	10 ppm	1 ppm
Kombi.sens
ULTRA.sens AK100 H2S

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Gas Sensor, OEM Product

ULTRA.sens AK100 H2S

SO2 H2S

High dynamic range
Fast response time
Applicable for continuous measurements
Different Interfaces (RS232, CANbus)

Gas Sensor, OEM Product

Kombi.sens

CO2 CO N2O CnHm CH4 CF4 SF6 H2O O3 Cl2 SO2 H2S NO2

Optimal adaptation to the measurement task
Combination of IR and UV technology
High accuracy
Low power consumption
Compact size
Space-saving design
Up to 3 gases + O₂
Cross-charging among each other possible

Application

Renewable Gas Monitoring

CO2 CO CH4 H2S

Wide range of solution in the area of renewable energy sources and infrastructure
Development in progress for a new kind of portable H₂S detektor

INFRA.sens® AK20Gcompact & ULTRA.sens® H2S Modul Measure the future energy sources Biogas is produced by fermentation of organic waste and renewable resources (NAWAROS). The main components of biogas are methane …

Biogas, Biogas Analysis, CH4 Sensor, CO Sensor, CO2 Sensor, H2S Sensor, Renewable gas monitoring

Application

Customer Specific Projects

CO2 CO N2O CnHm CH4 CF4 SF6 H2O SO2 O3 Cl2 SO2 H2S NOx NO2 NO

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H₂S – General information, H₂S–Sensors & relevant applications

General information on H₂S / Schwefelwasserstoff

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