Hydrogen Sulphide
Analysis...

Model 477
Sulphur Dioxide Analyser

CityNox

• Utilises UV fluorescence to measure SO2 (with the option of H2S) in the range
0-100/200/500/1000ppb or 0-2/3/5 ppm.
• Analyser complies with US EPA specifications and is UK National Environment Centre (NETCEN) approved.

Signal's hydrogen sulphide analysers are high performance instruments designed for use in a wide range of ambient applications.