h2S Archives

Sulfur Dioxide (SO2) Sensors – Humidity Stable

February 4, 2026
Bill Bolster
News

Electro Optical Components introduces Sulfur Dioxide (SO2) sensors (4SO2-20B & - 4SO2-20BF) that measure Sulfur Dioxide concentrations in the gas phase with no sensitivity loss over time due to humidity. The 4SO2-20BF has no cross-sensitivity to H2S. Both can be…

Precise Hydrogen Sulfide (H2S) Gas Detection

March 8, 2024
Bill Bolster
News

You can get Accurate and Precise Hydrogen Sulfide (H2S) Detection using EOC’s DOAS (Differential Optical Absorption Spectroscopy) Module. NDIR is not effective with hydrogen sulfide because water (H2O) interferes with the reading (H2S and water have similar absorption bands in the…

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