ECH's analytical systems of Sulfimax GX series work with high sample throughputs and low reagent consumption. The Sulfimax GX for liquids and gases is available as a laboratory version and as a portable compact version. Extend the Sulfimax GX Lab or Go with a headspace module to measure solid and pasty samples as well as waste water with sludge particles. The Sulfimax GX online GAS with signal output for control systems measures continuously the H2S content in the gas phase. The Sulfimax GX online WATER detects the true H2S content directly in the liquid phase, even in strongly basic samples.