Liquid Technology EPA Protocol (CEMS) calibration gas Hydrogen Sulfide H2S, selectable concentration from 5 ppm to 250 ppm, 80 cubic feet (2.2 cubic meter). Balance Nitrogen with CGA330 Inlet (Stainless Steel).
Calibration gas is non-returnable
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Blending Method:
Although most manufacturers utilize a combination of partial pressure and gravimetric filling. Liquid Technology uses solely gravimetric blending to manufacture all calibration gas standards. This allows us to offer tighter blend tolerances on all gas mixtures including EPA, Primary, Certified and most Disposable Gas Standards.