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Wet-well analysis for CH4, O2 and H2S gases

| By Chemical Engineering



This company’s Wet Well Monitoring System (photo) is designed for monitoring methane, oxygen and hydrogen sulfide in a hazardous wastewater-treatment-plant environment. The system incorporates the CP-60 controller with three remote 4–20-mA (24 V d.c.) sensor/transmitters in Explosion-proof Class I Div. 1, Group B, C and D enclosures. The CP-60 controller provides 24 V d.c. power, audio and visual alarms, alarm relays and other features. — ENMET, Fairfield, Conn.