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ABB 9435 Dissolved Oxygen Monitor Instruction Manual

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This manual provides installation, operation, calibration, and maintenance instructions for the ABB Model 9435 microprocessor-controlled on-line monitor, designed to measure dissolved oxygen in deaerated waters such as boiler feed water. It covers the two-unit system (transmitter and sensor), automatic calibration, alarm settings, and safety precautions for industrial process control applications.

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