The DO 2000 controller combines advanced features and simple set up to provide superior dissolved oxygen control. IP66-rated housing features a large LCD with clear enunciators, alarm status, and operational and error messages. LED indicators allow you to visually monitor transmitter status. Easily access menu-driven programming, calibration, and sensor offsets from the push-button keypad.
P or PI control modes offer pulse length or pulse frequency control. Relays feature a 0- to 2000-second time delay adjustment. Additional features minimize environmental or operational errors and false responses. Nonvolatile memory keeps set data from being erased due to power failure. Two-level passwords prevent tampering with calibration and setup modes. Built-in calibration checks and compensation for temperature, salinity, and barometric pressure ensure good data. Separately adjustable high and low setpoint hysteresis prevent chattering of relays around the set points.
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