Page 200 - Gas Detection Systems Training Manual

6.1 Calibrating the SEC 3100/3000 Sensor
The Calibration Screen is activated by pressing the “Calibrate” button shown on the previous page of the Sensor Details Screen. When pressed, the system transitions to the Calibration Screen by shutting down the Modbus communications process (as described in previous sections), as shown below:
6.1.1 Setting the Calibration Value
In the Calibration Screen above, inside the “Current Calibration Value” panel, the current calibration value used by the SEC 3000 Sensor is displayed. See the SEC 3000 Sensor documentation for further information regarding this value. To change it and permanently store it in the Sensor, touch the Calibration Value, and enter a new one with the popup keypad. Once changed, press the “Save Now” button to permanently write it to the Sensor; the Status panel will indicate the progress. Press the “Main Screen” button to return to normal operation.
If any error occurs during the calibration process, the error message and condition will be displayed in the Status panel. Refer to the SEC 3000 Sensor documentation for further details on how to correct the problem.
6.1.2 Zero Calibration Procedure
Before performing the Zero Calibration process, you may want to press the “Do Not Remove Screen” button to prevent the screen timeout from occurring while visually monitoring the gas level reported by the Sensor (screen touch inactivity) shown above the
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SEC 3500 OI Supervisor Operator’s Manual Version 2.1.0095