9 Operations
8.2. SETPOINT CONFIGURATION
General: a set point is a threshold value that will trigger control if the measurement value crosses it.
1. Press the SET key. The LCD displays the default or previously configured value along with the ”SET“ tag.
2. Use a small screwdriver to adjust the SET trimmer to the desired setpoint value.
3. After 1 minute the instrument resumes measure mode. If not, press the MEAS key.
Note: The setpoint has a typical hysteresis value comparable to the instrument’s accuracy.
8.3. MONITORING
Best practices
• Ensure wiring is done correctly.
• Ensure setpoint value is configured correctly.
• Ensure probe calibration.
• Select dosing mode.
Procedure
1. Immerse (or install) the probe in the solution to be monitored.
2. Press the MEAS key (if necessary). The LCD displays the measured value.
• LED indicator lights up Green indicating instrument is in measurement mode and dosing is not active.
• LED indicator lights up Orange/Yellow indicating dosing in progress.
8.4. PROBE MAINTENANCE
Regular cleaning and correct storage is the best way to maximise probe’s life.
• Immerse the tip of the probe in HI7061 Cleaning Solution for 1 hour.
• If a more thorough cleaning is required, brush the metal pins with very fine sandpaper.
• After cleaning, rinse the probe with tap water and recalibrate the meter.
• Store the probe clean and dry.
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