Hach WDMP sc, User Manual, Page: 19 / 74

Figure 11 Apply power
Section 5 Operation
After the startup procedure is complete and the measurements are stable, monitor the
measurements regularly. Measure grab samples and calibrate the analyzers and sensors regularly to
make sure that the measurements are accurate. Refer to the user manual of each device for
calibration instructions.
Section 6 Maintenance
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
6.1 Maintenance schedule
Table 5 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Table 5 Maintenance schedule
Task 30 days 90 days As necessary
Look for leaks and blockages on page 20 X X
Clean the panel on page 20 X
Replace the junction box fuses on page 20 X
Replace the tubing X
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