Maintenance Schedule - Hach sc200 User Manual

Section 6 Maintenance
DANGER
Only qualified personnel should conduct the tasks described in this section of the
manual.
DANGER
Seul un technicien qualifié peut effectuer les tâches d'installation décrites dans
cette section du manuel.
DANGER
Explosion hazard. Do not connect or disconnect equipment unless power has been
switched off or the area is known to be non-hazardous.
DANGER
Risque d'explosion. Couper le courant ou s'assurer que l'emplacement est designe
non dangereux avant de replacer le aucon composant.
DANGER
Explosion hazard. Substitution of components may impair suitability for Class 1,
Division 2.
DANGER
Risque d'explosion. La substitution de composants peut rendre ce materiel
inacceptable pour les emplacements de Classe 1, Division 2..

6.1 Maintenance Schedule

Maintenance Task
1
Clean the sensor
Inspect sensor for damage
Replace Salt Bridge and fill solution
Calibrate Sensor (as required by regulatory agency)
1
Cleaning frequency is application dependent. More or less frequent cleaning will be appropriate in some applications.
2
Salt bridge replacement frequency is application dependent. More or less frequent replacement will be appropriate in some
applications
2
90 days
x
x
Per the schedule mandated by your regulatory agency.
Annually
x
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