Section 6 Maintenance; Maintenance Schedule; Cleaning The Sensor - Hach LDO User Manual

Section 6

6.1 Maintenance Schedule

Maintenance Task
1
Clean the sensor
Inspect sensor cap for damage
Calibrate Sensor (if required by regulatory agency)
1
Cleaning frequency is application dependent. More or less frequent cleaning will be appropriate in some applications.

6.2 Cleaning the Sensor

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.
Clean the exterior of the sensor with a soft, wet cloth. If the sensor cap is removed from
the sensor body, do not leave the interior of the cap exposed to sunlight. Sun exposure to
the interior of the cap can adversely affect the performance of the sensor. Degradation
from sunlight is only an issue if the sensor cap is off the sensor body and the interior of the
sensor cap is exposed to sunlight.
90 days
x
x
Per the schedule mandated by your regulatory agency.
Annually
27