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Cleaning and Maintaining Submerged Area/Velocity Sensors
Section 5
5.6 Cleaning and Maintaining Submerged Area/Velocity Sensors
CAUTION:
When handling materials,
samples, and waste wear goggles
and latex gloves to avoid illness
or infection.
ATTENTION
Lorsque vous manipulez des matériaux, des échantillons et des déchets, portez
des lunettes et des gants en latex, pour écarter tout risque d'infection ou de
maladie.
ADVERTENCIA
Al manejar materiales, muestras y descartes, llevar gafas y guantes de látex
para evitar infecciones o enfermedades.
ACHTUNG - LEBENSGEFAHR!
Der Umgang mit Reagenzien, Proben und Abfall kann gesundheitsschädlich
sein, evtl. besteht Infektionsgefahr. Unbedingt Schutzbrille und
Latexhandschuhe tragen!
ATTENZIONE
Quando si maneggiano materiali, campioni e scarichi. Indossare i guanti
protettivi ed i dispositivi di protezione per evitare infezioni e malattie.
Clean the transducer port when:
• Upward-drift occurs in your readings
• Level data are missing or incorrect but velocity data are valid
• Silt has deposited between the transducer and its protective cover
Do not clean the transducer unless it shows signs of drift or malfunction. Do
not clean it just because it appears dirty.
5.6.1 Submerged Area/Velocity Sensor Cleaning Procedure
When cleaning the transducer, use the most gentle technique possible. Do not
use any type of object to remove sediment from the face of the transducer.
Foreign object damage to the transducer will void the warranty!
1. Soak the sensor in soapy water for 24 hours.
Note: Do not soak the sensor in
bleach. Bleach will permanently
damage the sensor.
2. Remove the screws from the protective cover (Figure 47).
3. Remove the cover and gasket.
4. Carefully swirl the sensor in soapy water to remove soil. For stubborn
deposits, use a spray or squeeze bottle.
5. Clean the gasket and cover.
6. Reattach the gasket and cover. Tighten the screws to 10 inch-pounds or
until the gasket starts to expand out from under the cover.