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7. Maintenance
ATTENTION
Potentially dangerous to skin and eyes with chemical/biological exposure.
The tasks described in this section of the manual should only be performed by qualified personnel.
7.1. Cleaning the measuring instrument and accessories
Important note: Never use cleaning products such as turpentine, acetone or similar products to clean the
instrument, including the screen and accessories.
Only clean the carrying case and accessories with a soft damp cloth.
A mild soap solution can also be used. Dry the clean parts carefully with a soft cotton cloth.
7.2. Storing the instrument
When preparing to store the instrument for long periods of time, remove the batteries to prevent leakage
and subsequent damage to the measuring instrument.
7.3. Changing batteries
WARNING
Risk of fire or explosion. Use only AA alkaline batteries for the measuring instrument and ensure that
the batteries are correctly inserted in their compartment. Inserting batteries incorrectly can damage
the measuring instrument and cause fires or explosions
The batteries supplied have a useful life of approximately 250 hours.
1. Press
to turn off the instrument.
2. Disconnect the sensor.
3. Open the lid of the battery compartment (Fig. 2, pg. 7).
4. Remove the old batteries.
5. Insert the new batteries (1.5V AA). Note the polarity markings inside the battery compartment.
Important note: never use different types of batteries together.
6. Close the lid of the battery compartment.
sensION+ MM150 HACH 0710.indd ANG:22sensION+ MM150 HACH 0710.indd ANG:22 7/9/10 13:03:047/9/10 13:03:04
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