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Safety Precautions
Be sure to read and follow these instructions!
If you have to open the Portamess® 913 X pH to change
the batteries, make sure that it is outside the hazardous
area. If repairs are necessary, the meter must be sent in
to the factory.
Never operate the remote interface or printer within a
hazardous area.
Whenever it is likely that the protection has been impaired, the meter shall
be made inoperative and secured against unintended operation.
The protection is likely to be impaired if, for example:
• the meter shows visible damage
• the meter fails to perform the intended measurements
• after prolonged storage at temperatures above 70 °C
• after severe transport stresses
Before recommissioning the meter, a professional routine test according
to EN 61 010-1 shall be performed. This test should be carried out at our
­factory.
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