Chapter 3 Installation
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(5) No operation for long duration
After the instrument is installed, it shall be avoided that the meter is not used for
long duration. If yes, please take the following measures:
A. Check the tightness of the covers and the wiring terminals to ensure that no
moisture and water enters into the meter.
B. Conduct regular inspection. Check against the measures mentioned above
and the terminal box for at least once a year. In the event of water entry into the
meter (eg, after heavy rain, etc.), the meter shall be inspected immediately.