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2. Installation
2.1 Initial Inspection
Upon receipt, the instrument should be free of damage and in perfect order. To
confirm this, first inspect the instrument for physical damage incurred in transit. If
the instrument is damaged, inform your local distributor immediately. Only after you
have determined that the instrument is damage-free, test the electrical performance .
2.2 Mechanical Installation
Location
The instrument should be mounted away from heat sources in a dirt-free
environment. The instrument should not be operated in direct sunlight nor should it
come into contact with oil or moisture.
Although designed to operate in an electrically noisy environment, the instrument
should not be placed near very high electric fields. It must be placed at least one-half
meter (1.64 feet) from current lines carrying up to 600 amperes. For currents greater
than 600A and up to 2,000A, this distance must be at least 1 meter (3.28 feet).
In the event that the instrument is mounted in a harsh, noisy environment with high
potential for electromagnetic impulses from heavy switch gears, motors or lightning,
it is recommended to install appropriate protective devices such as lightening and
over-voltage arresters to all incoming voltage inputs .
Mounting
The PM295 is designed to be panel mounted. The dimensions of the cutout
necessary both for front (standard) and rear panel mounting are shown in Figures 2-
1 and 2-2.
For either front or rear mounting , the instrument is positioned through the cutout,
and the bracket(s) are then screwed to the back of the instrument as shown in the
figures. For front mounting, the four thrust screws are tightened against the panel to
affix the instrument in place.
Installation
11
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