6
2. METER SET
3. BASIC REQUIREMENTS AND
OPERATIONAL SAFETY
The set of the ND20 meter is composed of:
1. ND20 meter ........................................... 1 pc.
2. user’s manual ....................................... 1 pc.
3. guarantee card ...................................... 1 pc
4. seal ........................................................ 1 pc.
5. holders to fix the meter in the panel ... 4 pcs
In the safety service scope, the ND20 meter meets to requirements of
the EN 61010 -1 standard.
Observations Concerning the Operational Safety:
· All operations concerning transport, installation, and commissioning
as well as maintenance, must be carried out by qualified, skilled per
sonnel, and national regulations for the prevention of accidents must
be observed.
· Before switching the meter on, one must check the correctness
of connection to the network.
· Before removing the meter housing, one must switch the supply off
and disconnect measuring circuits
· The removal of the meter housing during the guarantee contract pe-
riod may cause its cancellation.
· The ND20 meter is destined to be installed and used in industrial
electromagnetic environment conditions.
· One must remember that in the building installation, a switch or a cir-
cuit-breaker should be installed. This switch should be located near
the device, easy accessible by the operator, and suitably marked.
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