EN
12
1. BASIC REQUIREMENTS, OPERATIONAL
SAFETY
In the safety service scope, the N30H meter meets the requirements
of the EN 61010-1 standard.
Mentioned below applied symbols mean:
- especially important, one must acquaint with this information
before connecting the meter. The non-observance of notices
marked by this symbol can occasion injures of the personnel
and a damage of the instrument.
- one must take note of this when the instrument is working
inconsistently to the expectations. Possible consequences
if disregarded.
Observations concerning the operational safety
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All operations concerning transport, installation, and commissioning as
well as maintenance, must be carried out by qualified, skilled personnel,
and national regulations for the prevention of accidents must be observed.
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The programming of N30H meter parameters must be carried out after
disconnecting measuring circuits
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Before switching the meter on, one must check the correctness of con-
nections.
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Do not connect the meter to the network through an autotransformer.
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Before removing the meter housing, one must switch the supply off and
disconnect measuring circuits.
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The meter is designed to be installed and exploited in electromagnetic
industrial environment conditions.
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Non-authorized removal of the housing, inappropriate use, incorrect
installation or operation, creates the risk of injury to personnel or meter
damage.
For more detailed information, please study the User’s Manual.
l
When connecting the supply, one must remember that a switch or a
circuit-breaker should be installed in the building. This switch should be
located near the device, easy accessible by the operator, and suitably
marked as an element switching the meter off.