CIRCUTOR DHB Series - Manual (Page 7)

7
3. BASIC REQUIREMENTS,
DHB-424AL SAFETY
In the safety service scope, the DHB-4xx 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
· 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.
· Before switching the meter on, one must check the correctness of
connections.
· Do not connect the meter to the network through an autotransformer.
· Before removing the meter housing, one must switch the supply off
and disconnect measuring circuits.
· The meter is designed to be installed and exploited in
electromagnetic industrial environment conditions.
· 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 opera-
tor, and suitably marked as an element switching the meter off.
· 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.