Seaward IRT 1557 - Manual (Page 9)

IRT1557
Operating Instructions
- 9 -
2 Safety Notes
This IRT 1557 is fully compliant with the requirements
of:
EN 61010-1: 2001.
EN 61557 parts 1, 2, 4 and 10.
In order to ensure safe operation of this instrument, all
notes and warnings in these instructions must be
observed at all times.
The IRT 1557 has been designed to make
measurements in a dry environment.
The IRT 1557 may be used to test circuits with a
maximum overvoltage (with reference to earth)
Cat II, 1000V AC/DC.
Cat III, 600V AC/DC.
Cat IV, 300V AC/DC.
The IRT 1557 and all associated cables and
leads must be checked for signs of damage
before equipment is operated.
Where safe operation of the IRT 1557 is no longer
possible it should be immediately shut down and
secured to prevent accidental operation.
It must be assumed that safe operation is no longer
possible:
- if the instrument or leads show visible signs of
damage or
- the instrument does not function or
- after long periods of storage under adverse
environmental conditions.
If the IRT 1557 is used in a manner not specified
by this document then the protection provided by
the equipment may be impaired.