Safety Instructions - Mettler Toledo InPro 7250 Serie Bedienungsanleitung

InPro 7250 Series
– correct equipment operation in conformance with the
– consultation with METTLER TOLEDO Process Ana-
2.3

Safety instructions

– The plant operator must be fully aware of the poten-
– It is essential that personnel involved in the commis-
– The safety of personnel as well as of the plant itself is
– The conductivity sensors and associated components
– Maintenance and service intervals and schedules
– Where specific safeguards such as locks, labels, or
– A defective sensor must neither be installed nor put
– Only maintenance work described in this operating
– When changing faulty components, use only original
– No modifications to the sensors and the accessories
– When using cables for sensor connection not sup-
InPro 7250 Series
Printed in Switzerland
prescribed environmental and operational conditions,
and admissible installation positions.
lytics in the event of any uncertainties.
tial risks and hazards attached to operation of the
particular process or plant. The operator is respon-
sible for correct training of the workforce, for signs
and markings indicating sources of possible danger,
and for the selection of appropriate, state-of-the-art
instrumentation.
sioning, operation or maintenance of these sensors
or of any of the associated equipment (e.g. hous-
ings, transmitters, etc.) be properly trained in the pro-
cess itself, as well as in the use and handling of the
associated equipment. This includes having read and
understood this instruction manual.
ultimately the responsibility of the plant operator. This
applies in particular in the case of plants operating in
hazardous zones.
have no effect on the process itself and cannot influ-
ence it in the sense of any form of control system.
depend on the application conditions, composition
of the sample media, plant equipment and signifi-
cance of the safety control features of the measuring
system. Processes vary considerably, so that sched-
ules, where such are specified, can only be regarded
as tentative and must in any case be individually
established and verified by the plant operator.
redundant measuring systems are necessary, these
must be provided by the plant operator.
into service.
instruction may be performed on the sensors.
spare parts obtainable from your METTLER TOLEDO
supplier (see ordering information, "Section 6").
are allowed. The manufacturer accepts no responsi-
bility for damage caused by unauthorized modifica-
tions. The risk is borne entirely by the user.
plied and recommended by the manufacturer the fol-
lowing standards need to be considered:
• US National Electrical Code
(ANSI/NFPA 70 [NEC
• Canadian Electrical (CE) Code
(CEC Part 1, CAN/CSA-C22.1), where applicable.
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© 10 / 22 METTLER TOLEDO
52 002 799 H
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