6
2
Important notes
2.1
Notes on operating instructions
These operating instructions contain all the information
needed for safe and proper use of the InPro 7250 Series
sensor.
The operating instructions are intended for personnel
entrusted with the operation and maintenance of the
sensors. It is assumed that these persons are familiar
with the equipment in which the sensor is installed.
Warning notices and symbols
This instruction manual identifies safety instructions and
additional information by means of the following
symbols:
This symbol draws attention to safety instructions and
warnings of potential danger which, if neglected, could
result in injury to persons and/or damage to property.
This symbol identifies additional information and
instructions which, if neglected, could lead to defects,
inefficient operation and possible loss of production.
2.2
Intended use
The sensors InPro 7250 Series are intended to be used
to measure conductivity and concentration of liquids, in
accordance with the data in this instruction manual. Any
use of these sensors which differs from or exceeds the
scope of use described in this instruction manual will be
regarded as inappropriate and incompatible with the
intended purpose.
The manufacturer/supplier accepts no responsibility
whatsoever for any damage resulting from such impro-
per use. The risk is borne entirely by the user/operator.
Other prerequisites for appropriate use include:
– compliance with the instructions, notes and require-
– acceptance of responsibility for regular inspection,
– compliance with all information and warnings given
– observance of all safety regulations governing the
© 09/08 Mettler-Toledo AG
Printed in Switzerland
ments set out in this instruction manual.
maintenance and functional testing of all associated
components, also including compliance with local
operational and plant safety regulations.
in the documentation relating to the products used in
conjunction with the sensor (housings, transmitters,
etc.).
equipment in which the sensor is installed.
®
InPro
7250 Series
CH - 8606 Greifensee
52 002 799