Special Conditions For Safe Use - Mettler Toledo InPro 7250 Série Instructions D'utilisation

InPro 7250 Series
2.5.3.

Special conditions for safe use

1. The maximum permissible process temperatures are
Temperature class
T6
T5
T4
T3
2. The InPro 725X/*/*/* conductivity sensors may only
3. The capacitance and inductance of the connecting
4. The independent process terminal used for installa -
5. The independent process terminal used for installa-
6. The minimum conductivity of the media for safe
© 04/2017 Mettler-Toledo GmbH
Printed in Switzerland
in accordance with the temperature classes shown in
the table below:
be used in suitable process terminals of METTLER
TOLEDO or other manufacturers in potentially explo-
sive atmospheres.
cable must be taken into account in the design.
tion of the conductivity sensors must be connected to
the equipotential bonding system of the installation.
tion of the conductivity sensors must be included
in the recurring pressure test of the installation if
necessary.
working in potentially explosive atmospheres must be
higher than 1 nS/cm.
Maximum permissible
process temperature
68 °C
80 °C
108 °C
130 °C
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