Special Conditions - Mettler Toledo InPro 7250 Serie Bedienungsanleitung

InPro 7250 Series
2.7.3

Special conditions

1. The relationship between the maximum permissible
Temperature class
T6
T5
T4
T3
2. The capacitance and inductance of the connecting
3. The InPro 725X/*/*/* conductivity sensors may only
4. The independent process terminal used for installation
5. The independent process terminal used for installation
6. The minimum conductivity of the media for safe
InPro 7250 Series
Printed in Switzerland
ambient or media temperature and temperature class
is shown in the following table :
cable has to be considered.
be used in suitable process terminals of METTLER
TOLEDO or other manufacturers in potentially explo-
sive atmospheres.
of the conductivity sensors must be connected to the
equipotential bonding system of the installation.
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.
Max. environment
resp. media temperature
68 °C
80 °C
108 °C
130 °C
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