Safety Information; Intended Use - Knick Protos 3400 X Serie Mode D'emploi

Safety Information

Caution!
Never try to open the module! If a repair should be required, return the module
to our factory. If the specifications in the instruction manual are not sufficient
for assessing the safety of operation, please contact the manufacturer to make
sure that your intended application is possible and safe.
Be sure to observe during installation:
• Switch off power supply before replacing or inserting a module.
• Protect the signal inputs of the modules against electrostatic discharge.
• Before commissioning it must be proved that the device may be connected
with other equipment.
• Observe correct shielding: To avoid interferences, the cable shielding must
be completely covered by the ESD shielding cap.

Intended Use

The module is used for simultaneous pH and temperature measurement with
Pfaudler differential probes. The 3400X-033 module is intended for operation
in locations subject to explosion hazards which require equipment of Group II,
device category 2(1), gas/dust.
Application in hazardous locations: PH 3400X-033
The module is approved for operation in hazardous locations.
Observe all applicable local codes and standards for the installation of electri-
cal equipment in hazardous locations. For orientation, please refer to IEC 60079
14, EU directives 2014/34/EU and 1999/92/EC (ATEX), NFPA 70 (NEC), ANSI/ISA-
RP12.06.01.
• •When installing the device in a hazardous location, observe the specifica-
tions of the EC-Type-Examination Certificate and, if applicable, of the Control
Drawing (download: www.knick.de).
• •Before commissioning you must prove that the device may be connected
with other equipment, such as a supply unit including cables and wires.
• •In hazardous locations the device shall only be cleaned with a damp cloth to
prevent electrostatic charging.
• •Devices and modules which have already been used shall be subjected to
a professional routine test before they may be operated in another zone or
another type of protection.
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PH 3400(X)-033