WIKA TIF52 - Handbuch (Seite 5)

WIKA operating instructions models TIF50, TIF52 5
GB
14009686.02 03/2012 GB/D
Information
… points out useful tips, recommendations and information for efficient and
trouble-free operation.
DANGER!
...identifies hazards caused by electric power. Should the safety instructions not
be observed, there is a risk of serious or fatal injury.
WARNING!
... indicates a potentially dangerous situation in the hazardous area that can
result in serious injury or death, if not avoided.
2. Safety
WARNING!
Before mounting, commissioning and operation, make sure that the field
instrument is suitable for the application.
Non-observance can result in serious injury and/or damage to the equipment.
WARNING!
This is protection class 3 equipment for connection at low voltages, which
are separated from the power supply or voltage by greater than AC 50 V or
DC 120 V. Preferably, a connection to an SELV or PELV circuit is recommended;
alternatively protective measures from HD 60346-4-41 (DIN VDE 0100-410).
Alternatively for North America:
The connection can be made in line with "Class 2 Circuits" or "Class 2 Power
Units" in accordance with CEC (Canadian Electrical Code) or NEC (National
Electrical Code).
Further important safety instructions can be found in the individual chapters of
these operating instructions.
2.1 Intended use
The models TIF50 and TIF52 field instruments are universal transmitters, configurable
via HART ® protocol, for use with resistance thermometers (RTD), thermocouples (TC),
resistance and voltage sources as well as potentiometers. They comprise a temperature
transmitter, display/operating unit and field case.
The instrument has been designed and built solely for the intended use described here,
and may only be used accordingly.
1. General information / 2. Safety