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1 For your safety
VEGAPULS 68 • 4 … 20 mA/HART - four-wire
51905-EN-180222
1 For your safety
1.1 Authorised personnel
All operations described in this operating instructions manual must
be carried out only by trained specialist personnel authorised by the
plant operator.
During work on and with the device the required personal protective
equipment must always be worn.
1.2 Appropriate use
VEGAPULS 68 is a sensor for continuous level measurement.
You can find detailed information about the area of application in
chapter "
Product description
".
Operational reliability is ensured only if the instrument is properly
used according to the specifications in the operating instructions
manual as well as possible supplementary instructions.
For safety and warranty reasons, any invasive work on the device
beyond that described in the operating instructions manual may be
carried out only by personnel authorised by the manufacturer. Arbi-
trary conversions or modifications are explicitly forbidden.
1.3 Warning about incorrect use
Inappropriate or incorrect use of the instrument can give rise to
application-specific hazards, e.g. vessel overfill or damage to system
components through incorrect mounting or adjustment. Thus dam-
age to property, to persons or environmental contamination can be
caused. Also the protective characteristics of the instrument can be
influenced.
1.4 General safety instructions
This is a high-tech instrument requiring the strict observance of stand-
ard regulations and guidelines. The user must take note of the safety
instructions in this operating instructions manual, the country-specific
installation standards as well as all prevailing safety regulations and
accident prevention rules. For safety reasons, only the accessory
specified by the manufacturer must be used.
Depending on the model, the emitting frequencies of all radar sensors
are either in the C or K band range. The low transmitting power lies far
below the internationally permitted limit values. When the instrument
is used correctly, it presents no danger to human health. It may be
operated without restriction outside of closed metallic vessels.
The instrument must only be operated in a technically flawless and
reliable condition. The operator is responsible for the trouble-free
operation of the instrument. When measuring aggressive or corrosive
media that can cause a dangerous situation if the instrument malfunc-
tions, the operator has to implement suitable measures to make sure
the instrument is functioning properly.
