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2.1.3
The equipment is only designed for use within the technical limit values specified on the data tag and in
the operating manual. The following technical limit values should be observed:
•
•
•
2.1.4
•
•
2.1.5
All safety labels, symbols, the type plate and/or factory panel should be kept legible and replaced
if damaged or lost. Note the following general information:
D184B123U04
Variable area flowmeter
Technical limit values
the permissible pressure (PS) and the permissible temperature (TS) must be ≤ the pressure and
temperature ratings specified in the supplement to this operating manual. The data on the factory
tag/the data tag should be observed.
The maximum and/or minimum operating temperature limits specified in the equipment specification
must not be exceeded.
The housing protection type is IP 67 in accordance with EN60529
Permissible measuring agents (fluids)
Media may only be used if, depending on state-of-the-art technology or the operating experience of
the operator, it can be assured that materials of the components coming into contact with the meas-
uring agents (process connection, measurement pipes and flow distributors) assure a minimum of 15
years of successful operation.
Media with unknown properties may only be used if the operator can perform regular and suitable
tests to assure the safe condition of the equipment.
Safety labels, symbols, data tags, factory tags and CE mark
Warning!
Caution!
Note!
Ex-protec-
tion
CE mark
Warning indicates possible injury to persons which could result in serious
injury or death. Follow the instructions accurately to protect yourself and
others.
Caution indicates possible damage to property which could result in incor-
rect operation or destruction of the equipment. Follow the instructions
carefully to protect the equipment.
Note indicates important activities or procedures which you MUST under-
take correctly in order to prevent interrupts to operation or the function of
the equipment.
This symbol identifies equipment with Ex-protection. For usage in Ex-ar-
eas, you must observe the information provided in the "Ex-protection"
chapter.
The CE mark indicates that the equipment corresponds to the following
guidelines and satisfies their fundamental safety requirements:
•
CE symbol on the type plate (on the measurement transformer)
– Compliance with the EMC Directive 89/336/EEC
– Conformity with the Ex Directive 94/9/ EC (only for equipment with
Ex-protection)
•
CE symbol on the factory panel (on the measurement trans-
former)
– Conformity with the PressureEquipmentDirective (PED) 97/23/EC
The factory panel of pressure equipment does not include the CE mark, if
e.g.:
– The max. permissible pressure (PS) is below 0.5 bar.
– A registration procedure is not required as a result of the low pres-
sure risks (nominal width ≤ DN 25 / 1").
2 English
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