1 Safety Instructions
1.1 Correct usage
• The Promag 33 measuring system is only to be used for measuring the flow of
conductive fluids. Most liquids can be measured provided they have a minimum
conductivity of ≥ 5 µS/cm, e.g.
– acids, alkalis, pastes, pulps,
– drinking water, wastewater, sewage sludge,
– milk, beer, wine, mineral water, yoghurt, molasses, etc.
A minimum conductivity of ≥ 20 µS/cm is required for measuring demineralised
water.
• The manufacturer assumes no liability for damage caused by incorrect use of the
instrument.
• Instruments which are used in the explosion hazardous area are supplied with a
separate “Ex documentation”, which is an
integral part
of this Operating Manual.
The instructions and connected loads provided in this supplement must absolutely
be observed. An appropriate icon is shown on the front of this document according
to the approval given and the test center (
f
Europe,
h
USA,
g
Canada).
1.2 Dangers and notes
All instruments are designed to meet state-of-the-art safety requirements, have been
tested, and have left the factory in an operational perfectly safe condition.
The devices were developed according to EN 61010 “Protection Measures for
Electronic Equipment for Measurement, Control, Regulation and Laboratory
Procedures”.
A hazardous situation may occur if the flowmeter is not used for the purpose it was
designed for or is used incorrectly. Please carefully note the information provided in
this Operating Manual indicated by the following pictograms:
Warning!
A “warning” indicates actions or procedures which, if not performed correctly, may
lead to personal injury or a safety hazard.
Please strictly observe the instructions supplied and proceed carefully.
Caution!
A “caution” indicates actions or procedures which, if not performed correctly, may
lead to faulty operations or the destruction of the instrument.
Please strictly observe the respective instructions.
Note!
A “note” indicates actions or procedures which, if not performed correctly, may
indirectly affect operations or lead to an unexpected instrument response.
Warning!
Caution!
Note!
Promag 33 1 Safety Instructions
Endress+Hauser 5
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