Vega VEGAMET 141, Safety Instructions

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5 VEGAMET 141, 142
63696-EN-201216
•
The staff must be trained in explosion protection
•
The staff must be familiar with the respectively valid regulations, e.g. planning and installation
acc. to IEC 60079-14
•
Make sure when working on the instrument (mounting, installation, maintenance) that there is no
explosive atmosphere present, the supply circuits should be voltage-free, if possible.
•
The instrument has to be mounted according to the manufacturer specifications, the Certificate
of Conformity and the valid regulations and standards
•
Modifications on the instrument can influence the explosion protection and hence the safety,
therefore repairs are not permitted to be conducted by the end user
•
Modifications must only be carried out by employees authorized by VEGA company
•
Use only approved spare parts
•
Components for installation and connection not included in the approval documents are only
permitted if these correspond technically to the latest standard mentioned on the cover sheet.
They must be suitable for the application conditions and have a separate certificate. The special
conditions of the components must be noted and if necessary, the components must be inte -
grated in the type test. This applies also to the components already mentioned in the technical
description.
Mounting
Keep in mind for instrument mounting
•
Mechanical damage on the instrument must be avoided
•
Mechanical friction must be avoided
Maintenance
To ensure the functionality of the device, periodic visual inspection is recommended for:
•
Secure mounting
•
No mechanical damages or corrosion
•
Worn or otherwise damaged cables
•
No loose connections of the line connections, equipotential bonding connections
•
Correct and clearly marked cable connections
Intrinsic safety "i"
•
Observe the valid regulations for the interconnection of intrinsically safe circuits.
•
The instrument is only suitable for connection to certified, intrinsically safe instruments
•
If the intrinsically safe circuit is lead into dust-explosive areas of zone 20 or 21, please make
sure that the instruments which are connected to these circuits meet the requirements of
EPL Da or EPL Db and are certified respectively
8 Electrical data
VEGAMET 141, 142
Non-intrinsically safe circuit
Supply circuit:
Terminals 91[+, L], 92[-, N] U = 24 … 65 V DC (-15 … +10 %)
P = 3 W (VEGAMET 141), 4 W (VEGAMET 142)
U = 100 … 230 V AC (-15 … +10 %), 50/60 Hz
P = 10 VA (VEGAMET 141), 12 VA (VEGAMET 142)
U
m
= 253 V AC
IECEx