Electrical connections – KROHNE UFM 530 HT EN User Manual
Page 19
ELECTRICAL CONNECTIONS
4
19
UFM 530 HT
www.krohne.com
12/2013 - 4002393201- HB UFM 530 HT R02 en
4.1 Safety instructions
4.2 Power supply of the converter
Environmental conditions
The flowmeter is designed to operate safe under the following conditions. Observe them before
the connection to the mains supply voltage is established:
• Indoor and outdoor use, usable up to protection category IP67 according to IEC 60529
(Note: IP67 is only warranted when using suitable cabling with the cable glands and covers
mounted as specified).
• Maximum altitude: up to 2000 m above see level.
• Maximum relative humidity: up to 80%.
• Operation ambient temperature range: -40...+65°C.
• Storage temperature range: -40...+70°C.
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
CAUTION!
Never allow dirt to accumulate on the gasket of the rear (blind) cover. A dirty gasket has to be
cleaned, a damaged gasket must be replaced immediately.