KROHNE OPTITEMP TR 100-TC 100 EN - Manual (Page 15)

ELECTRICAL CONNECTIONS
4
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OPTITEMP TR/TC 100
www.krohne.com 10/2009 - 4000630002 - MA OPTITEMP TR/TC 100 R02 en
Electrical connections
4.1 Safety instructions
4.2 Grounding
It is not necessary for the measuring insert to be grounded separately.
4.3 Protection category
The measuring insert itself, with its open connection terminals, is unprotected. The protection
category of the thermometer fitting depends on the design of the connection head used.
4.4 Supply voltage
Supply voltage is only relevant to measuring inserts when they are used in conjunction with a
transmitter. Typically, the supply voltage of the transmitter is 24 VDC. The documentation on the
transmitter used contains details about the supply voltage.
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.
INFORMATION!
For more information on the connection heads, please refer to the manual entitled "Industrial
thermometer with replaceable measuring inserts".
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
.book Page 15 Thursday, October 8, 2009 10:26 AM