Explanation Of Symbols; Electrical Connection - Keller CellaTemp PR Serie Manual Del Usuario

Quick Start Guide CellaTemp
Pyrometer CellaTemp
Quick start guide
EN
General
This guide gives you the minimum information to properly install the pyrometers of the PR se-
ries. For detailed information please refer to the user guide CellaTemp
it under the following link:
https://www.keller.de/en/its/mediacenter/manuals.htm

Explanation of symbols

Important safety-related references in this manual are marked with a symbol.
ATTENTION
CAUTION: This symbol points out hints and information which should be heeded for effi-
cient and trouble-free operation.
► Action: This symbol instructs the operator to take action.
> Reaction, Result: This symbol indicates the result of the action taken.
Fitting
• The pyrometer should be mounted, where it is not unnecessarily exposed to smoke, heat or
steam. Contamination of the lens leads to a lower display of the measuring value. Therefore
make sure, that the lens is always clean. The field of view of the pyrometer must remain free.
Any interference by objects can cause measurement errors.
• The pyrometer should be installed at 90 ° to the measurement object, if possible. The angle
should not be less than 45 ° from the vertical.
• The spot must be completely filled by the measured object.

Electrical connection

The pyrometer is supplied with low voltage 24V DC (18 ... 32V DC).
ATTENTION
► Switch to neutral and verify absence of voltage
► Connect the instrument according to the following schematic:
PR xx
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This symbol points out guidelines. If you do not observe them, the device
might be damaged, malfunctioning or even fail to operate.
The pyrometer may only be installed by a skilled, qualified electrician. Do not
connect the instrument while the voltage supply source is turned on. Please
observe international safety regulations at all times.
PR xx
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