2.4
Monitoring and safety features
Safety features
The transmitter is protected against external
influences and damage by the following
design measures:
• Rugged housing
• Degree of protection provided by
enclosure: IP 65 (CLM 253)
• UV resistance
Monitoring features
In the event of a system error or power failure,
an alarm condition is signalled via a fault-
signalling contact.
2.5
Immunity to interference
This instrument has been tested according to
the applicable European standards for
industrial applications with regard to
electromagnetic compatibility. It is protected
against electromagnetic interference by the
following design measures:
• Cable screen
• Interference suppressor filter
• Interference suppression capacitors
Warning:
The specified immunity to
interference only applies for devices
connected as outlined in these
operating instructions.
2.6
Certificate of conformity
The CLM 223/253 transmitter has been
developed and manufactured in accordance
with currently valid European standards and
directives.
Note:
An EC certificate of conformity is
supplied.
LM253E02.CHP
Liquisys M CLM 223 / 253
Safety
Hauser
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