1. General
These operating instructions describe
the fully extended conductivity measuring
transmitters Mycom CLM 121-CD/MM
and CLM 151-CD/MM
1.1 Conformity statement
The Mycom CLM 121 / 151 - CD/MM has
been developed and manufactured in
accordance with current European
standards and directives.
1.2 Intended application
Mycom CLM 121 / 151 are microprocessor-
based measuring and control instruments
used to determine the conductivity value.
Their state-of-the-art engineering allows the
instruments to adapt easily to all conductivity
measuring tasks.
1.3 General safety instructions
Warning:
Operating this instrument in any
way other than described in these
instructions may compromise the
safety and function of the measuring
system and is therefore not allowed.
Installation, start-up, operation
The Mycom CLM 121 / 151 - CD/MM has been
designed and manufactured for safe
operation according to the state of the art in
engineering and conforms to the relevant
regulations and EC directives (see ,,Technical
data“). However, if used improperly or other
than for the intended purpose, it may be
hazardous, e.g. due to improper connection.
Note:
For an instrument with digital
interface the separate operating
instructions BA 090C "Mycom
instrument family serial interface"
(order no. 50059856) are required.
Note:
A conformity statement can be
obtained from Endress+Hauser.
Typical areas of application are:
• Water treatment
• Effluent treatment
• Sewage treatment plants
• Chemical industry
• Pharmaceutical industry
• Food industry
Installation, electrical connection, start-up,
operation and maintenance of the measuring
system must therefore be performed
exclusively by trained specialist personnel
properly authorised by the system operator
for such work. The specialist personnel must
be familiar with these operating instructions
and must adhere to the instructions contained
therein.
1. General
mycom CLM 121 / 151 - CD/MM
2
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