AUX E&H Series Instruções de Operação descarregar pdf (Página 18)

Note:

• The instrument is pre-configured

for symmetrical measurement.

Change the configuration in field

A2 for asymmetrical measurement

(see chapter 5.2.1).

• The conductor for the potential

matching pin must be connected

to the “PA/PM” terminal of the

instrument for symmetrical

measurement.

• If the software setting

“asymmetrical” is chosen for a

symmetrical connection, this will

reduce the service life of the

reference electrode.

• The instrument is approved for

protection class II and is generally

connected without protective earth.

• Cable termination is only required

for CPM 223.

PH-AN01E.CDRFig. 3.18

pH electrode connection

to Liquisys M

CPM 223 / 253

left:

Connection of CPS 11

with CPK 9

right:

Connection of CPS 401

with CPK12

RE-AN01E.CDR

Fig. 3.19

Redox electrode

connection to Liquisys M

CPM 223 / 253

left:

Asymmetrical (without PM)

right:

Symmetrical (with PM)

Installation Liquisys M CPM 223 / 253

16 Endress+Hauser

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AUX E&H Series Instruções de Operação Página 18