Hach POLYMETRON 8362 User Manual page 22

Transmitter 9135 - pH measurement in pure water
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Fig. 3.2 9135 shielded plate
Page 18
Supply terminals blocks and relays are under the
shielded plate.
Note :
Electrical connections should remain dry to
ensure a proper operation of the instrument.
Check the creeping of the cables when opening
the transmitter.
Il is required to use shielded cables. The shield
should be linked to the main shielding.