Main Connection - Hach POLYMETRON 8362 User Manual

Transmitter 9135 - pH measurement in pure water

Main connection

Electrical connection should be performed only by
qualified personnel. The power supply accepts 100-
240 VAC ± 10 %, without changes in configuration.
The terminal block for power connections can be lifted
from its header for easier installation.
For safety reasons, it is required to observe the
precautions below :
•
Use a three wire mains supply cable (2 core + PE)
with a cross section between 0.35 and 2 mm²
(AWG 22 to 14) rated at 105°C minimum. The
external cable insulation should be cut as close as
possible from the terminal block.
•
The instrument should be connected to the power
supply by means of a breaker located close to the
instrument and be identified. The supply shall be
fitted with an overcurrent protection device rated at
20 Amp maximum.
•
This breaker should switch off phase and neutral in
case of electrical problems or when the user wish
to service the instrument. However the power
supply earth must always be connected.
Note :
Before servicing the instrument, ensure that the
power supply is switched off.
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