Metrohm Power Box (for 899 Coulometer) - Manual (Page 12)

3.3 Connecting the power supply unit to the Power Box
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Power Box
Figure 3 Connecting the 899 Coulometer to the Power Box
3.3 Connecting the power supply unit to the Power Box
The Power Box can be charged while connected to the mains supply by
using the 6.2164.010 power supply unit that is provided with the 899
Coulometer.
Warning
An incorrect mains voltage can damage the Power Box.
Only operate the Power Box at the mains voltage for which it has been
specified. In addition, only use the power supply unit provided with the
899 Coulometer.
Proceed as follows:
1 Plug in the plug for the power supply unit at the mains connection
socket (2-1) for the Power Box.