3.2 30-cm CH and 30-cm CHC module serial numbers
Each system instrument or device bears a serial number that facilitates service and support. The
serial numbers for the 30-cm CH and 30-cm CHC modules are located on printed labels on the
device’s rear panel and inside the compartment on the left-hand side panel.
Be prepared to provide the serial numbers of the instruments in your system when you contact
Waters customer support.
Figure 3–1: Serial number label locations for 30-cm CH and 30-cm CHC modules
Serial number label on rear panel
Serial number label on left-hand side panel inside compartment
December 5, 2017, 715004751 Rev. C
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