Hach SC4500 Basic User Manual page 7

Figure 1 Product overview
1 Label for module installation and wiring information
2 USB connection for external USB box (WiFi or
cellular connection)
3 Expansion module (Slot 0)
4 Additional expansion module slots
(Slots 1, 2, 3 and 4)
5 Touchpad display
6 USB connection for data download and firmware
update
5
Dependent on controller configuration. The expansion modules are factory-installed based on
controller configuration.
5
7 USB cover
8 Electrical connections and fittings
9 Protective vent
10 Cover for module installation
11 High-voltage barrier
English 7