
SC4500 Controller
Universal controller for HACH digital and analogue sensors: the hub of Blue Drop and Green Drop panels.
- mA
- outputs
- Digital
- protocols
- Remote
- access

Optical DO sensor for activated-sludge aeration control, with no membranes or electrolyte.
Measures
Monitoring dissolved oxygen with the LDO sc probe keeps enough oxygen in the activated-sludge process for biological treatment, and helps cut energy use through controlled air addition.
| Brand | HACH |
|---|---|
| Principle | Luminescent (optical) |
| Maintenance | No membrane or electrolyte |
| Integration | HACH sc controllers |
Key specifications summarised from manufacturer information. Confirm against the current datasheet before ordering.

Universal controller for HACH digital and analogue sensors: the hub of Blue Drop and Green Drop panels.

Online suspended-solids and sludge-blanket measurement for clarifiers, thickeners and settling basins.
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