Water Quality



For maximum capability and flexibility, the Hydrolab DS5 offers the choice of any of Hydrolab’s 17 superior sensors on a multiprobe designed for either profiling or unattended monitoring.

Discontinued item.

Replacement sensors & spare parts still available for sale.



  • Available with Hach LDO Memory is included on every sonde Integrate one additional parameter RS-485 communications available Improved power management Seven built-in expansion ports configured to fit your specific needs Measures up to 16 parameters simultaneously Capable of measurements using any of Hydrolab’s 17 sensors Used for attended or unattended monitoring


  • Features Hydrolab’s superior sensor technology, the most complete line of sensors available on a multiprobe Engineered for dependable performance and durability in the field Flexible design for use in either profiling or long-term deployments The only multiprobe capable of simultaneous measurements with up to three optical probes (i.e., Turbidity, Chlorophyll a, and Blue-Green Algae)




Size: Outer diameter – 3.5”/8.9 cm

Length – 23”/58.4 cm

Weight: 7.4 lbs/3.35 kg (typical)
Communication Interface: RS-232, SDI-12, RS-485
Memory: Up to 120,000 measurements
Battery Supply: 8 C batteries (with internal battery pack option)
Operating Temperature: -5 to 50° C
Maximum Depth: 200 m

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