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Observator 100 years

Analite NEP-595 Turbidity Logging Probe

The Analite NEP-595 turbidity probes can monitor and log turbidity in a sturdy self-contained package that is easy to set up and easy to selectively download the data collected. The NEP-595 is an all-in-one device that contains a configurable SDI-12 data logger and rechargeable battery designed for long-term operation.

Long-term turbidity logging probe
The system operates at depths up to 50 metres and can be ordered with temperature logging and solar power input as an option.

The integrated NEP-5000 turbidity probe can be removed for maintenance and calibration.

Field service ability
Logged data can be retrieved in multiple methods. The system uses dual SD cards for data logging, hence user may either swap SD cards in field, or connect an USB cable directly to the logger to copy data files directly to a laptop. Operators may swap batteries in field, in order to run continuous operations without needing to bring the logger back for charging.

When using the battery on its own with the NEP-5000 sensor, the system is capable of logging up to 5 months in 20 minute-intervals or indefinite use when connected with a 20W solar panel.


  • Field rechargeable, replaceable battery: built-in Lithium-ion batteries have a capacity of 144Wh which can be charged via simple DC plug-pack or optional solar input. Thus, providing ideal solution for data-buoys and river monitoring applications.
  • Operating temperature: -5°C (non-freezing) to 50°C.
  • Storage temperature: -10°C to 55°C.
  • Construction: outer tube construction with polycarbonate tube and a structural support using a stainless steel chassis. The probe interface assembly and the rear electrical interface assembly is made from Delrin plastic.
  • Weight: 1.7kg – including batteries.
  • Depth-rating: 52m (170ft) static water column.

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