AQUAlogger 310TY Turbidity Logger

The AQUAlogger® 310TY is a compact instrument that measures turbidity to 10,000FTU (typical), with optional integral temperature and pressure sensors. The logger also features a tool to convert turbidity to suspended sediment concentration using in situ samples. It can be used in freshwater and ocean environments, with shallow and deep water models.

Key Features

  • Measure turbidity to >10,000FTU
  • Convert turbidity to suspended sediment concentration with the SSC Converter tool
  • Optional automatic wipers to minimise the impact of biofouling
  • Quick start by swiping a magnet against the logger
  • Shake the logger to check the status
  • Flexible sampling – options for continuous and burst sampling, delayed start, variable sample rates, intermittent logging and averaging


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Sediment Solved

  • Measure turbidity to over 10,000 FTU
  • Convert turbidity to suspended sediment concentration with the SSC Converter tool
  • Add integral temperature and pressure sensors
  • Models for shallow and deep water deployments

User-friendly features

  • Quick start – swipe the logger with a magnet to start deploying
  • Shake to show – check the logger’s status by shaking twice. A light indicates whether the instrument is logging, waiting to start, not deployed or has a low battery.
  • Off-the-shelf batteries – user-changeable standard AA size batteries available worldwide – purchase locally or order directly. Choose between alkaline, lithium or NiMH batteries to suit the deployment.

Deploying the logger

Four methods of setting up the instrument depending on the complexity of the deployment:

  • Basic – delayed start, burst sampling
  • Advanced–triggered logging, NMEA output, variable sample rates, sample averaging, intermittent logging
  • Re-deploy – redeploy the logger using the last regime
  • Pre-defined – load a previously saved regime file

Accessing the data

  • Log the data and access it later
  • View in real-time with a live view via a cabled connection
  • Upgrade to access your data wirelessly on the surface with Bluetooth-enabled Windows devices
  • Access your data subsea with Aquatec’s field-swappable comms modules:
    • Subsea display for data visualisation
    • Optical modem for short-range interrogation, commanding and data download with ROVs or divers
    • Acoustic modem for transmission of real-time readings





Sensor specification

 Turbidity Optical backscatter sensor

Maximum >10,000FTU

Pressure 11 bar (~100m) – standard
5 bar (~40m), 51 bar (~500m), 101 bar (~1000m) – select range
201 bar (~2000m), 401 bar (~4000m), 601 (~6000m) – deep water range±0.2% FS accuracy*, 0.01% FS resolution
High accuracy sensors available in custom models
Temperature ±0.05°C accuracy, 0.001°C resolution

Logger specification

Parameters Turbidity, battery voltage – all models
Pressure, temperature – selected models
Depth, suspended sediment concentration – derived parameters
Memory 64 MB in non-volatile FLASH (standard)
128MB (Upgrade option 1) – 384MB (Upgrade option 2)
Logging lifetime Depends on logging parameters – up to 1 year
Data retention >20 years
Sampling Burst or continuous
Aquisition rate Up to 8 Hz depending on sensors
Burst averaging Flexible averaging of multiple samples within burst
Communication RS232 or RS422 (specify) and USB

Optional wireless communication upgrade

External interfaces Compatible comms modules: display, optical modem, acoustic modem
Battery 4 x AA cells – selected from alkaline, lithium or NiMH
Software AQUAtalk for configuration and download, including SSC Converter
Maximum depth 1000m – standard model
6000m – deep water model
Material Acetal – standard model

Duplex – deep water model

Weight <3 kg in air – standard model

<5 kg in air – deep water model

Dimensions Diameter – 60 mm, Length – 360 mm

Data Sheet



  • Water quality monitoring in rivers and lakes
  • Dredge Monitoring
  • Hydropower monitoring
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