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RBRmaestro³ C.T.D

RBR's most flexible, option-packed, multi-channel logger.

RBR's multi-parameter, multi-channel loggers are designed to provide you with the flexibility to select the right combination of sensors for your water quality measurements. The choice of up to ten sensors can be integrated with the logger. The loggers are available in two configurations: one for autonomous deployment and one for water column profiling.

  • RBRmaestro³ C.T.D
RBR
359 Terry Fox Drive
K2K 2E7 Ottawa, Ontario
Canada
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Description

RBR's multi-parameter, multi-channel loggers are designed to provide you with the flexibility to select the right combination of sensors for your water quality measurements. The choice of up to ten sensors can be integrated with the logger. The loggers are available in two configurations: one for autonomous deployment and one for water column profiling. The recorders can be equipped with data and power connections to facilitate remote access or remote data acquisition. There are a number of different sensors that can be used with the recorders, for example, Conductivity, Temperature, Depth, pH, ORP (RedOx), Dissolved Oxygen, Fluorescence, Turbidity, Transmittance, PAR, and others.

Features include:

- 240M readings
- Up to 16Hz sampling
- USB-C download
- Twist activation
- Wi-Fi ready
- Supports 3 to 10 channel combinations
- Realtime communication with USB, RS-232, or RS-485

Available Sensors: Conductivity, Temperature, Pressure (Depth), Dissolved Oxygen, Fluorescence, ORP, PAR, pH, Transmissance, Turbidity, and Voltage

Features

  • Submersible, autonomous 24-bit data logger
  • 16Hz maximum sampling rate
  • 240M readings
  • Up to ten sensors in custom configurations can be integrated
  • Sensors include Conductivity, Temperature, Depth (Pressure), pH, ORP(RedOx), Dissolved Oxygen, Fluorescence, Turbidity, Transmittance, PAR, and many others in any combination
  • C, T, D and DO are measured to WOCE standards
  • All calibration constants are stored in the logger
  • Re-calibration of many sensors may be carried out by the end-user under suitable conditions
  • 8 AA cells
  • USB-C download
  • Optional RS-232 or RS-485 serial communication allows real-time operation over long cable links using the Ruskin application
  • Mooring clamps and cages are optional and rugged transit cases are recommended
  • Deep and shallow water versions
  • Averaging
  • Thresholding capability (logger only samples while submerged or under specific conditions)

 

Features of the RBRmaestro³|fast (Profiling)

The |fast profiling version of the RBRmaestro³ logger includes all of the above features, plus:

  • 8 or 16Hz maximum sampling rate options
  • Optionally, a fast response dissolved oxygen sensor (Response: approximately 1 sec for 63% at 25°C)
  • Intermittent and continuous burst ability

Specifications

  • Year of initial development
    2011
  • Weight in air [kg]
    1
  • Diameter [mm]
    0.064
  • Length [mm]
    0.49
  • Max. cable length [m]
    100
  • Housing Material
    Plastic or titanium
  • Battery type
    8 AA cells
  • Battery duration [hr]
    Configuration dependent
  • Battery
    Y
  • Max. depth [m]
    2000
  • Max. pressure [bar]
    6000
  • Operating temperature: min. [°C]
    -5
  • Operating temperature: max. [°C]
    35
  • Max. conductivity [S/m]
    8.5
  • Resolution of conductivity [10^-3 S/m]
    0
  • Uncertainty of conductivity [10^-3 S/m]
    0
  • Min. temperature [°C]
    -5
  • Max. temperature [°C]
    35
  • Resolution of temperature [°C]
    0.0001
  • Uncertainty of temperature [°C]
    0.002
  • Resolution of pressure [% FS]
    0.001
  • Uncertainty of pressure [% FS]
    0.05
  • Pressure sensor
    Y
  • Min. time increment [s]
    0.166
  • Resolution of salinity [psu]
    0.001
  • Uncertainty of salinity [psu]
    0.003
  • Standard sensor
    Conductivity, Temperature, Pressure
  • Description of additional sensors
    pH, ORP, DO, Tu, Fl, PAR, Tr
  • No. of additional sensors
    10
  • Max. number of samples for self-recording [10^3]
    120000
  • External recorder required
    N
  • Dedicated surface data logger
    N
  • Dedicated sub-surface data logger
    Y
  • Telemetry link to remote location
    Y
  • Recording with third party software
    Y
  • Software name
    Ruskin
  • Graphical presentation
    Y
  • Raw data editing
    Y
  • Re-computation with raw data
    Y
  • CTD Probe controller
    Y
  • Data display on dedicated hardware
    N
  • Distinguishable features
    inductive cell, sea surface salinity, can be frozen USB interface

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