In-situ Marine Optics
  • IMG 2889

MS9

MS9

A nine wavelength multispectral light sensor designed for underwater applications, including photosynthesis studies.

 

 

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Features

  • Spectrally-resolved planar irradiance or radiance sensor
  • Integrated wiper, parking and copper componentry to minimise marine fouling
  • User-programmable sampling with ultra low power ‘sleep’ mode
  • Internal Real-Time-Clock and tilt sensor
  • RS-232 telemetry port
  • WiFi download
  • Internal calibration coefficient storage
  • Optional integrated pressure and temperature sensors

Specifications

Detectors9 x Si photodiodes
Wavelengths (nm)410, 440, 490, 510, 550, 610, 660, 685, 710 (factory customisable)
Spectral response10 nm Full-Width-Half-Maximum
Irradiance cosine response<3% (0 – 60°)
Radiance FOV5° (in-air)
CalibrationNIST traceable radiometric calibration
Range0 – 400 µW cm-2 nm-1 (factory customisable)
Resolution (NEI)2.5e-3 µW cm-2 nm-1
 
Acquisition9 independent 24 bit ADCs
Sampling Rateconfigurable up to 5 Hz
ProtocolRS-232 (configurable baudrate)
WiFi Downloadyes
Input Voltage7 – 24 VDC
Power Consumption40 mA @ 12 VDC (250 mA during wipe), 60µA sleep
ConnectorMicro WET-CON MCBH6M
 
Length148 mm (connector + 36 mm)
Diameter67 mm
Weight630 g in-air, 150 g in-water
MaterialsAcetal, Copper, PTFE, SS316, Quartz
Depth Rating300 m
Operating Temperature-20 to +50 °C

Software

IMOview

IMOview is GUI program that allows users to easily configure and display real-time data via serial communication.

Contact Sales to download the latest version.

For Microsoft Windows platforms.