LI-COR LI-193 Underwater Spherical PAR Sensor

The LI-COR LI-193 Underwater Spherical Quantum sensor accurately gives an added dimension to underwater PAR measurements.

Features

  • Uses computer-tailored filter glass to achieve the desired quantum response
  • Calibration is traceable to NIST
  • Features corrosion-resistant, rugged construction for use in up to 350m depths
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ImagePart#Product DescriptionPriceStockOrder
LI-COR LI-193 Underwater Spherical PAR SensorLI-193SA LI-193 underwater spherical PAR sensor with microamp output, requires underwater cable
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ImagePart#Product DescriptionPriceStockOrder
LI-COR 2222UWB Underwater Cables 2222UWB-3 Underwater cable, 3m
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LI-COR Underwater PAR 2222UWB-10 Underwater cable, 10m
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LI-COR Underwater PAR 2222UWB-30 Underwater cable, 30m
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LI-COR Underwater PAR 2222UWB-50 Underwater cable, 50m
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LI-COR Underwater PAR 2222UWB-100 Underwater cable, 100m
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LI-COR LI-250A Light Meter LI-250A Light meter
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LI-COR LI-1500 Light Sensor Logger LI-1500 Light sensor logger
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LI-COR Underwater PAR Sensor Lowering Frame 2009S Lowering frame for LI-COR underwater PAR sensors
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LI-COR Sensor Millivolt Adapters 2291 Sensor millivolt adapter (1210 Ohm resistor), for use with LI-192SA & LI-193SA sensors
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NexSens X2-SDL Submersible Data Loggers X2-SDL X2-SDL submersible data logger
$2,495.00
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NexSens CB-50 Data Buoy CB-50 Data buoy with polymer-coated foam hull, 50 lb. buoyancy
$1,995.00
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The LI-COR LI-193 Underwater PAR Sensor gives an added dimension to underwater PAR measurements as it measures photon flux from all directions. This measurement is referred to as Photosynthetic Photon Flux Fluence Rate (PPFFR) or Quantum Scalar Irradiance. This is important, for example, when studying phytoplankton, which utilize radiation from all directions for photosynthesis. The LI-193 features a high sensitivity optical design and compact, rugged construction for use in freshwater or saltwater and pressures up to 493 psi or 350 meter depths.

The sensor includes built-in voltage outputs for interfacing with NexSens iSIC and SDL data loggers. Sensor cable can be factory-connectorized with NexSens underwater connectors for integration to an SDL submersible data logger sensor port. Data collection options include direct-connect, landline phone, cellular, radio, Ethernet, WI-FI, and satellite telemetry. NexSens iChart Software is a Windows-based program for interfacing both locally (direct-connect) and remotely (through telemetry) to a NexSens data logger or network of data loggers.
  • Absolute Calibration: +/-5% in air traceable to NBS
  • Sensitivity: Typically 7 uA per 1000 umol s-1 m-2 in water
  • Linearity: Maximum deviation of 1% up to 10,000 μmol s-1 m-2
  • Stability:< +/-2% change over a 1 year period
  • Response Time: 10 us
  • Temperature Dependence: +/-0.15% per C maximum
  • Angular Response:< +/-4% error up to +/- 90 degrees from normal axis
  • Azimuth:< +/-3% error over 360 degrees at 90 degrees from normal axis
  • Detector: High stability silicon photovoltaic detector (blue enhanced)
  • Sensor Housing: Corrosion resistant metal with acrylic diffuser for both saltwater and freshwater applications
  • Waterproof: withstands 500 psi pressure (350 meter depths)
  • Size: 6.1cm Dia. globe; 3.18cm dia. housing; 10.7cm H
  • Weight: 142g
  • Mounting: (3) 6-32 holes are tapped into the base for use with the 2009S Lowering Frame or other mounting devices
  • Cable: Requires 2222UWB Underwater Cable
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