Radiometers
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MultiWaveLength
Profiling Reflectance Radiometers
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 | PRR-800
Standard High-Resolution Profiling
Reflectance Radiometer. Measures vertical profiles of 15 wavelengths each of downwelling irradiance and upwelling radiance, water temperature, detector
array temperature, roll and pitch, and depth/pressure.
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| PRR-800S
For Turbid or Coastal Waters: Split
High-Resolution Profiling Reflectance Radiometer. The split configuration
separates the radiance and irradiance heads and orients them in a lowering
frame so that the collectors are aligned on the same optical plane. Measures
vertical profiles of 15 wavelengths each of downwelling irradiance and
upwelling radiance, water temperature, detector array temperature, roll and
pitch, and depth/pressure.
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| PRR-810
High-Resolution Reflectance Radiometer
Surface Sensor. Cosine corrected for use in air. Measures 15 wavelengths of
downwelling irradiance above the water surface
during profiles with matching the PRR-800 or PRR-800S.
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| PRR-800
Standard High-Resolution Profiling
Reflectance Radiometer. Measures vertical profiles of 15 wavelengths each of
downwelling irradiance and upwelling radiance, water temperature, detector
array temperature, roll and pitch, and depth/pressure.
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| PRR-2600
High-resolution Profiling Reflectance Radiometer
System. Measures vertical profiles of 8 wavelengths each, both downwelling
irradiance and upwelling radiance. SeaWiFS wavelengths are standard, but
users may select from a variety of wavelengths.
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| PRR-2600S
For use in Turbid or Coastal Waters, Split
High-Resolution Profiling Reflectance Radiometer. The split configuration
separates the radiance and irradiance heads and orients them in a lowering
frame so that the collectors are aligned on the same optical plane. Measures
vertical profiles of 8 wavelengths each of downwelling irradiance and
upwelling radiance, water temperature and depth/pressure. SeaWiFS
wavelengths standard.
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| PRR-2610
Surface Reference Radiometer for PRR-2600 or
PRR-2600S. Cosine corrected for use in air. Measures 8 wavelengths of
downwelling irradiance above the water surface during profiles with the
PRR-2600 or PRR-2600S.
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| PRR-2700
Downwelling Irradiance Profiling System. Measures
vertical profiles of 8 channels of downwelling irradiance, water
temperature and depth/pressure.
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PUV Profiling Ultraviolet Radiometers
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| PUV-2500
Profiling Ultraviolet Radiometer System. Logs and
measures vertical profiles of 7 wavelengths of downwelling irradiance with 1
channel measuring upwelling radiance, and water temperature, 350 m full
scale depth. Typical irradiance bands are 305, 313, 320, 340, 380, 395 nm
and PAR (400-700 nm). Typical radiance is natural fluorescence.
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| PUV-2510
Surface Sensor for the PUV-2500. Radiometrically
matched to the underwater instrument and cosine corrected for use in air.
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Atmospheric Radiometers
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| SUV-150
Ground-based High-Resolution UV-Visible Scanning Spectroradiometer.
Measures UV and visible irradiance from 280 to 600 nm with 0.7 nm bandwidth.
The design is based on instruments proven in the National Science Foundation
UV Monitoring Network that have been in operation since 1988 in Antarctica,
the Arctic, South America, and California. Each instrument is temperature
controlled and optimized to meet the specific needs of the customer.
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| WLR-2800
Atmospheric Radiance Monitoring System. Very wide dynamic range system
measures 15 wavelengths of sky radiance, water leaving radiance above the
water surface or even the direct component from the solar disk.
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| GTR-2800
Atmospheric Irradiance Monitoring System. Very wide dynamic range system
cosine corrected for use in air. Measures 15 wavelengths of downwelling
irradiance above the water surface.
 | Brochure |
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| GUV-511
Standard Ground-based Ultraviolet and PAR Monitoring System. Ideal for
long-term UV monitoring, or as an AC powered surface reference for the
PUV-500. It is temperature-controlled and measures downwelling irradiance in
the UV at 305, 320, 340, 380 nm and in the visible over PAR (400-700 nm).
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| GUV-541
313 nm Equipped Ground-based Ultraviolet Radiometer System. Ideal for
long-term UV monitoring. It is temperature-controlled and measures 5
channels of surface UV irradiance at 305, 313, 320, 340 and 380 nm.
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| GMR-610
Ground-Based Multiwavelength Radiometer. This is a stand-alone version
of the PRR-610. Measures 7 wavelengths of downwelling irradiance as a
function of time.
| Brochure |
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Fluorometers
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Natural Fluorometers
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PNF-300
Profiling Natural Fluorometer. Measures vertical profiles of natural (solar
stimulated) fluorescence (Lu(chl) -- upwelling radiance), scalar irradiance over
PAR (400-700 nm), water temperature, pressure/depth, and battery voltage. System
also records time series of scalar PAR at the surface using QSR-240 quantum
scalar sensor. Calculated values include photosynthetic rates, volume
fluorescence, and chlorophyll concentration.
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PAR Sensors
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Underwater Cosine
PAR
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| QCP-2100
Quantum Cosine PAR Sensor with digital signal output, allowing direct
connection to a PC or laptop computer. Measures cosine-corrected
underwater PAR (Photosynthetically Available Radiation: 400-700 nm)
irradiance.
| Brochure |
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| QCP-2200D
Depth-equipped Quantum Cosine PAR Profiling Sensor Combination. Two
channel output. Irradiance channel output voltage is proportional to
incident PAR (Photosynthetically Available Radiation: 400-700 nm)
irradiance. Cosine corrected for use underwater to depths up to 300 m.
Analog voltage output of pressure transducer proportional to depth
(300 m).
| Brochure |
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| QCP-2300
Log Output Quantum Cosine PAR Profiling Sensor. For use with 12 bit ADC
systems. Single channel analog output voltage is proportional to the
log of incident PAR (Photosynthetically Available Radiation: 400-700
nm) irradiance. Cosine corrected for use underwater to depths up to
1,000 m.
| Brochure |
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QCD-900L
Titanium
10,000 m Quantum Cosine PAR Sensor with Log Output. For depths to 10,000 m and
12 bit ADC systems. Single channel analog output voltage is proportional to the
log of incident PAR (Photosynthetically Available Radiation: 400-700 nm)
irradiance.
| Brochure |
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QCD-905L
Aluminum 10,000 m Quantum Cosine PAR Sensor with Log Output. For depths to
10,000 m and 12 bit ADC systems. Single channel analog output voltage is
proportional to the log of incident PAR (Photosynthetically Available Radiation:
400-700 nm) irradiance.
| Brochure |
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Surface Reference
Cosine PAR
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| QCR-2000
Surface Cosine PAR Sensor. For measurement of incident PAR (Photosynthetically Available Radiation: 400-700 nm) irradiance. Cosine corrected for use in
air. Used as surface reference for data from underwater cosine PAR sensors.
| Brochure |
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Underwater Scalar
PAR
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| QSP-2100
Quantum Scalar Profiling Sensor with digital
signal output, allowing direct connection to a PC or laptop computer.
Measures underwater scalar PAR (Photosynthetically Available
Radiation: 400-700 nm). Logger-2100 data-acquisition software is
included for live display or time series logging of calibrated
values.
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| QSP-2200
Quantum
Scalar Profiling Sensor with analog signal output. Measures underwater scalar
PAR (Photosynthetically Available Radiation: 400-700 nm) irradiance. Can be
deployed in depths up to 2,000 m.
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QSP-2200D
Depth
equipped Quantum Scalar PAR Sensor Combination. Two channel analog output.
Irradiance channel analog output voltage is proportional to incident PAR (Photosynthetically
Available Radiation: 400-700 nm) irradiance. Analog voltage output of pressure
transducer proportional to depth (300 m).
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QSP-2300
Log Output
Quantum Scalar PAR Sensor. For use with 12 bit ADC systems. Single channel
analog output voltage is proportional to the log of incident PAR (Photosynthetically
Available Radiation: 400-700 nm) irradiance.
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Surface Reference
Scalar PAR
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QSR-2100
Surface
Reference Quantum Scalar PAR Sensor with digital signal output, allowing direct
connection to a PC or laptop computer. Measures 2pi hemispherical scalar PAR (Photosynthetically
Available Radiation: 400-700 nm) irradiance above the water surface.
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QSR-2200
Surface
Reference Quantum Scalar PAR Sensor with analog signal output. Measures 2pi
hemispherical scalar PAR (Photosynthetically Available Radiation: 400-700 nm)
irradiance above the water surface.
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Laboratory PAR
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| QSL-2100
Digital Output Laboratory
Quantum Scalar PAR Meter with 1.91 cm collector. Wand-type scalar
PAR (Photosynthetically Available Radiation: 400-700 nm) sensor ideal for
laboratory or field use in fluids up to 34 cm in depth. Collector
is 1.9 cm in diameter.
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| QSL-2101
Digital Output Quantum
Scalar Laboratory Meter with 1.25 cm collector. Wand-type scalar PAR
(Photosynthetically Available Radiation: 400-700 nm) sensor ideal for laboratory
or field use in fluids up to 34 cm in depth.
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| QSL-2200
Laboratory Quantum Scalar PAR
Sensor with analog voltage output. Hand-held sensor measures scalar PAR (Photosynthetically
Available Radiation: 400-700 nm). The QSL utilizes a scalar collector that is 25
cm long and 1.9 cm in diameter, making it ideal for
laboratory or field use in fluids up to 34 cm in depth.
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| QSL-2201
Laboratory Quantum Scalar PAR
Sensor with analog voltage output. Hand-held sensor measures scalar PAR (Photosynthetically
Available Radiation: 400-700 nm). The QSL utilizes a scalar collector that is 25
cm long and 1.25 cm in diameter, making it ideal for
laboratory or field use in fluids up to 34 cm
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