HyperOCR Hyperspectral Radiometer

Hyperspectral radiometers, with a calibrated range of 350 - 800 nm and fully characterized cosine response, are designed to be mounted on real-time profilers, coastal and deep water buoys, autonomous underwater vehicles, research vessels and airplanes.

 

Characteristics

Irradiance Air

Irradiance Water

Radiance Air

Radiance Water

SPATIAL
Field of View
Cosine RMS Error 3% 0 - 60ºCosine RMS Error 3% 0 - 60º11.5° Half-angleHalf-radiance8.5º Half angle Half-radiance
 10% 60 - 85º10% 60 - 85º  
 (350-800 nm)(350-800 nm)3  

ELECTRICAL

Typical Noise Equvalent (Ir)Radiance*1.0 x 10-31.5 x 10-35.3 x 10-59.0 x 10-5
 (μW cm-2 nm-1)(μW cm-2 nm-1)(μW cm-2 nm-1 sr-1)(μW cm-2 nm-1 sr-1)
Saturation*9.013.50.50.8
*At 500nm with 1024 ms integration time(μW cm-2 nm-1)(μW cm-2 nm-1)(μW cm-2 nm-1 sr-1)(μW cm-2 nm-1 sr-1)

PHYSICAL

Height:
Diameter:
Weight:
Depth Rating:
Operating Temperature:
39.9 cm
6.0 cm
1.0 kg
300 m
-10 to +50 ºC
39.9 cm
6.0 cm
1.0 kg
300 m
-10 to +50 ºC
36.2 cm
6.0 cm
1.0 kg
300 m
-10 to +50 ºC
36.2 cm
6.0 cm
1.0 kg
300 m
-10 to +50 ºC

 

Optical Characteristics

Spectrograph range:305 - 1100 nm
Factory calibration:350 – 800 nm
Spectral sampling:3.3 nm/pixel
Spectral accuracy:0.3 nm
Spectral resolution:10 nm
Stray light:<1×10-3
Detectors:256 channel silicon photodiode array
Entrance Slit:70 x 2500 μm
Pixel Size:25 x 2500 μm

 

Electrical Characteristics

Acquisition module:16 bit ADC
Integration time:4 - 2048 ms (adaptive gain feature),
 1 ms resolution
Frame rate:3 Hz (at 128 ms integration time)
Data rate:9600 – 115200 bps (user selectable)
Telemetry interface:RS-422 / RS-232 (isolated)
Network Interface:Proprietary Satlantic RS-485 SatNet
 (isolated)
Power requirements:9 – 18 or 18 – 72 VDC
 (2 Watts nominal)