A combination of precision optics and high performance microelectornics

OCR 500 Multispectral Radiometer

A combination of precision optics and high performance microelectronics which can be operated as a stand-alone device or in a networked environment as a part of a larger system.

OCR-500 SERIES IRRADIANCE SENSOR - STANDARD AND AUV SERIES

The OCR-500 micro-sensor series is a fully digital optical sensor package that combines precision optics and high performance microelectronics.  Satlantic designed this sensor series for applications where performance, size and power are key constraints. The OCR-500 series radiometers can be mounted on real-time profilers, moored, and autonomous deepwater buoys and autonomous underwater vehicles (AUV’s).


DOWNWELLING IRRADIANCE SENSOR MODEL OCR-504 / 507 / AUV

SPATIAL CHARACTERISTICS

Field of viewIn-air or in-water Cosine response (Spectrally corrected)
Collector Area86.0 mm2
DetectorsCustom 17 mm2 Silicon photodiodes

SPECTRAL CHARACTERISTICS

Bandwidth range400 - 865 nm standard
Number of channels4 or 7 channels
Spectral bandwidth10 nm or 20 nm
Filter typeIon Assisted Deposition (IAD) Custom low fluorescence

OPTICAL CHARACTERISTICS

Out of band rejection10-6
Cosine Response3% from 0-60°
10% from 60-85°
Typical saturation300 µW cm-2 nm-1
Typical Noise equivalent irradiance (NEI)2.5 X10-3 µW cm-2 nm-1
 

TEMPORAL CHARACTERISTICS

System time constant0.011 seconds

ELECTRICAL CHARACTERISTICS

Telemetry optionsRS232, RS422
Network optionsRS232, RS485 SATNET
Input voltage6 to 22 VDC (12-volt nominal)
Current (4 and 7 channel)25 mA @ 12VDC
40 mA at 12V

PHYSICAL CHARACTERISTICS

Height (4 and 7 channel)11.0 cm, 12.5 cm
Diameter4.6 cm, 6.5 cm
Weight
260 grams, 420 grams
MaterialAcetron/Anodized Aluminum
Connector (standard)Micro 8 pin male
Maximum depth

OCR-504 350 m (AcetronGP)
OCR-504 2000 m (PEEK)

OCR-504 UV 200 m (AcetronGP)

OCR-507 350 m (AcetronGP)
OCR-507 1000m (PEEK)

OCR-504 AUV 1000 m (Anodized Aluminum)
OCR-507 AUV 1000 m (Anodized Aluminum)

SYSTEM ELECTRONICS

Sample rate7Hz (24 Hz optional)
A/D conversio24 bit
Dynamic range18 bit
Telemetry RS232, RS422
Data formatBinary
Baud rateUser selectable from
9.6 to 115.2 kbps

 

OCR-500 SERIES RADIANCE SENSOR - STANDARD AND AUV SERIES

The OCR-500 micro-sensor series is a fully digital optical sensor package that combines precision optics and high performance microelectronics. Satlantic designed this sensor series for applications where performance, size and power are key constraints. The OCR-500 series radiometers can be mounted on real- time profilers, moored, and autonomous deepwater buoys and autonomous underwater vehicles (AUV’s).

UPWELLING RADIANCE SENSOR MODEL OCR-504 / 507/ AUV

SPATIAL CHARACTERISTICS

Field of view
 

10° in water (Half angle, half maximum)
14° in air (Half angle, half-maximum)

Entrance aperture9.5 mm diameter
DetectorsCustom 13 mm2 Silicon photodiodes

SPECTRAL CHARACTERISTICS

Bandwidth range400 - 865 nm standard
Number of channels4 or 7 channel
Spectral bandwidth10 nm or 20 nm
Filter typeIon Assisted Deposition (IAD)
Custom low fluorescence

OPTICAL CHARACTERISTICS

Out of band rejection10-6
Out of field rejection5X10-4 >1.5 FOV
Typical saturation5 µW cm-2 nm-1 1sr-1
Noise equivalent radiance (NER)300 x10-3 µW cm-2 nm-1 sr-1

TEMPORAL CHARACTERISTICS

System time constant0.011 seconds

ELECTRICAL CHARACTERISTICS

Telemetry optionsRS232, RS422
Network optionsSatNet RS485
Input voltage25 mA @ 12VDC
Current (4 or 7 channel)40 mA at 12V

PHYSICAL CHARACTERISTICS

Height (4 or 7 channel)
 
11.0 cm, 12.5 cm
Diameter (4 or 7 channel)4.6 cm, 6.4 cm
Weight260 grams, 400 grams
Housing MaterialAcetron / Anodized Aluminum
Connector (standard)Micro 8 pin male
Maximum depth

OCR-504 350 m (AcetronGP)
OCR-504 2000 m (PEEK)

OCR-504 UV 200 m (AcetronGP)

OCR-507 350 m (AcetronGP)
OCR-507 1000 m (PEEK)

OCR-504 AUV 1000 m(Anodized Aluminum)
OCR-507 AUV 1000 m (Anodized Aluminum)

SYSTEM ELECTRONICS

Sample rate7Hz (24 Hz optional)
A/D conversion24 bit
Dynamic range18 bit
TelemetryRS232, RS422
Data formatBinary
Baud rateUser selectable from 9.6 to 115.2 kbps

Specifications may change without notice.