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RBRcoda³ PAR, RBRcoda³ rad PAR and narrow-band radiometers

Product Number:RBRcoda³ PAR, RBRcoda³ rad PAR and narrow-band radiometers
The RBRcoda³ PAR and RBRcoda³ rad optical radiometers feature a wide dynamic range, optimized cosine response, and excellent low-light detection, making them ideal for both moored and profiling applications. The sensors are easy to integrate into any RBR multi-parameter instrument, or connect directly via RS-232.

The RBRcoda³ PAR sensor provides uniform response to light in the PAR spectral range, while the RBRcoda³ rad is available in a variety of narrow-band light channels and channel widths.
  • Low power consumption
  • High accuracy
  • Wide dynamic range
  • Depths up to 2000m
  • RS-232 output
  • Compact and lightweight
 
Physical
Connector MCBH-6-MP
Diameter ~25mm
Length ~270mm (standard)
Depth rating 1000m (plastic)
2000m (titanium)
Weight (air) 170g (plastic)
330g (titanium)
Weight (water) 40g (plastic)
200g (titanium)
Power consumption
Supply voltage 6 to 18V (12V nominal)
≤2Hz sampling 77mJ/sample
>2Hz sampling 15mA/180mW at 12V
Optical radiometry
Dynamic range>5.5 decades
Absolute calibration1 ±5%
Linearity ±1%
Operating temperature range -5°C to 35°C
Cosine response error (water )±5% at 0-60° / ±10% at 61-82°
Azimuth error (water) ±1.5% at 45°
Out-of-band rejection>25dB (typical), OD 2.5
Photosynthetically active radiation
Wavelength range 400 to 700nm
Full scale range 0-5000µmol/m²/s (minimum)
Resolution ±0.010μmol/m²/s
Narrow-band wavelength channels
Centre wavelengths (CWL) 413 / 445 / 475 / 488 / 508 / 532 / 560nm
Full width at half-maximum (FWHM) 10nm (for all CWLs except 475nm)
25nm (for CWL 475nm only)
Full scale range 0-400μW/cm2/nm (minimum)
Resolution3 ±0.001μW/cm2/nm
1 RBR calibrates radiometers with NIST traceable references.>
2 Out-of-band rejection and resolution are wavelength dependent for narrow-band radiometers.
3 Resolution is wavelength dependent for narrow-band radiometers.
Note: Dark offset is internally temperature-compensated.

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