RBRcoda PAR (LI-COR)

The RBRcoda PAR (LI-COR) instruments (Fig. 11) use cabled cosine (one hemisphere, LI-192) or spherical (omnidirectional, LI-193) sensors.

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Fig. 11.    RBRcoda PAR (LI-COR) variants. (a) Cosine PAR sensor. (b) Spherical PAR sensor

PAR

Parameter Value

Wavelength range

400 to 700nm

Calibrated range

0 to 10000µmol/m2/s

Initial accuracy

±2%

Physical

Parameter Value

Housing

Plastic

Diameter

~25mm

Length

~265mm (~300mm with connector)
cable 0.6m

Weight

460g in air, 240g in water (cosine)
400g in air, 100g in water (spherical)

Depth rating

Up to 560m (cosine)
Up to 350m (spherical)

Sampling rate

2Hz

Power

Parameter Value

Supply voltage

6V to 18V (12V nominal)

Power

10mA (120mW)