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Par Sensor Photosynthetic Available 
Radiation Sensor
Manufacturer
LI-COR
Latest Calibration
Intercalibration with GUV
(date 5/96;2/97; 5/98)
Model LI 190SA
Height Relative 
to Waters' Surface
Range/units up to 10,000
umol s-1 m-2
400 - 700 nm
Environmental Limits
0.15% per oC
-40 to +65 oC
Accuracy +/- 5.0%
at room temp.;
Max nonlin.= 1.0%
Sample Time 
Average Time
1 sec intervals
15 min. avg
Resolution Sensitivity 5 uA per
1000 umol s-1 m-2
Characteristics
Si photovoltaic
Using mV adapter 2290
(604 ohm)
cosine corrected to 80o
Data Type: Average
Data