The SunScan plant canopy analyzer system uses field measurements of Photosynthetically Active Radiation (PAR) in crop canopies to provide valuable information about Leaf Area Index (LAI) and biomass production.

SunScan Probe type SS1
Active area	1 m x 13 mm wide, sensor spacing 15.6 mm
Spectral response	400 – 700 nm (PAR)
Measurement time	120 ms
Maximum reading	2500 µmol.m-2.s-1
Resolution	0.3 µmol.m-2.s-1
Linearity	better than 1%
Accuracy	± 10%
Analogue output	1 mV per µmol.m-2.s-1
Serial interface	RS232, 9 pin female ‘D’ connector
Environmental	IP65, 0 – 60° C working temp
Size & Weight	1300(l) x 100(w) x 130(h) mm, 1.7 kg
Power	4 x AA Alkaline cells (lifetime up to 1 year)

 

Sunshine Sensor type BF5
Output sensitivity total & diffuse	1 mV / µmol.m-2.s-1   PAR cosine corrected
Accuracy	Total ± 12%         ± 10 µmol.m-2.s-1 Diffuse ± 15%      ± 10 µmol.m-2.s-1
Temperature range	-20 to + 50 °C with alkaline batteries
Range	0 – 2500 µmol.m-2.s-1 (total & diffuse)
Spectral response	PAR (400-700 nm)
Power	2 x AA Alkaline cells (lifetime up to 1 year)
Input voltage	5 – 15 V DC (powered from SunScan)
Size & Weight	120 x 122 x 95 mm, 635 g

 

Rugged PDA type RPDA2
Screen	¼ VGA sunlight readable
Operating system	Windows Mobile 6
Display options	a) LAI b) PAR average c) ALL individual sensor readings
Environmental	IP67, -30 °C to 60 °C, 1.2 m drop test
Power	Rechargeable battery, 12 h continuous use
Memory	>100 MB available
Size & Weight	165 x 95 x 45 mm, 450 g

Channel science and technology has been dedicated to the teaching, scientific research and the sales, research and development of applied instruments in the fields of soil, plants, environment, hydrology, meteorology and animal physiology, ecology and environmental hydrology for many years.