Range
4000W/m2, 634Btu/(ft2*h)
Resolution
1W/m2, 1Btu/(ft2*h)
Accuracy
typically within 10W/m2[+/-3 Btu / (ft2*h) ] or +/-5% ,
whichever is greater in sunlight; Additional temperature
induced error 0.38W/m2 / ºC [+/- 0.12 Btu / (ft2*h)/ ºC ]
from 25ºC
Angular accuracy
Cosine corrected <5% for angles <60 ºC
Sampling Time
Approx. 0.25 second
Weight
Approx. 80g
Dimension
108(L) x 48(W) x 23(H)mm
Power
2 batteries 1.5V AAA.