Typically within ± 10W/m2[ ±3 Btu / (ft2*h) ] or ±5% , whichever is greater in sunlight; Additional temperature induced error ±0.38W/m2 / [ ±0.12 Btu / (ft2*h)/ ] from 25
Angular accuracy
Cosine corrected <5% for angles <60 °
Drift
<±2% / per year
Calibration
User recalibration available
Over-input
Display shows" "
Sampling Time
Approx. 0.4 second
Manu data memory and read
99 sets
Battery
4pcs size AAA
Battery Life
Approx. 100 hours
Operating temp and humidity
0 to 50 below 80%RH
Storage temp and Humidity
-10 to 60 below 70% RH
Weight
Approx. 165g
Dimension
111(L)*64(W)*34(H)mm
Accessories
Carrying Case, Operation Manual, 4 pcs size AAA
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