Specification: Display 3-1/2 digits.Max.indication1999 Range 2000W/m 2 ,634Btu/(ft 2 * h) Resolution 1W/m2,1Btu/(ft2*h) Spectral response 400-1100nm 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 Auto data memory — Battery 4pcs size AAA(not include) Battery Life Approx. 100 hours Operating temp and humidity 0 *C to 50*C below 80%RH Storage temp and Humidity -10 *C to 60 *C below 70% RH Weight Approx. 165g Dimension 111(L)*64(W)*34(H)mm Accessories Carrying Case, Operation Manual, RS-232 Notes:Shipping company does not accept liquids and powders and dry batteries
