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

Accuracy

Typically within  ±10W/m2[ ±3 Btu / (ft2*h) ] or ±5% , whichever is greater in sunlight; Additional temperature induced error ±0.38W/m2 / °c [ ±0.12 Btu / (ft2*h)/ °c] from 25°c

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

32000 sets (TES-1333R)

Battery

4pcs size AAA

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, 4 pcs size AAA(not included), RS-232 cable and Driver CD