Display

3-1/2 digits.Max.indication1999

Range

2000W/m2 ,634Btu/(ft2 * h)

Resolution

0.1W/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 °Cbelow 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, RS-232 cable (for TES-1333R), CD software (For TES-1333R)