specification:

Display LCD display, 4-digit reading

Measuring range 2000W / m2, 634Btu / (ft2 * h)

Resolution 0.1W / m2, 0.1Btu / (ft2 * h)

Overload indicator The 'OL' symbol appears on the display

Spectral response 400 ~ 1100nm

Accuracy ± 10W / m2 (± 3Btu / (ft2 * h)) or ± 5% of the largest readings.

Temperature coefficient ± 0.38W / m2 / ℃ (± 0.12Btu / (ft2 * h) / ℃) Deviation from 25 ℃

Angle accuracy Cosine correction <5% (angle <60 °)

Drift <± 2% per year

Sampling rate 1 times / sec

Photodetector Silicon photovoltaic sensor

Manual data memory capacity of 99 groups

Automatic recording capacity microSD card 2GB

Operating temperature and humidity 0 ℃ ~ 50 ℃ (32 ℉ ~ 122 ℉) / less than 80% RH storage

Storage temperature and humidity -10 ℃ ~ 60 ℃ (14 ℉ ~ 140 ℉) / less than 70% RH

Power supply 6 No. 4 1.5V battery

Battery life of about 30 hours (carbon zinc battery)

Weight 235g

Dimensions 150 (L) * 72 (W) * 35 (H) mm

Accessory manual, battery, CD, mini USB cable