Specifications

Sensor

Hight sensitive silicon photodiode

Filter

Daylight filter

Spectral Response

400~1100 nm

Range

0~2000 W/m² (0~634 BTU/(ft²xh))

Accuracy (at 25°C 60%RH)

Typically within ±10 W/m² (±3 BTU/(ft²xh) or ±5% whichever is greater

Resolution

0.00~99.99 W/m²: 0.001 W/m²; 100.0~999.9W/m²: 0.01 W/m²; 1000~2000W/m²: 1 W/m²

0.00~99.99 BTU/(ft²xh): 0.01 BTU/(ft²xh); 100.0~634.0 BTU/(ft²xh): 0.1 BTU/(ft²xh)

Angular Accuracy

Cosine calibration < 5% (angle < 60°)

Operation Temperature

0~50°C (32~122°F), Less than 80% RH

Storage Temperature

-10~60°C (14~140°F), Less than 85% RH

Max/Min/Avg

Yes

Data Hold

Yes

Auto Power Off

Yes

Low Battery Indication

Yes

Backlight Function

Yes

Zero Adjustment

Yes

Over Range Indication

Yes ("- HI -")

Memory

Yes (20 points)

Tilt Angle Measurement

Yes

Compass

Yes

Solar Transmission Measurement

Yes

Tripod Mounting

Yes

Dimension

Main Instrument: 140 x 49 x 29 cm (5.51 x 1.93 x 1.14 inch)

Sensor Probe: 83 x 54 x 26 cm (3.27 x 2.13 x 1.02 inch)

Weight

210 g (7.41 oz.) without battery

Accessory

9V Battery, Carrying case, Instruction Manual