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計測機器 Apogee Instruments SP-230のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Apogee Instruments SP-230 18 ページ。 Pyranometer
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SPECIFICATIONS

Power Supply: SP-230 integrated heaters: 12 VDC with a nominal current draw of 15 mA

Sensitivity: 0.20 mV per W m

Calibration Factor: 5.0 W m

Calibration Uncertainty: ± 5 % (see Calibration Traceability below)

Measurement Repeatability: < 1 %

Non-stability (Long-term Drift): < 2 % per year

Non-linearity: < 1 % (up to 1750 W m

Response Time: < 1 ms

Field of View: 180

Spectral Range: 360 nm to 1120 nm (wavelengths where response is 10 % of maximum; see Spectral

Response below)

Directional (Cosine) Response: ± 5 % at 75

Temperature Response: -0.04 ± 0.04 % per C (see Temperature Response below)

Operating Environment: -40 to 70 C

Dimensions: 2.40 cm diameter and 2.75 cm height

Mass: 90 g (with 5 m of lead wire)

Cable: 5 m of shielded, twisted-pair wire.

Additional cable available in multiples of 5 m

Santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions)

Pigtail lead wires

Calibration Traceability:

Apogee Instruments SP series pyranometers are calibrated through side-by-side comparison to the mean

of four Apogee model SP-110 transfer standard pyranometers (shortwave radiation reference) under high

intensity discharge metal halide lamps. The transfer standard pyranometers are calibrated through side-

by-side comparison to the mean of at least two ISO-classified reference pyranometers under sunlight

(clear sky conditions) in Logan, Utah. Each of four ISO-classified reference pyranometers are recalibrated

on an alternating year schedule (two instruments each year) at the National Renewable Energy Laboratory

-2

per mV (reciprocal of sensitivity)

-2

)

zenith angle (see Cosine Response below)

0 to 100 % relative humidity

Can be submerged in water up to depths of 30 m