Apogee MU-200 Gebruikershandleiding - Pagina 6

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Apogee MU-200 Gebruikershandleiding

SPECIFICATIONS

Calibration Uncertainty
Measurement Repeatability
Non-stability
(Long-term Drift)
Non-linearity
Response Time
Field of View
Spectral Range
Directional (Cosine)
Response
Maximum Range
Temperature Response
Operating Environment
Meter Dimensions
Sensor Dimension
Mass
Cable
Calibration Traceability
Apogee MU series UV meters are calibrated through side-by-side comparison to the mean of four Apogee model SU-100
transfer standard UV sensors under high intensity discharge metal halide lamps. The transfer standard UV sensors are
calibrated through side-by-side comparison to an Apogee model PS-200 spectroradiometer under sunlight (clear sky
conditions) in Logan, Utah. The PS-200 is calibrated with a LI-COR model 1800-02 Optical Radiation Calibrator using a 200 W
quartz halogen lamp. The 1800-02 and quartz halogen lamp are traceable to the National Institute of Standards and
Technology (NIST).
Spectral Response
MU-100
± 10 % (see Calibration Traceability below)
250 nm to 400 nm (see Spectral Response below)
0 to 50 C; less than 90 % non-condensing relative humidity up to 30 C; less than 70 % non-condensing
126 mm length; 70 mm width; 24 mm height
150 g
2 m of two conductor, shielded, twisted-pair wire; additional cable available; santoprene rubber jacket
(high water resistance, high UV stability, flexibility in cold conditions)
Less than 1 %
Less than 3 % per year
Less than 1 % (up to 300 µmol m
Less than 1 ms
180º
± 10 % at 75º zenith angle
104.9 W per m
2
Approximately 0.1 % per C
relative humidity from 30 to 50 C
24 mm diameter; 28 mm height
Spectral response estimate of Apogee MU
series meters. Spectral response measurements
were made at 10 nm increments across a
wavelength range of 200 to 450 nm in a
monochromator with an attached electric light
source. Measured spectral data were
normalized at 350 nm.
MU-200
-2
s
-1
)
180 g
6