Apogee SS-120 Benutzerhandbuch - Seite 6

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SPECIFICATIONS

Wavelength Range

Wavelength Measurement Interval

Wavelength Resolution

Wavelength Accuracy

Wavelength Repeatability

Analog to Digital Resolution

Signal to Noise Ratio

Stray Light

Dark Noise

Integration Time Range

Linearity

Measurement Sensitivity

Measurement Repeatability

Directional (Cosine) Response

Fields of View

Operating Environment

Temperature Response

Irradiance Calibration Uncertainty (see

Irradiance Calibration Traceability below)

Current Draw

Power Requirement

Communication Protocol

Interface Cable

Software

Operating Environment

Thread Size (for Mounting)

Dimensions

Mass

Warranty

Irradiance Calibration Traceability

Apogee SS series spectroradiometers are 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).

SS-110

340 to 820 nm

3.0 nm (full width half maximum)

≤ 0.25 % at 590 nm

Greater than 10 % of max sensitivity for

wavelengths greater than 380 nm

(see Sensitivity graph below)

Less than 1.0 % (wavelengths greater than 400

nm)

180° (upward-facing); 25° or 150° (downward-facing)

-20 to 70 C, 0 to 100 % relative humidity

90 mA during measurement, 12 mA when idle (datalogger); 190 mA during measurement

ModBus RTU over RS-232 (pigtail and USB)

5 m santoprene jacket with pigtails (for datalogger), 5 m PVC jacket with USB (for computer)

Apogee Spectrovision (windows compatible, XP and later; Mac compatible, 10.9 and later)

-20 to 70 C, 0 to 100 % relative humidity

89.3 mm height, 50.8 mm width, 38.1 mm depth

4 years against defects in materials and workmanship

635 to 1100 nm

1.0 nm

± 0.5 nm

± 0.2 nm

14 bit

1500:1 (at maximum signal)

≤ 0.25 % at 850 nm

≤ 3 counts

10 ms to 10 s

Less than 1 %

Greater than 10 % of max sensitivity for

wavelengths less than 1030 nm

(see Sensitivity graph below)

Less than 1.0 % (wavelengths less than

± 5 at 75º zenith angle

-0.1 ± 0.1 % per C

± 5 %

and when idle (USB)

1 W (USB and datalogger)

¼"-20

300 g

SS-120

1020 nm)