Apogee SQ-204X Посібник користувача - Сторінка 6

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SPECIFICATIONS

Power Supply

Sensitivity

Calibration Factor

Calibration Uncertainty

Calibrated Output Range

Measurement

Repeatability

Long-term Drift

(Non-stability)

Non-linearity

Response Time

Field of View

Spectral Range

Directional (Cosine)

Response

Temperature Response

Operating Environment

Dimensions

Mass (with 5 m cable)

Cable

Calibration Traceability

Apogee SQX series quantum sensors are calibrated through side-by-side comparison to the mean of transfer

standard quantum sensors under a reference lamp. The reference quantum sensors are recalibrated with a 200 W

quartz halogen lamp traceable to the National Institute of Standards and Technology (NIST).

7 to 24 V DC with a maximum current draw 22 mA (2 mA quiescent current draw)

250 µmol m

± 5 % (see calibration Traceability below)

370 to 650 nm (wavelengths where response is greater than 50 % of maximum; see Spectral

± 5 % at 75° zenith angle (see Cosine Response below)

-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m

5 m of four conductor, shielded, twisted-pair wire; TPR jacket; pigtail lead wires; stainless steel

SQ-204X-SS

0.004 mA per µmol m

-2

-1

per mA (reciprocal of sensitivity)

4 to 20 mA

Less than 0.5 %

Less than 2 % per year

Less than 1 % (up to 4000 µmol m

Less than 1 ms

180°

Response below)

0.06 ± 0.06 % per C

30.5 mm diameter, 37 mm height

140 g

(316), M8 connector

-2

-1

-2

-1

)