Apogee SQ-202X Посібник користувача - Сторінка 6

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SPECIFICATIONS

Power Supply

Sensitivity

Calibration Factor

(Reciprocal of Sensitivity)

Calibrated Output Range

Calibration Uncertainty

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).

SQ-202X-SS

5 to 24 V DC; nominal current draw 300

µA

1 mV per µmol m

1 µmol m

-2

-1

per mV

0 to 2.5 V

± 5 % (see Calibration Traceability below)

Less than 1 % (up to 4000 µmol m

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

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

0.06 ± 0.06 % per C (see Temperature 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 two conductor, shielded, twisted-pair wire; TPR jacket (high water resistance, high UV

stability, flexibility in cold conditions); pigtail lead wires; stainless steel (316), M8 connector

5.5 to 24 V DC**; nominal current draw 300 µA

**Sensors with a serial number smaller than

3762 should not be powered with more than 5

-2

-1

Less than 0.5 %

Less than 2 % per year

Less than 1 ms

180°

Response below)

30.5 mm diameter, 37 mm height

140 g

SQ-205X-SS

V DC

-2

-1

2 mV per µmol m

0.5 µmol m

-2

-1

per mV

0 to 5 V

-2

-1

)