Apogee SQ-202X Benutzerhandbuch - Seite 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
s
-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
s
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
s
0.5 µmol m
-2
s
-1
per mV
0 to 5 V
-2
s
-1
)