Apogee Instruments SQ-625-SS Benutzerhandbuch - Seite 6
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SPECIFICATIONS
Power Supply
Current Draw
Sensitivity
Calibration Factor
Calibration
Uncertainty
Output Range
Measurement
Range
Measurement
Repeatability
Long-term Drift
(Non-stability)
Non-linearity
Response Time
Field of View
340 to 1040 nm ± 5 nm (wavelengths where response is greater than 50 %; see Spectral Response
Spectral Range
Directional
(Cosine) Response
Azimuth Error
Tilt Error
Temperature
Response
Uncertainty in
Daily Total
Housing
IP Rating
Operating
Environment
Dimensions
Mass (with 5 m of
cable)
5 m of two conductor, shielded, twisted-pair wire; TPR jacket; pigtail lead wires; stainless steel (316),
Cable
Warranty
Calibration Traceability
Apogee Instruments SQ-600 series PFD sensors are calibrated through side-by-side comparison to the mean of four
transfer standard PFD sensors under a reference lamp. The transfer standard PFD sensors are recalibrated with a
quartz halogen lamp traceable to the National Institute of Standards and Technology (NIST).
SQ-622-SS
5 to 24 V DC
0.625 mV per µmol m
-2
-1
1.6 µmol m
s
per mV
± 5 % (see Calibration Traceability below)
0 to 2.5 V
Less than 1 % (up to 4000 µmol m
± 2 % at 45° zenith angle, ± 5 % at 75° zenith angle (see Directional Response below)
Anodized aluminum body with acrylic diffuser
-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m
4 years against defects in materials and workmanship
12 V is 57 µA
-2
-1
s
0 to 4000 µmol m
-2
s
-1
Less than 0.5 %
Less than 2 % per year
Less than 1 ms
180°
below)
Less than 0.5 %
Less than 0.5 %
-0.11 ± 0.04 % per C
Less than 5 %
IP68
30.5 mm diameter, 37 mm height
140 g
M8 connector
SQ-625-SS
5.5 to 24 V DC
-2
-1
1.25 mV per µmol m
s
-2
-1
0.8 µmol m
s
per mV
0 to 5 V
-2
s
-1
)