Apogee Instruments MQ-620 Посібник користувача - Сторінка 6
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Calibration Uncertainty
Measurement Range
Measurement
Repeatability
Long-term Drift
(Non-stability)
Non-linearity
Response Time
Field of View
Spectral Range
Directional (Cosine)
Response
Azimuth Error
Tilt Error
Temperature Response
Uncertainty in Daily Total
Housing
IP Rating
Operating Environment
Meter Dimensions
Sensor Dimensions
Mass
Cable
Warranty
Calibration Traceability
Apogee MQ series quantum meters are calibrated through side-by-side comparison to the mean of four 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).
± 5 % (see Calibration Traceability below)
Less than 1 % (up to 4000 µmol m
340 to 1040 nm ± 5 nm (wavelengths where response is greater than 50 %; see Spectral
± 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
126 mm length, 70 mm width, 24 mm height
2 m of two conductor, shielded, twisted-pair wire; additional cable available; TPR jacket
4 years against defects in materials and workmanship
MQ-620
0 to 4000 µmol m
-2
s
-1
Less than 0.5 %
Less than 2 % per year
Less than 1 ms
180°
Response 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 (with 5 m of lead wire)
-2
s
-1
)