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Product Description
Apogee quantum sensors measure photosynthetically active radiation. The MQ-200 features a handheld meter to display and store measurements with a separate sensor head connected by a lead. The sensor head features a fully potted, domed-shaped design making it fully waterproof, weatherproof and self-cleaning.
The head can be held by hand, mounted to a leveling plate, or attached to an optional sensor wand for taking measurements in hard to reach places. Photosynthetically active radiation ( PAR) , or photosynthetic photon flux ( PPF) , is the spectral range ( wave band) of solar radiation from 400 to 700 nanometers that photosynthetic organisms are able to use in the process of photosynthesis. Gardeners, greenhouse managers, growth chamber users and salt-water aquarists measure PAR to ensure optimal specimen health.
Specifications
Calibration Uncertainty: ± 5 %
Measurement Repeatability: < 1 %
Non-stability ( Long-term Drift) : < 2 % per year
Non-linearity: < 1 % ( up to 3000 µ mol m-2 s-1 )
Response Time: < 1 ms
Field of View: 180°
Spectral Range: 410 nm to 655 nm ( wavelengths where response is greater than 50 % of maximum)
Directional ( Cosine) Response: 0.06 ± 0.06 % per C
Temperature Response: ± 5 % at 75° zenith angle
Operating Environment: 0 to 50 C, < 90 % non-condensing relative humidity up to 30 C, < 70 % non-condensing relative humidity from 30 to 50 C, Separate sensors can be submerged in water up to depths of 30 m
Meter Dimensions: 12.6 cm length, 7.0 cm width, 2.4 cm height
Sensor Dimensions: 2.4 cm diameter and 2.8 cm height
Mass: 180 g
Cable: 2 m of shielded, twisted-pair wire. Santoprene rubber jacket ( high water resistance, high UV stability, flexibility in cold conditions)
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