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The Gold Standard For Traditional Photosynthetic Light Measurement
The MQ-500 is a full spectrum quantum sensor with a spectral range of 389 to 692 nm ± 5 nm, which can be seen in the graph pictured. This improved spectral response increases the accuracy of LED measurements.
Refined Spectral Response
The improved spectral response of the MQ-500 increases the accuracy of LED measurements making it ideal for use with both natural and electric light sources.
Cosine Response
This cosine-corrected sensor is designed to maintain its accuracy when radiation comes from low zeith angles. The sensors measure PPFD with a cosine response accurate within ± 5 % at 75 ° zenith angle.
Rugged Design
Head is potted solid making it submersible and suitable for use in all climate conditions.
Warranty and Support
All Apogee products are backed by an industry-leading four-year warranty and outstanding customer support.
WHAT IS IN THE BOX:
- One MQ-500 PAR Meter and Sensor
OPTIONS AVAILABLE, BUT NOT INCLUDED:
- AM-310 Extension Wand
- AC-100 USB data and communications cable.
Download Product Manual
- Calibration Uncertainty ± 5 %
- Measurement Range 0 to 4000 µmol m-2 s-1
- Measurement Repeatability less than 0.5 %
- Long-term Drift (Non-stability) less than 2 % per year
- Non-linearity less than 1 % (up to 4000 µmol m-2 s-1)
- Response Time less than 1 ms
- Field of View 180°
- Spectral Range 389 to 692 nm ± 5 nm (wavelengths where response is greater than 50 % of maximum)
- Spectral Selectivity less than 10 % from 412 to 682 nm ± 5 nm
- Directional (Cosine) Response ± 5 % at 75 ° zenith angle
- Azimuth Error less than 0.5 %
