Apogee Instruments MQ-620 Extended Range Photon Flux Density (PFD) Meter for LEDs, 340 to 1040 nm Spectral Read Range.

Price: $676.00
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Product Features

The MQ-620 is an extended range photon flux density (PFD) sensor with a spectral range of 340 to 1040 nm ± 5 nm Best used for measuring the newest generation of LED grow lights with wavelengths outside the traditional 400-700 nm PAR range. Research has shown the value of adding UV and far-red LEDs to fixtures to achieve various disease control and photomorphogenic effects. The extended range filter of the mQ-620 allows it to measure photons from UV, Far-red, and even IR security lights which may affect some plants during dark periods. The 1040 nm top cutoff also means the sensor will measure spikes in HID and other broad spectrum lights above the range that influences plants therefore the sensor is only intended for use in LED grow environments.