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Offering you a complete choice of products which include lightscout red/far red meter.
LightScout Red/Far Red Meter

LightScout Red/Far Red Meter

Product Price: Rs 1.25 Lakh / PieceGet Best Price

Product Details:
DisplayLCD
Resolution+-5%
Usage/ApplicationMeasurement
Packaging TypeSoft
Accuracy+-5%
Model Name/NumberQuantum PAR/DLI Light Meter
Measuring RangeRed light is measured at 660nm, 40nm FWHM (+-20nm). Far Red light is measured at 730nm, 30nm FWHM (+-1
BrandSpectrum
LightScout Red/Far Red Meter

Plants use the Red/Far-Red light ratio to determine how crowded they are, which affects how tall or full they grow

  • Cost-effective Red/Far-Red measurement
  • Displays the Red/Far-Red ratio on the LCD screen
  • Press a button to display 660 nm and 730 nm readings
  • Includes soft-sided case (also available separately as Item 7500)

The following excerpt comes from our "Measuring Light" brochure - you can download the PDF below

Plants absorb red light (660–680nm) and reflect far-red light (720–740nm). Plants contain phytochromes, photoreceptors that control physiological and developmental reactions to fluctuations levels of red and far-red light. Some responses that are regulated by phytochromes include germination, stem elongation, flowering, gene expression as well as leaf and chloroplast development.

Plant leaves filter light allowing more far-red light to pass through than red light. This changes the red to far-red ratio below the canopy. Similarly, a low red to far-red ratio is created when plants are close together.

Knowing your red to far-red ratio can help you determine plant spacing and decide when to apply plant growth regulators. Greenhouses with high canopy closure or canopy density may need more applications of plant growth regulators to keep the plants a marketable size.

The LightScout Red/Far Red meter now includes the Soft-Sided Case (Item 7500), also available separately

 


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