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LightScout

LightScout Quantum Meters

Measure the light used for plant growth. PAR is a more valuable measurement than foot-candles as it measures only the light used by plants for photosynthesis. Read More

 
Item Name Item Number Price Quantity
LightScout Quantum Meter 3415F $199.00
LightScout Solar/Electric Quantum Meter 3415FSE $249.00
LightScout Solar/Electric Quantum Meter - External Sensor 3415FXSE $299.00
LightScout Quantum and Foot-Candle Meter 3415FQF $299.00
 
The following items are optional.
Item Name Item Number Price Quantity
FieldScout Soft-Sided Carrying Case 7500 $35.00

LightScout Quantum Meters

Measure the light used for plant growth. PAR is a more valuable measurement than foot-candles as it measures only the light used by plants for photosynthesis.

  •     Measures photosynthetically active radiation (PAR) from 400 to 700 nm
  •     Range of 0 to 2,000 µmol·m-2·s-1
  •     Available in a variety of configurations for your convenience

The follow excert comes from our "Measuring Light" brochure - you can download the PDF file below

The light that drives photosynthesis in plants is Photosynthetically Active Radiation, or PAR light. This is also referred to as Quantum light, because it is measured in units of moles striking an area over time. Though PAR light ranges from 400 to 700nm, the region brightest to human eyes is the area of least effect on plants. Measuring quantum light can tell you if your plants are getting a sufficient amount of usable light.

 

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3415F

Accuracy
The Field Scout Light Meters are accurate to ±5%. Cosine
correction is accurate to ±3% at 45°, and ±7% at 80°.

Quantum Light Meters are calibrated to display PPFD. The meters
display PPFD in the range 0-1999 µmol m-2 s-1.

3415FSE and 3415FXSE

Accuracy
The Field Scout Light Meters are accurate to ±5%. Cosine
correction is accurate to ±3% at 45°, and ±7% at 80°.


3415FQF

Accuracy
The Field Scout Light Meters are accurate to ±5%. Cosine
correction is accurate to ±3% at 45°, and ±7% at 80°.

The 3415FQF Quantum and Foot-Candle Meter measures
both PAR light, and light intensity as perceived by the human
eye. The eye perceives light of approximately 560 nm most
strongly, with perception half that at 500 and 600 nm.

The meters display values in the range 0-1999. This must be
multiplied by 10 to obtain Foot-Candles, so the meter range is
0-19990 Foot-Candles. Since 1 Foot-Candle is equivalent to
approximately 10.8 lux, multiplying the meter reading by 108.

 

 

 

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