LightScout 3415F Product Manual

Quantum light meters

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Quantum Light Meters
PRODUCT MANUAL
Item # 3415F, 3415FQF, 3415FSE, 3415FXSE

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Summary of Contents for LightScout 3415F

  • Page 1 Quantum Light Meters PRODUCT MANUAL Item # 3415F, 3415FQF, 3415FSE, 3415FXSE...
  • Page 2: Table Of Contents

    Thank you for purchasing a LightScout Light Meter. This manual describes the features and operation of the following meters: 3415F Quantum Light Meter (Solar Calibration) 3415FQF Quantum and Foot-Candle Meter 3415FSE Dual Solar/Electric Quantum Meter 3415FXSE External Sensor Solar/Electric Quantum Meter Read it thoroughly to ensure proper and effective use.
  • Page 3: Meter Operation

    (or yardstick) for ease of measurement in or above the canopy. Changing the Battery The LightScout Light meters use a standard 9V battery. To change the battery: 1. Remove the two screws on the back of the meter.
  • Page 4: Par Light

    Quantum Light Meters are calibrated to display PPFD. LightScout Quantum Light Meters are calibrated for sunlight. Due to differences in the spectrum generated by artificial lights, the following adjustments must be made in the value shown on a sunlight-calibrated meter: Fluorescent: reads 8% high, so multiply the display by 0.92.
  • Page 5: Foot-Candles

    Foot-Candles Foot-Candle meters measure 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 0-19,990 Foot-Candles.
  • Page 6: Cosine Correction

    Cosine Correction Because the detected light intensity is dependent on the an- gle of the incoming rays, the sensor must be constructed to minimize this error. This is called cosine correction because the radiant intensity of the incident light is dependent on the cosine of the angle between the sun and an imaginary verti- cal line extending from the ground.
  • Page 7: Warranty

    Specifications Range 0-1999 µmol/m s, ±5% 0-19,990 foot-candles, ±5% Cosine Correction ±3% at 45° ±7% at 80° Warranty This product is warranted to be free from defects in material or workman- ship for one year from the date of purchase. During the warranty period Spectrum will, at its option, either repair or replace products that prove to be defective.
  • Page 8: Edaphic Scientific Pty Ltd

    Edaphic Scientific Pty Ltd www.edaphic.com.au info@edaphic.com.au Ph; 1300 430 928 R 06/14...

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3415fqf3415fse,3415fxse

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