Высокоточный точный счетчик хлорофилла 502 Plus для определения содержания здорового здоровья сельскохозяйственных культур и

Сохранить в закладки 10000003890456:


Цена:2 749,50 $*

Количество:

  • В избранное

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Product Overview


SPAD 502 Plus Chlorophyll Meter
The SPAD 502 Plus Chlorophyll Meter instantly measures chlorophyll content or “greenness” of your plants to reduce the risk of
yield-limiting deficiencies or costly overfertilizing. The SPAD 502 Plus quantifies subtle changes or trends in plant health long
before they’re visible to the human eye. Non-invasive measurement; simply clamp the meter over leafy tissue, and receive an
indexed chlorophyll content reading (-9.9 to 199.9) in less than 2 seconds. Assess nitrogen needs by comparing in-field SPAD
readings to university guidelines or to adequately fertilized reference strips. Research shows a strong correlation between SPAD
measurements and leaf N content.


FEATURES AT A GLANCE


* Instantly measures chlorophyll content or “greenness” of your plants on a scale of -9.9 to 199.9
* Non-invasive, non-destructive measurement
* Trend graph stores and displays up to 30 measurements
* Waterproof design
* Compare in-field SPAD readings to university guidelines
* Research shows a strong correlation between SPAD measurements and leaf N content
* Available with or without a built-in data logger
* Includes hard carrying case and batteries








PRODUCT SPECIFICATIONS


Optical Density Difference at two wavelengths: 650 nm and 940 nm
Measurement Area: 2 mm x 3 mm (Approximately 3/32 in x 1/8 in)
Light Source: 2 LEDs
Receptor: Silicon Photodiode
Power Source: 2 AA alkaline batteries (1.5V)
Repeatability: Within ±0.3 SPAD unit
SPAD Value: Index of relative chlorophyll content; -9.9 to 199.9


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