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SPAD 502 Plus Chlorophyll Meter

Spectrum


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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.

  • 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


Data-logging model (2900PDL)

  • Connects to any GPS receiver that has a serial output option*

  • Equipped with internal data logger and RS-232 port

  • Records 4,096 measurements (1,488 with added GPS/DGPS option)

  • Configure and download meter with FieldScout? software (included)**

  • Compatible with SpecMaps? online web-mapping application


*    GPS interface requires two cables.  The GPS/DGPS cable (item 2950CV5) is available from Spectrum.
    A PC serial interface cable supplied by the manufacturer of the GPS receiver is also required.
**    PC cable connects to a computer USB port.


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Email: Dianjiang_HK@yahoo.com.hk   Hongkong@Dianjiangtech.com
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