• SPAD-502 PLUS Chlorophyll meter

SPAD-502 PLUS Chlorophyll meter

The SPAD 502 Plus Chlorophyll Meter measures chlorophyll content or “greenness” of plants to reduce the risk of deficiencies or overfertilizing. The SPAD 502 Plus can collect data on changes or trends in plant health through non-invasive measurement.

The SPAD 502 Plus Chlorophyll Meter measures chlorophyll content or “greenness” of plants to reduce the risk of deficiencies or overfertilizing. The SPAD 502 Plus can collect data on changes or trends in plant health through non-invasive measurement.

To gather data, clamp the meter over leafy tissue and receive a 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 reference strips; Research shows a strong correlation between SPAD measurements and leaf Nitrogen content.

SPAD-502 PLUS Chlorophyll meter 1


SPAD-502 PLUS Chlorophyll meter 2


SPAD-502 PLUS 葉綠素計 3

Instantly measures chlorophyll content or “greenness” of 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

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