เครื่องวัดคลอโรฟิลล์ Digital Chlorophyll Meter SPAD 502 plus

                  Chlorophyll Meter SPAD502plus

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