Quick, easy measurement of chlorophyll levels in plant leaves without damaging the leaf.
Trend graph display
Water-resistant
Compact and lightweight for portability
Low power consumption
Application
Monitoring of growth and health of plants
The SPAD-502Plus can be used to monitor the growth and health status of a wide variety of agricultural products, including wheat, rice, corn, cotton, etc.
Nitrogen fertilization optimization
The SPAD-502Plus can be used for determining when and how much nitrogen fertilizer should be provided to plants. Optimizing fertilization in this way leads to not only greater yields of higher quality, but also results in less over-fertilization, reducing environmental contamination due to the leaching of excess fertilizer into the soil and underground water.
Specification
Subject thickness
1.2 mm maximum
Subject insertion depth
12 mm (with stopper having position adjustable from 0 to 6 mm)
Light source
2 LED elements
Receptor
1 SPD (silicon photodiode)
Display
LCD panel showing 4-digit measurement value (values shown to first decimal place) and 2-digit number of measurements; Trend graph of values in memory can also be shown.
Display range
-9.9 to 199.9 SPAD units
Memory function
Memory capacity for up to 30 values; Calculation/display of average of data in memory also possible
Minimum interval between measurements
Approx. 2 seconds
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