Chlorophyll Meter

Chlorophyll Concentration Meter ( Patented Technology)

State of the Art Optical Field Measurement
Measures chlorophyll concentration from leaves without damaging plant material
Lightweight design facilitates hand-held measurements in the field
Larger sampling area integrates a larger portion of leaf
Stores over 100,000 data points, more than most meters
Integrates with third-party GPS to mark location
Meter calculates average of user-defined sample sizes to evaluate overall plant health

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Chlorophyll Meter Spad -502 SPAD (DL) Plus

CHLOROPHYLL METER SPAD-502Plus (with Data Logger) Chlorophyll content, Non-invasive measurements, Capacity 4096 measurements, Battery Operated.

Trend graph display, compact and light weight for portability, Quick easy mearurements, Water-resistant, Low power consumption, Small measuring area, High accuracy, Data memory, Reading checker.


Optical density difference at two wavelengths : 650 and 940 nm
Measurement Area : 2 x 3 mm
Data Memory : Space for 30 data sets
Receptor : 1 SPD (silicon photodiode) Power Source 2 AA-size Alkaline – Manganese (1.5V) batteries
Battery line : More than 20,000 measurements Minimum Interval between measurements   Less than 2 seconds
Accuracy : within ±1.0 SPAD unit
Repeatability : within ±0.3 SPAD unit
Reproducibility : within ±0.5 SPAD unit
Temperature Drift : < ±0.4 SPAD unit
Temperature Range : Operation 0 to 500C , Storage : -20 to +550C
Light Source : 2 LED

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