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CHLOROPHYLL METER SPAD-502Plus (with Data Logger)
Chlorophyll content, Non-invasive measurements, Capacity 4096 measurements, Battery Operated.
Features
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.
SPECIFICATION
| Optical density difference at two wavelengths |
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650 and 940 nm |
| Measurement Area |
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2 x 3 mm |
| Data Memory |
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Space for 30 data sets |
| Receptor |
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1 SPD (silicon photodiode) Power Source 2 AA-size Alkaline – Manganese (1.5V) batteries |
| Battery line |
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More than 20,000 measurements Minimum Interval between measurements Less than 2 seconds |
| Accuracy |
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within ±1.0 SPAD unit |
| Repeatability |
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within ±0.3 SPAD unit |
| Reproducibility |
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within ±0.5 SPAD unit |
| Temperature Drift |
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< ±0.4 SPAD unit |
| Temperature Range |
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Operation 0 to 500C , Storage : -20 to +550C |
| Light Source |
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2 LED |
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