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Name:Chlorophyll Meter
Model:SPAD-502PLUS
Product description:
SPAD-502 PLUS chlorophyll Meter can measure relative content of chlorophyll, non-destructive to leaves. Measured datum will be displayed in trend graph. It can be used to enhance the utilization rate of nitrogen fertilizer.
Technical parameters:Measuring mode: 2 wavelengths optical den
sity difference
Measuring area: 2 mm×3 mm
Sensor: Silicon semiconductor photodiode
SPAD-502PLUS
Measuring range: -9.9 to 199.9 SPAD units
Memory capacity: 30datum, automatically calculate and display average value
Power: 2 AA batteries (1.5V)
Battery life: More than 20,000 times
Test interval: 2s
Accuracy: Within ±1.0 SPAD units (for SPAD value between 0 and 50 under normal temperature)
Repeatability: Within ±0.3 SPAD units (for SPAD value be
tween 0 and 50)
Reproducibility: Within ±0.5 SPAD units (for SPAD value between 0 and 50)
Working environment: 0-50°C
Other functions: alarm; calibration
Weight: 0.8KG
Size:23*19*11CM
| Display mode | LCD, 4 decimal places, tendency chart |
| Measuring range | -9.9 to 199.9 SPAD units |
| Battery life | More than 20,000 times |
| Test interval | 2s |
| Working environment | 0-50°C |
| Other functions | alarm; calibration |
| Weight | 0.8KG |
| Size | 23*19*11CM |