Name: Chlorophyll Meter
Model: SPAD-502PLUS
Technical parameters:
Measuring mode: 2 wavelengths optical density difference
Measuring area: 2 mm×3 mm
Sensor: Silicon semiconductor photodiode
Display mode: LCD, 4 decimal places, tendency chart
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 between 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
