Chlorophyll Meter

We offer chlorophyll meter.
model:spad-502plus
chlorophyll meter 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.
chlorophyll meter 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)
volume: 164*78*49cm (length*width*height)
weight: 225g
working environment: 0-50°c
other functions: alarm; calibration.