Chlorophyll Meter is a compact and portable, microprocessor comprised unit, offers 0.0 to 99.9 SPAD and -10 to 99.9°C of measuring range. With 2 LED light sources i.e., red light (650 nm) and infrared light (940 nm), silicon semiconductor photodiode sensor, and LCD display, it provides real-time data display with 2×2 mm of measuring area. Adopted with 2-wavelength concentration difference of optical measuring methods, features testing parameters for plant’s nitrogen, chlorophyll, leaf structure, and leaf humidity. Lightweight design with rechargeable Li battery, USB interface, software program and 30 KB memory, this chlorophyll meter supports data visualization via chart or curve, data storage capacity of 999 groups, and automatic calculation of average.
