Portable Digital Plant Chlorophyll Meter

Product Name: Portable Digital Plant Chlorophyll Meter Model: TYS-A Product description: Chlorophyll Meter can measure chlorophyll content of plants. Chlorophyll content and leaf nitrogen content have a very close relationship. Thus, chlorophyll content can reflect plants demand for nitro. Using the instrument can do go to put nitrogen fertilizer reasonably, improve utilization of nitrogen and protect environment. Technical parameters: Measuring area: 2mm*2mm Measuring mode: 2-wavelength concentration difference of optical methods Sensors: Silicon semiconductor photodiode Display mode: measuring value: 3 digits liquid crystal display Measuring times: 2 digits liquid crystal display Min measuring interval :<3s Measuring Range: 0.0-99.9 SPAD, -10~99.9°C Accuracy: ±3.0 SPAD; ±0.5°C Repeat: ±0.3SPAD, ±0.2°C Operating temperature: -10-50°C Power: 4.2V -2000Mah rechargeable Li battery. Memory capacity: 30KB, automatically calculate and show the average. Weight: 200 grams