{"product_id":"handheld-portable-plant-chlorophyll-tester-analyzer-nutrient-leaf-temperature-humidity-for-agricultural-expert-enthusiasts","title":"Handheld Portable Plant Chlorophyll Tester Analyzer Nutrient Leaf Temperature Humidity for Agricultural Expert Enthusiasts","description":"\u003cp\u003e\u003cbr\u003e\u003cbr\u003eProduct Introduce:Chlorophyll tester can instantly measure the relative chlorophyll content or greenness of plants, the chlorophyll content in plant leaves indicates the condition of the plant itself, and the real nitrogen demand of long plants, through which the instrument is conducive to the rational application of nitrogen fertilisers to improve nitrogen utilisation, and to protect the environment (preventing pollution of the environment, especially water sources, due to the application of excessive nitrogen fertilisers). environment (to prevent the pollution of the environment, especially water).\u003cbr\u003ePrinciple of chlorophyll meter:\u003cbr\u003eThe chlorophyll meter determines the relative amount of current chlorophyll in a leaf by measuring the transmittance coefficient of the leaf in two wavelength ranges, that is, in the two wavelength regions in which chlorophyll chooses to absorb a specific wavelength of light, and calculates the measured value based on the amount of light transmitted by the leaf.\u003cbr\u003eTechnical parameters:\u003cbr\u003eMeasuring range: chlorophyll: 0.0-99.9SPADLeaf surface temperature: -10-99.9°C\u003cbr\u003eMeasurement accuracy: chlorophyll: ± 3.0 SPAD units (room temperature, SPAD value between 0-50)Leaf surface temperature: ±0.5°C\u003cbr\u003eRepeatability: Chlorophyll: within ±0.3 SPAD units (SPAD value between 0-50)Leaf surface temperature: ±0.2°C\u003cbr\u003eMeasuring area: 2mmx2mmMeasurement interval: less than 3 secondsData storage capacity: 32KBPower supply: 4.2V rechargeable lithium battery 2000mahWorking and storage environment: -10 ℃ ~ 50 ℃ ≤ 85% relative humidity\u003c\/p\u003e","brand":"mickcara","offers":[{"title":"1111","offer_id":42991673442441,"sku":"34089e-1-","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/a856846e9188d0544589763c6f6e2f1b.jpg?v=1726803632","url":"https:\/\/mickcara.com\/fr\/products\/handheld-portable-plant-chlorophyll-tester-analyzer-nutrient-leaf-temperature-humidity-for-agricultural-expert-enthusiasts","provider":"mickcara","version":"1.0","type":"link"}