Chlorophyll Analyzer for Plant Nutrient Testing, Leaf Temperature Meter, Leaf Moisture Meter 0.0-99.9SPAD Compact and Portable

working principle:Two LED light sources emit two types of light, one is red light (650 nm) and the other is infrared light (940 nm). Both types of light pass through the blades and reach the receiver.The optical signal is converted into an analog signal. The analog signal is amplified and converted into a digital signal by an analog-to-digital converter.The digital signal is processed by the microprocessor, which calculates the SPAD value and displays it on the LCD screen.Technical Parameters:Name: Plant Nutrition TestTest items: chlorophyll, nitrogen content, leaf temperature, leaf moistureNitrogen content range: full range nitrogen contentAccuracy: ±5%Chlorophyll range: 0.0-99.9SPADChlorophyll accuracy: ±1.0 SPADLeaf temperature range: 0-60°CLeaf temperature accuracy: ±1°CHumidity range: 0-5g/cm2Humidity accuracy: ±3%Data storage medium: SD card memoryData storage capacity: 2 GBTime interval measurement: less than 3 secondsPower supply: 4.2V lithium batteryCapacity: 2000mAhWeight: 200gDimensions: 140x 85x 45 mm (LxWxH)packing list:1*Host1*charger1*data cable1*User Manual1*portable aluminum box

• ✔【Chlorophyll Meter】: The plant chlorophyll meter can quickly and accurately measure four plant ecological indicators: chlorophyll, nitrogen content, leaf surface temperature, and leaf surface moisture without damaging the plants, to clearly understand the plant ecology.
• ✔【Material】: Equipped with a backlit LCD display, the readings are clear and intuitive. Built-in 2000mAh lithium battery, USB charging.
• ✔【Accurate Measurement】: Built-in intelligent microprocessor, using precision instruments, accurate measurement, small error, fast processing speed, measurement data can be obtained within 2-3 seconds.
• ✔ 【Measurement range】: Chlorophyll: 0.0-99.9 SPAD; Nitrogen content: 0.0-99.9mg/g; Leaf temperature: -10-99.9*C; Leaf humidity: 0.099.9RH/%6; Simple operation, no need to pick leaves, Does not affect the normal growth of plants.
• ✔【Database】: The storage location of the multi-function chlorophyll meter is SD card memory, making it easy to read data. The memory capacity is up to 2GB, which can store a large amount of measurement data. Export to computer in Excel format for further analysis.