The plant canopy analyzer top-1300 measures leaf area index, average blade inclination, scattered radiation transmission, direct radiation transmission at different solar elevation angles, extinction coefficient at different solar elevation angles, and azimuth of leaf area density. Distribution, photosynthetically active radiation (PAR) inside and outside the canopy, etc. It is widely used in the measurement and analysis of canopy light receiving conditions of crops and plant populations as well as agricultural and forestry scientific research work. Instrument use Leaf area index (LAI) and photosynthetically active radiation fraction (FPAR) of plant canopy absorption are important biophysical parameters in ecology and climatology. These parameters are widely used in the fields of ecology and climatology. The TRAC plant canopy analyzer uses a unique and innovative technique to measure the photosynthetically active radiation component absorbed by the plant canopy along the cross section under the canopy, and then convert it into a gap proportion distribution to calculate the leaf area index and other parameters. . Folding features 1. Non-destructive measurement of leaf area index, average blade inclination and canopy structure 2. The probe is small in size and can be used to measure the canopy structure of the plant at any angle. 3. The camera can automatically maintain the level. 4. USB interface, connect the computer to view the image in real time during measurement, instantly select the desired image and save it. 5. External large-capacity lithium battery, suitable for field work and long-term measurement. 6. Measuring the different heights of the canopy, the vertical distribution of light transmittance and leaf area index in the group can be obtained. 7. It is equipped with special analysis software, which has the function of selecting the desired image area (the zenith angle can be divided into 10 zones, the azimuth can be divided into 10 zones), which can shield the unreasonable canopy part and analyze only the effective image area. Make measurement data more accurate. Principle of operation 1. Any substance has the characteristics of emitting, absorbing and reflecting electromagnetic waves, which is the basic principle of spectral information detection. By measuring the absorption, transmission or reflection of each wavelength of radiation, the properties of the substance can be determined. In practical applications, only certain specific bands need to be selected to identify the characteristics of the selected substance. A narrow band filter is used to select certain bands of the visible and near infrared (NIR) region electromagnetic spectrum. This band region can be used to quantify differences in plant canopal emissivity caused by various stresses. The severity of leaf disease is very useful. The long-wavelength band in the near-infrared region can be used to estimate the biochemical composition of plants. 2. Using visible/near-infrared light reflectance spectroscopy and multi-channel spectral information scanning technology, vegetation surface parameters, plant canopy information, plant nutrient information, soil nutrient information, environmental parameters, plant pests and diseases can be quickly determined. 3. The instrument is an 8-channel universal spectrum detection analyzer. It can support up to 16 channels of common spectrum information acquisition instruments in different bands. Users can customize the spectrum of different bands according to the actual needs. 4. The instrument comes with 8 bands of filters. 5. Built-in sensor automatic correction module. Instrument function 1. The instrument integrates the display screen, operation buttons, storage SD card and measuring probe into the design, which is easy to operate, small in size and convenient to carry. 2. The storage medium adopts SD card, which has large storage capacity and convenient data management. 3, with automatic sleep function. 4. Measurement methods are divided into automatic and manual. The automatic measurement interval is at least 1 minute, and the automatic measurement times are up to 99 times. Manual measurement is manually collected according to actual needs. The canopy is the part of the tree trunk above the trunk and the branches. This structure is used to assess the growth of plants. The canopy is related to: 1. The use of light energy by plants, such as the amount of light transmitted, the amount of reflection. 2. Fixed CO2 of plant leaves during photosynthesis. 3. The size of the plant is transpiration during growth. and many more. There is a parameter in biology and production called the "foliar index". Also called "leaf area index" or "leaf area factor". Leaf area index = total area of ​​green leaves / floor area The plant canopy is used as the first part of the plant to contact the external gas environment and illumination, so it is used to analyze and calculate the leaf area index. So the size of the canopy can be reflected by the leaf area index. The leaf area index reflects the size of the crop population. Within a certain range, the crop yield increases as the leaf area index increases. When the leaf area is increased to a certain limit, the overlapping of the leaves occurs between the plants, the illumination cannot be fully utilized, the photosynthetic efficiency is weakened, and the yield is decreased. Beijing Heng Aode Instrument Co., Ltd. specializes in stainless steel water collector, tank bottom weld vacuum test box, reading instrument, eight-stage air microbial sampler, relay comprehensive tester, dual-wavelength scanner, coating thickness gauge, soil Crusher, tempered glass surface flatness tester, sound sensor, portable electric water level gauge, network mouth flow meter, corrosion rate meter, portable scratch tester, freezing point tester, water quality tester, online ammonia tester, coating Thickness gauge, coating thickness gauge, soil pulverizer, digital thermometer, gas sampling pump, ceramic impact tester, automatic crystallization point tester, drug freezing point tester, reed switch tester, constant temperature water bath , gasoline root transfer, gas sampling pump, tempered glass tester, water quality tester, PM2.5 tester, inhalable particulate matter detector, high frequency heat sealing machine, strain control triaxial instrument, milk somatic cell detector, helium gas concentration Detector, soil moisture conductivity tester, field strength meter, collection box, color ratio tester, capillary water absorption time measuring instrument, redox potentiometer vibrometer, Carbon oxide carbon dioxide detector, CO2 analyzer, oscillopolarograph, slime content tester, automotive starter power supply, automatic potentiometric titrator, portable thermometer, zirconia analyzer, reed switch tester, precision conductivity Instrument, TOC water quality analyzer, microcomputer plasticity measuring instrument, wind direction station, automatic spotting instrument, soil oxidation reduction potentiometer, digital thermometer, portable total phosphorus tester, corrosion rate meter, safety valve grinding tool, company adhering to " "Customer first, forge ahead" business philosophy, adhere to the "customer first" principle to provide quality services to our customers. 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