Hubungi Toko Karya Nusatama Jual Chlorophyl Meter Detector Test Plant Fruit di Makasar, Untuk pemesanan anda bisa menghubungi sales marketing kami di TLP/SMS : 085740767348 / WA : 081339893673 atau anda bisa menirimkan e-mail ke risiskalestari2@gmail.com. Kami juga menjual berbagai alat listik, penangkal petir, alat safety, alat teknik, alat ukur, alat survey, alat geologi, sirine, alat optik, lampu emergency, alat hydraulic, safety shower dan lain sebagainya. Free ongkir khusus untuk daerah jakarta dan sekitarnya.
working principle
1. How does the chlorophyll meter work?
Two LED light sources emit two kinds of light, one is red light (650nm), and the other is infrared light (940nm). Two kinds of light penetrate the blade and hit the receiver. The light signal is converted into an analog signal. The analog signal is The amplifier is amplified and converted into a digital signal by an analog/digital converter. The digital signal is processed by the microprocessor and the SPAD value is calculated and displayed on the LCD screen.
2. Calibration and calculation of chlorophyll meter measurements
(1) Calibration and calculation of chlorophyll meter measurements The two LEDs emit light in order, and the received light is converted into an electrical signal, and the ratio of light intensities is used to calculate
(2) After the indenter clamps the sample, the two LEDs light up again. The light transmitted through the blade hits the receiver and is converted into an electrical signal. The intensity ratio of the transmitted light is calculated.
(3) The values of steps 1 and 2 are used to calculate the SPAD measurement, that is, the current relative chlorophyll content of the clamped sample leaf.
Technical indicators
1. Measuring range 0.0-100 SPAD
2. Measuring area 2mm*2mm
3. Measurement accuracy within ±1.0 SPAD units (SpaD values between 0-50 at room temperature)
4. Repeatability within ±0.3 SPAD units
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