Multifunctional Reflectometer for testing plants

Multifunctional Reflectometer for testing plants

   I . Model :  YN-FS  

   II . Components : Reflectometer is formed of light source with multi-Wavelength, multi-channel optical path, test strip holder, reflection plate, circuit board, displaying instrument, battery box; YN-FS include communication cable, AC power cable, box for test strip, instrument for pressed juice, standard resolution for calibration , etc .

  III . Performance indicator :

   1. Detecting items : Nitrate and Nitrite for plants .

   2. Main technical index :

   Stability :  Numer change for 3 wavelength calibration is not more than 1% when continuous empty scan for 5 times .

   Sensitivity :  0.01+0.001 .

   Linear error :  ≤10% .

   Repeatability error for test :  RSD ≤3% .

   Wavelength for Green light :  550nm+5nm .

   Wavelength for Red light :  650nm+5nm .

   Near-infrared wavelength :  850nm+5nm .

   Applicable width for test strip :  5+0.2mm .

   Linear range :  10 – 50μg / ml (nitrate); 4 – 30μg / ml ( nitrite ) .

   Relative standard deviation for test : < 3% .

   Quantitative detection time for test stripe ( it don’t include time for preparing sample ) : 1 minute .

   The instrument has functions such as automatic alarm、man-machine dialogue、, transfering datas to computer and so on .

  3. Numer for working wavelength : Dual-channel , 6 optical path, it can supply 4 working wavelength, 2 reference wavelegth .

  4. Numer for testing items : 2 – 4 items for one instrument .

  5. Power Voltage :  9V for DC , the instrument include rechargeable battery .

  6. Power consumption : 300 mW .

  7. Capacity for data storage : 200 groups .

 IV . Size and Weight :

  1.     Size : 220mm x 110mm x 45mm .

  2.     Weight : 0.5 kg .

VI . Testing speed :

  It can test nitrate and nitrite within 1 minute in sample .