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 .