Soil Nutrient Fast Testing Instrument
I . Model ：YN-4001 .
II . Logo : nanbei.
III . Instrument Components :
1. Fast testing instrument for intelligent English display , it include instrument host, medicament, cuvette and other accessories .
2. Electronic balance , it is a weighing apparatus , precision is 0.1g , balance for precision (0.01g) is better for improving analysing precision .
3. Medicaments , we can supply more than 20 kinds of finished medicament and powder for testing .
4. Others , it include electronic calculator , filtering paper , ear wash ball , aluminum box , etc . It can work well out of Lab and portable to carry .
IV . Instrument Performance Index :
1. Testing items :
1.) Soil , Hydrolysis Nitrogen、Ammonium Nitrogen、Nitrate Nitrogen、Available Phosphorus、Available Potassium、 Organic matter in the soil .
2.) Test for soil moisture .
3.) Fertilizer , N, P, K fertilizer and Urea、Ammonium Nitrogen、Nitrate Nitrogen、Available Phosphorus、Available Potassium、 Organic matter in the complex mixed fertilizer .
4.) Nitrate N、 P、 K for crops .
5.) Others , middle、trace elements such as Cu、Fe、Mn、B、Cl、S、Zn、Si、Ca、Mg , etc .
2. Function with correcting available phosphorus’ temperature automaticly .
3. Main technical parameter :
1.) Power , 12V for DC (Battery in the car is available) or 220V+22V for AC ;
2.) Testing range and resolution :
9999μg /mL, resolution 1μg/mL (1μg/mL≈1ppm≈Lmg/kg) ;
999.9μg/mL, resolution 0.Lμg/mL (1μg/mL≈1ppm≈Lmg/kg) ;
99.99μg/mL, resolution 0.01μg/mL (1μg/mL≈1ppm≈Lmg/kg) ;
9.999μg/mL, resolution 0.001μg/mL (1μg/mL≈1ppm≈Lmg/kg) .
3.) Stability , displayed drift number is less than 0.5 % (A) , (transmittance measurement) within 3 minutes after powering on for 20 minutes .
4.) Sensitivity , Kλ≥3.5×10-3 , （testing in Potassium dichromate standard solution）.
5.) Repeatabolity error :
Error is less than 0.3% (A) ( testing in potassium dichromate standard solution ) .
6.) Linear error
Absorbance range : 0.1～0.3，linear error ≤±3.5% ；0.3～0.6 , linear error : ≤ ±2.5% ；0.6～0.8，linear error ≤ ±3.5% .
7.) Power consumption (AC/DC) ≤ 10 W
4. Size and weight :
Medicament box ：410×320×180mm3，Weight : 4.7kg ( including all medicaments ) .
Instruemnt box ：410×320×120 mm3，weight : 3.5 kg .
5. Test speed :
It can finish testing fertilizer、hydrolysable nitrogen, soil ammonium N、P、K within 1 hour .( it include time for preparing soil sample and pharmacy ) .
