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Specifications
Soil Nutrient ammonium nitrogen, phosphorus &potassium, hydrolysis nitrogen, PH ; Soil moisture ; Fertilizer N, P, K and ureaFast Tester for Soil Nutrient Soil Nutrient meter
1. introduction :
It can test items for ammonium nitrogen,available phosphorus, available potassium, alkaline hydrolysis nitrogen ; LCD display screen ; AC / DC is available ; Resolution : 0.001 – 9999 .
2. Technical Index :
1. Stability : Transmittance number drift is not more than 0.5% (T) or 0.003 (A) within 3 minutes after powering on .
2. Sensitivity : Kλ≥4.50×10-5 , (testing in copper sulfate standard solution).
3. Repeatability error : 0.5 (potassium dichromate solution) .
4. Linear error : Absorbance range : 0.1~0.3,linear error ≤±8% ;0.3~0.6 , linear error : ≤ ±4% ;0.6~0.8,linear error ≤ ±6% (testing in copper sulfate standard solution) .
5. Power : ≤ 5W ( AC) .
6. Testing speed : ≤ 1 hour for one sample ( N, P, K ) .
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