Soil Nutrient Tester
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soil nutrient tester
Quickly test the N, P, K, humic acid , organic matter, salinity, and PH in the soil, fertilizer and plant
With the function of time display, can automatically record and save the time of test sample.
Store about 1000 groups datum(time, place, fertilizers) , datum can be checked at any time.
Print like the test date, number, items, sample contents, variety and so on
Chinese big-screen LCD shows, and will guide you how to operate.
When in the test, it has the functions of playback, so its very convenient and reasonable.
Armor plate shell, firm, beautiful and durable.
According to the local situation, you can set the variety, productivity, kind of fertilizer and will automatically calculate the fertilizing amount.
The result will automatically transfer to the computer, for analyzing , gathering and storing.
1. Nutrient measurement technology indicators:
1) Stability: A(absorbency of illumimation) drift less than 0.003 in three minutes.
2) Repetitiveness: A(absorbency of illumimation) less than 0.005
3) Linearity errors: less than 3.0 %
4) Sensitivity: red light >=4.5 W10-5; green light >=3.17W10-3
5) Wavelength range: red light 62014nm; blue light 44014nm; green light 52014nm
6) Shake resistance: qualified
(Attention: above indicators all exceed national standards)
2. PH: measurement technology indicators:
1) Range: 1~14
2) Error: 10.1
3. Salinity measurement technology indicators:
1) Range: 0.01%~1.00%
2) Error: 15%
1) . Alternating current (AC) : 80V~240V, 50Hz; 2) Direct current: 18V, 5W (With tester)