Soil testing equipment Soil ph NPK fertility tester

The soil tester can quickly test the N, P, K, organic matter, salinity, and PH in the soil, fertilizer and plants. The machine can store and print data .Have complete chemicals which are for free at the first time.

1.Quickly test the N, P, K,organic matter, salinity, and PH in the soil, fertilizer and plants.

2.With the function of time display, can automatically record and save the time of tested sample.

3.Store about 1000 groups datum(time, place, fertilizers) , datum can be checked at any time.

4.Print testing date, sample number, sample items, sample contents, variety and so on

5.Big-screen LCD shows, and will guide you how to operate.

6.Can set crop variety, crop yield, fertilizer variety, and automatically count the fertilizing amount.

7.Built-in large capacity rechargeable battery.

1. Nutrient technical parameter:

1) Stability: A(absorbency of light) drift < 0.003 in three minutes.

2 )Repetitiveness: A(absorbency of light) <0.005

3) Linearity errors: <3.0 %

4)Sensitivity: Red light ≥4.5 ×10^-5    

                        Blue light ≥3.17×10^-3

5) Wavelength range: red light 620 ±4nm   Blue light 440±4nm   Green light 520 ± 4 nm

6)Anti-knocking performance: qualified

(Attention: above technical parameters all exceed national standards)

2. PH specification:

     Range: 1-14

     Error: ±0.1

3. Salinity specification:

   Range: 0.01% -1.00%

   Error: ±5%

4.Power:

Alternating current (AC): 80V- 240V,50Hz,)

Direct current: 18V,5W (With tester)

5.Soil moisture technical parameter:

Moisture unit:%(m³/m³)

Accuracy:±2%

moisture content rate testing range: 0-100%

Model difference:

Detailed Images