Name: Soil Nutrient Tester

Model: TPY-6A

Function:

Test N,P,K, PH, organic matter, soil PH, soil salinity, with storage and printing function, built-in the amount of nutrients needed for growth of 70 kinds of crops, can provide guidance for fertilizing amount according to needs, with printing function

Characteristic:

Can quickly test N,P,K organic matter, salinity, and PH in the soil, fertilizer and plants

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

Can store about 1000 groups datum (time, place, fertilizer), datum can be checked at any time.

Can print testing data, sample No, testing item, sample content, variety and so on

Big LCD display, easy to operate

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

Built-in large capacity rechargeable battery.

Technical parameters:

1. Nutrient measurement technical parameters:

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

Repetitiveness: A(absorbency of light) < 0.005

Linearity errors: <3.0 %

Sensitivity: Red light ≥4.5 ×10^-5; Blue light ≥3.17×10^-3

Wave length range: Red light 620 ±4nm; Blue light 440±4nm; Green light 520 ± 4 nm

Anti-knocking performance: qualified

(Attention: above technical parameters all exceed national standards)

2. PH technical parameters:

Testing range: 1-14

Error: ±0.1

3. Salinity technical parameters:

Testing range: 0.01% -1.00%

Relative error: ±5%

4. Soil moisture technical parameters:

Moisture unit: % (m³/m³)

moisture content rate testing range: 0-100%

accuracy: ±2%

5. Power:

Alternating current: 80V- 240V,50Hz

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