Scientific research-grade soil fertilizer nutrient rapid tester

Features of scientific research-grade soil fertilizer nutrient rapid tester:

1. “Chassis/medicine integrated aluminum alloy chassis” design, easy to carry, durable, and equipped with finished medicine.

2. Microcomputer control, digital circuit, program design, LCD display, AC and DC dual-use, field flow test, greatly reducing operator errors and labor intensity.

3. Resolution: 0.001, touch button, built-in high-efficiency thermal printer, can print test results.

4. The instrument can detect soil and fertilizers, organic fertilizers (including foliar fertilizers, water-soluble fertilizers, spray fertilizers, etc.), plants in the quick-acting nitrogen, quick-acting phosphorus, effective potassium, total nitrogen, total phosphorus, total potassium, organic matter, pH, calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum and other trace elements and lead, chromium, cadmium, mercury, arsenic, nickel, aluminum, fluorine, titanium, selenium and other heavy metals.

5. High-brightness LED light source and double-wheel filter processing technology are used to ensure the stability of the light source wavelength. Silicon semiconductor is used as the signal receiving system, and the life span is up to 100,000 hours. The light source is stable, reproducible and accurate.

6. The colorimetric tank adopts a single-channel design, without mechanical displacement and wear, and the optical path test positioning is accurate to ensure the accuracy of the measurement results.

7. With the data of the expert fertilization system, the target yield of more than 100 kinds of national agriculture, fruit trees, and cash crops can be scientifically calculated and recommended.

8. The high-precision filter technology independent patent analysis method (patent number: ZL 2018 2 1777724.7) is adopted to ensure that the test results are better than the national standard requirements.

Multiple functions and complete test items:

1. Soil nutrients: ● Ammonium nitrogen, nitrate nitrogen, available phosphorus, available potassium, organic matter, total nitrogen, pH value, moisture, alkaline nitrogen and other nine items; ● Medium and trace elements: calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc.

2. Fertilizer nutrients: ● Nitrogen, phosphorus, and potassium in single chemical fertilizers; ● Ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, and biuret in compound (mixed) fertilizers and urea; ● Available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter, various humic acids, trace elements (calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum), etc. in organic fertilizers.

3. Plant nutrients: ● Nitrogen, phosphorus, and potassium in plants; nitrates, nitrites; calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc.

4. Tobacco leaf nutrients: total nitrogen, total phosphorus, total potassium, reducing sugar, water-soluble total sugar, boron, manganese, iron, copper, calcium, magnesium, etc. 20 items.

5. Heavy metals in soil and fertilizer: nearly ten heavy metals such as lead, chromium, cadmium, arsenic, mercury, nickel, aluminum, fluorine, titanium, selenium, etc.

6. Food (fruits, vegetables, etc.): nitrates, nitrites, heavy metals (lead, chromium, cadmium, arsenic, mercury, nickel, aluminum, fluorine, titanium, selenium), etc.

7. Water quality: ● ammonium nitrogen, nitrates, nitrites, phosphorus, potassium, hardness, PH, iron, copper, manganese, zinc, boron, chlorine, sulfur, silicon, molybdenum, etc.

Instrument technical indicators:

1. Power supply: AC 220±22V DC 12V+5V (vehicle power supply or built-in lithium battery can be selected)

2. Power: ≤5W

3. Range and resolution: 0.001-9999

4. Repeatability error: ≤0.05% (0.0005, potassium dichromate solution)

5. Instrument stability: drift within one hour is less than 0.3% (0.003, transmittance measurement). After the instrument is turned on and preheated for 5 minutes, the displayed digital display will have no drift within 30 minutes (transmittance measurement); the digital drift within one hour does not exceed 0.3% (transmittance measurement) and 0.001 (absorbance measurement); the digital drift within two hours does not exceed 0.5% (0.005, transmittance measurement).

6. Linear error: ≤0.2% (0.002, copper sulfate detection)

7. Sensitivity: red light ≥4.5 ×10-5 blue light ≥3.17 ×10-3 green light ≥2.35 ×10-3 orange light ≥2.13 ×10-3

8. Wavelength range: red light: 680 ± 2nm; blue light: 420 ± 2nm; green light: 510 ± 2nm; orange light: 590 ± 4nm

9. PH value (acidity): (1) Test range: 1 to 14 (2) Accuracy: 0.01 (3) Error: ±0.1

10. Salt content (conductivity): (1) Test range: 0.01% to 1.00% (2) Relative error: ±5%

11. Soil moisture technical parameters Water unit: ﹪ (g/100g); Moisture content test range: 0-100﹪; Error less than 0.5%

12. One-time simultaneous extraction and determination of three nutrients, N, P, and K in the soil, and scientific recommendation of fertilizer application amount

13. Simultaneous, rapid and accurate detection of nutrients such as nitrogen (N), phosphorus (P), and potassium (K) in fertilizers (invention patent technology)

14. Test speed: Test one soil sample (N, P, K) ≤ 30 minutes (Including pre-processing time, no attachments are required from the user)

15. 8 soil samples can be tested simultaneously for ≤1 hour (including pre-processing time)

16. Data printing: built-in high-efficiency one-button thermal printer

Test speed:

Test one soil sample (N, P, K) ≤30 minutes, and test three soil samples (N, P, K) simultaneously for ≤40 minutes;

Test one fertilizer sample (N, P, K) ≤50 minutes, and test three fertilizer samples (N, P, K) simultaneously for ≤1.5 hours.

Test error:

Soil error ≤5%; fertilizer single item error ≤0.5%, nitrogen, phosphorus and potassium three item errors ≤1%.

Product instrument features:

Full functions: comprehensive test items at home and abroad (all kinds of agents can be purchased).

Complete supporting facilities: The instrument integrates medicine, equipment and instrument, is easy to carry, and is equivalent to a small laboratory. Suitable for agricultural service departments or agricultural material dealers, fertilizer manufacturers to test soil fertilization and identify the authenticity of fertilizers.

The operation is simple and fast, and the finished medicine can be used immediately after opening the bottle without the need for preparation.