characteristic:

★ The design of the integrated aluminum alloy chassis/medicine box is easy to carry, sturdy and durable, and comes with finished medicine products.

★ Microcomputer control, digital circuit, programmed design, LCD display, AC/DC dual-use, can be used for field flow testing, reducing operator errors and labor intensity.

★ Resolution: 0.001, touch sensitive buttons, built-in thermal printer, capable of printing test results.

★ Adopting high brightness LED light source and dual dial filter processing technology to ensure stable wavelength of the light source, silicon semiconductor is used as the signal receiving system with a lifespan of up to 100000 hours. The light source is stable, with good reproducibility and high accuracy.

The colorimetric groove adopts a single channel design, with no mechanical displacement or wear. The optical path testing is well positioned to ensure the accuracy of the measurement results.

★ The supporting crop expert fertilization system data can scientifically calculate the recommended fertilization amount for the target yield of 160 national agricultural, fruit tree, and economic crops.

★ Adopting independent analysis methods, the test results meet the requirements of the national standard.

1、 Test project:

Soil nutrients: 12 items including ammonium nitrogen, nitrate nitrogen, available phosphorus, available potassium, organic matter, total nitrogen, total phosphorus, total potassium, pH value, salt content, moisture, and alkaline (hydrolyzed) nitrogen;

Medium and trace elements: calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc; Heavy metals such as lead, chromium, cadmium, mercury, arsenic, nickel, aluminum, fluorine, titanium, selenium, etc.

Fertilizer nutrients: nitrogen, phosphorus, and potassium in elemental fertilizers;

Ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, and urea in compound (mixed) Hefei and urea;

Available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter in organic fertilizers pH， Various humic acids, trace elements (calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum), etc.

Plant nutrients: nitrogen, phosphorus, and potassium in the plant; Nitrates and nitrites; Calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc.

Nutrients of tobacco leaves: 20 items including total nitrogen, total phosphorus, total potassium, reducing sugars, water-soluble total sugars, boron, manganese, iron, copper, calcium, magnesium, etc.

Soil and fertilizer heavy metals: nearly ten heavy metals such as lead, chromium, cadmium, arsenic, mercury, etc.

Food (fruits, vegetables, etc.): nitrate, nitrite, heavy metals (lead, chromium, cadmium, arsenic, mercury), etc.

2、 Technical indicators:

1. Power supply: AC 220 ± 22V DC 12V (can be charged with a car power supply, the instrument comes with a built-in lithium battery as standard)

2. Power: ≤ 5W

3. Range and Resolution: 0.001-9999

4. Repeatability error: ≤ 0.02% (0.0002, potassium dichromate solution)

5. Instrument stability: Drift less than 0.3% within one hour (0.003, transparency measurement). After the instrument is turned on and preheated for 5 minutes, there will be no drift in the displayed numbers within 30 minutes (transparency measurement); The numerical drift within one hour shall not exceed 0.3% (for transparency measurement) and 0.001 (for absorbance measurement); The digital drift within two hours should not exceed 0.5% (0.005, measured for transparency).

6. Linear error: ≤ 0.1% (0.001, copper sulfate detection); Transmittance indication error: 420nm transmittance indication error<0.5%, 510nm transmittance indication error<1%, 590nm transmittance indication error<1%, 680nm transmittance indication error<0.5%

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 (pH): (1) Test range: 1-14 (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 testing range: 0-100%; Error less than 0.5%

12. Simultaneous extraction and determination of efficient N, P, and K nutrients in soil, and scientific recommendation of fertilizer application rates

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

14. Testing speed: Test a soil sample (N, P, K) for ≤ 30 minutes (including pre-treatment time, without the need for any attachments from the user)

15. Simultaneously test 8 soil samples for ≤ 1 hour (including pre-treatment time)

16. Data printing: Built in thermal printer

3、 Test speed:

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

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

4、 Test error:

Soil error ≤ 5%; The single error of compound fertilizer is ≤ 0.5%, and the error of nitrogen, phosphorus, and potassium is ≤ 1%; The error of nitrogen, phosphorus, and potassium in organic fertilizer is ≤ 0.5%.

5、 Product Instrument Features:

Full functionality: All testing items are available (various types of drugs can be selected).

Fully equipped: This instrument integrates medicine, equipment, and instruments, making it easy to carry and equivalent to a small laboratory. Suitable for agricultural service departments or agricultural material distributors, fertilizer manufacturers to conduct soil testing and fertilization, and to identify the authenticity of fertilizers.

Easy to operate and fast, the finished medicine can be used immediately after opening the bottle, without the need for configuration.

6、 Technical parameters:

Configuration List: