High precision soil heavy metal detector

Product Introduction of Soil and Fertilizer Nutrient Testing Instrument for Scientific Research Level Full Project:

Complete supporting facilities: This instrument integrates medicine, equipment, and instruments, making it easy to carry. It is equivalent to a small mobile laboratory, without the need for user provided accessories, and can also be used for flexible field flow testing. Suitable for agricultural service departments or agricultural material distributors, higher education institutions, research institutes, cooperatives, fertilizer manufacturers, and large growers to conduct soil testing, fertilization, and distinguish the authenticity of fertilizers, as well as environmental protection testing applications.

Full testing function: The testing items are comprehensive both domestically and internationally. Except for standard reagents, all other types of reagents can be added and purchased.

Easy to operate and fast, equipped with a complete set of accessories and ready to use finished drugs upon opening, without the need for configuration.

Performance reliability: The working stability is 6 times better than the national standard JJG179-90 index, and the repeatability reaches the level of the grating spectrophotometer index.

Multi functional and complete testing items:

1. Soil nutrients: ● Soil ammonium nitrogen, soil available phosphorus, soil available potassium, soil nitrate nitrogen, soil hydrolyzed nitrogen, soil total nitrogen, soil total phosphorus, soil total potassium, soil organic matter (Qiu Lin method), soil organic matter (extraction method), pH value, salt content, and moisture. ● Trace elements in soil: soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, and soil chlorine; Soil heavy metals: soil lead, soil arsenic, soil cadmium, soil chromium, and soil mercury.

2. Fertilizer nutrients: ● Single element fertilizer: ammonium nitrogen in nitrogen fertilizer, nitrate nitrogen in fertilizer, urea nitrogen, biuret, phosphorus in phosphorus fertilizer, water-soluble phosphorus in phosphorus fertilizer, and potassium in potassium fertilizer; ● Compound fertilizer total nitrogen, compound fertilizer total phosphorus, and compound fertilizer total potassium; Organic fertilizer total nitrogen, organic fertilizer total phosphorus, organic fertilizer total potassium, organic fertilizer nitrate nitrogen, organic fertilizer available phosphorus, organic fertilizer available potassium, organic fertilizer acid hydrolyzed nitrogen, organic matter; ● water-soluble humic acid (weathered coal), water-soluble humic acid (lignite), water-soluble humic acid (peat), free humic acid (weathered coal), free humic acid (lignite), and free humic acid (peat); ● Water soluble fertilizer total nitrogen, water soluble fertilizer total phosphorus, and water soluble fertilizer total potassium; ● Leaf fertilizer total nitrogen, leaf fertilizer total phosphorus, and leaf fertilizer total potassium; ● Various trace elements in fertilizers: calcium, magnesium, sulfur, silicon, boron, iron, copper, manganese, zinc, and chlorine; Fertilizer heavy metals: fertilizer lead, fertilizer arsenic, fertilizer cadmium, fertilizer chromium, fertilizer mercury.

3. Fresh crop nutrition: ● Crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, and crop potassium; ● Trace elements in crops: crop calcium, crop magnesium, crop sulfur, crop silicon, crop boron, crop iron, crop copper, crop manganese, crop zinc, crop chlorine; Nitrates and nitrites in crops.

4. Dry plant nutrition: ● Plant total nitrogen, plant total phosphorus, and plant total potassium

5. Tobacco nutrition: 20 items including total nitrogen, total phosphorus, total potassium, reducing sugar, water-soluble total sugar, boron, manganese, iron, copper, calcium, magnesium, etc.

6. Food (fruits, vegetables, etc.): ● Nitrates, nitrites, heavy metals (lead, chromium, cadmium, arsenic, mercury), etc.

7. In water quality: ● Ammonium nitrogen, phosphorus in water, potassium, nitrate, nitrite in water, hardness, pH, iron, copper, manganese, zinc, boron, chlorine, sulfur, silicon, molybdenum, etc

 Testing efficiency:

Simultaneous extraction and determination of multiple nutrients such as available N, P, and K in soil (drafter of the industry standard for rapid testing by the Ministry of Agriculture).

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

Test speed: At normal proficiency level:

It takes 20 minutes to test three soil samples (N, P, K), including preparation time for reagents and pre-treatment time. At the same time, it takes ≤ 40 minutes to test three soil samples (N, P, K), and ≤ 1 hour to test eight soil samples.

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

Test error:

The error of soil nitrogen, phosphorus, and potassium is ≤ 1%, the error of organic matter is ≤ 2%, and the relative error of trace elements is ≤ 5%; Fertilizer single item error ≤ 0.5%, nitrogen, phosphorus, and potassium three item error ≤ 1%;

The relative error of heavy metals is less than or equal to 5%.

 Functional features:

★ 1. Android intelligent operating system, the main control chip adopts ARM Cortex-A7, RK3288/4 core processor, with a main frequency of 1.88GHz, faster operation speed, and stronger stability.

★ 2. Adopting a precision rotating colorimetric cell design (patent number: ZL 2018 2 1777724.7), the consistency of the light source is more precise, ensuring detection accuracy.

★ 3. With 12 rotating detection channels, it can quickly detect 12 samples at once, greatly improving detection efficiency and reducing detection costs.

★ 4. Adopting high-precision filter technology and independent patent analysis method (patent number: ZL 2020 2 1763837.9), with authoritative certification.

★ 5. Built in calibration function during the detection process, intelligent constant current and voltage regulation, automatic light intensity calibration, ensuring detection accuracy, and obtaining the "Calibration Certificate" from the China Institute of Metrology.

★ 6. The instrument comes standard with WiFi wireless upload, 4G network transmission, GPRS wireless remote transmission, and fast data upload.

★ 7. Equipped with a smart cloud agriculture platform, the instrument can be connected to the wireless network and selectively or in bulk wirelessly upload detection data, facilitating long-term data management and visual analysis for users.

8. The instrument is equipped with both USB and Ethernet interfaces, built-in large capacity memory, and can be copied with a USB drive at any time.

★ 9. You can log in to the cloud platform on your mobile phone at any time and view historical data online

★ 10. Equipped with a crop expert fertilization system, it can calculate recommended fertilization amounts for over a hundred national agricultural economic crops, fruit trees, and other target yields, and scientifically guide agricultural production based on fertilization formulas. The soil testing formula fertilization results can be printed, including crop types, fertilizer types, target yield, total demand, and recommended fertilization plans.

11. Built in plant nutrition diagnostic standard map, based on images of nutrient deficiencies in various crops, leaf comparison is performed to diagnose abundance and deficiency.

★ Professional testing of cold light sources (red, blue, green, orange) with 12 and 4 wavelengths. The light source has stable wavelengths and operates continuously for a long time without temperature drift. The lifespan can reach up to 100000 hours, with good reproducibility and high accuracy.

13. The colorimetric cell adopts a standard 1cm cuvette, which has no mechanical displacement or wear. The optical path testing is precise and effectively shields external light interference, ensuring that the testing results are better than the national standard requirements.

★ 14. The instrument system comes with sample pre-treatment operation videos, and various sample detection methods can be viewed by clicking on the video module. Testing personnel do not need to self-study the instructions, making teaching convenient and fast for beginners to operate quickly.

15. Equipped with a new generation of high-speed thermal printer (without ribbon), the printed content includes information such as testing unit, testing personnel, testing items, channel number, absorbance, nutrient content (mg/kg), testing time, and QR code

★ 16. High sensitivity 7-inch true color touch screen, adopting more efficient and user-friendly operation, high-definition and interactive display, greatly reducing the cumbersome operation and errors of traditional instruments, and obtaining multiple software copyrights.

17. Built in clock function, convenient for time recording and long-term historical tracing.

18. Multiple account passwords can be set for login, with an efficient UI interaction interface. Different users can freely add, edit, and detect information. After saving, it can be used for a long time.

19. GPS function: It can record longitude and latitude locations during field operations to meet special user needs.

20. Equipped with a built-in low voltage prompt function, it can clearly indicate the battery level during detection, avoiding test data deviation. At the same time, it has a power-off protection function, which automatically saves data during power-off to prevent data loss.

21. The AC/DC dual-purpose power supply mode is equipped with a large capacity rechargeable lithium battery, which can work continuously for more than 10 hours when fully charged. At the same time, it can be connected to an external vehicle power source for energy storage.

★ 22. The instrument has a Chinese English switching function, which can meet export requirements.

23. High strength PVC engineering plastic suitcase design, sturdy and durable, easy to carry.

 Technical parameters:

1. Power supply: AC 220 ± 22V DC 12V+5V (the instrument has a built-in lithium battery and can also be used as a vehicle power supply)

2. Power: ≤ 5W

3. Range and resolution: 0.001-9999

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

5. Instrument stability: Display digital drift free within one hour (transmittance measurement); Digital drift within two hours shall not exceed 0.3% (0.003 for transmittance measurement) and 0.001 for absorbance measurement.

6. Linear error: ≤ 0.1% (0.001, 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 (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. Display resolution: 1024 * 600

13. Seismic grade: IP65

14. Instrument size: 48 × thirty-four point five × 22cm

15. Net weight of the host: 5.2kg

 After sales service:

The entire instrument is guaranteed for five years, with lifetime free maintenance services, free shipping of instruments, and free training.

Lifetime free agricultural related technical support such as soil and fertilizer!