Soil testing and fertilizer formula meter

Introduction of soil testing and formula fertilizer meter:

1. It can detect the available nitrogen, available phosphorus, effective potassium, total nitrogen, total phosphorus, total potassium, organic matter, pH value, various trace elements such as calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, and various heavy metals such as lead, chromium, cadmium, mercury, and arsenic in soil and fertilizers, organic fertilizers (including foliar fertilizers, water-soluble fertilizers, spray fertilizers, etc.), plants.

2. Built-in sensor interface, equipped with FDR sensor, can measure soil moisture content, soil ambient temperature, soil conductivity, soil PH (acidity), air temperature and humidity, atmospheric pressure, light, carbon dioxide, dew point and other soil meteorological indicators. Soil moisture detection does not require external equipment. Directly connect the sensor to the instrument interface and insert it into the soil for detection. Meteorological indicator detection only requires connecting the sensor to the host, and the instrument screen interface directly displays the value, which is convenient, fast and accurate.

3. Interface: USB interface, wifi network upload, 4G network transmission, GPRS wireless remote transmission, network cable interface, fast export of uploaded data.

4. Operating system: Android 4.4.2 operating system, the main control uses a multi-core processor, the CPU main frequency ≥ 1.88Ghz, the operation speed is faster, and the stability is stronger.

5. The instrument uses a 7-inch capacitive touch screen with high sensitivity and long life, which greatly reduces the cumbersome operation and errors of traditional instruments, and displays the instrument detection interface status information in real time, and displays the current charging status and battery power status of the system in real time.

6. Built-in 6000mAH lithium battery pack to ensure that the instrument works for more than 4 hours, AC and DC dual-use, and can realize field flow testing.

7. Built-in soil testing and formula fertilization system, directly input nutrient test results, and calculate the one-time fertilization amount; can calculate the recommended fertilization amount for the target yield of more than 100 kinds of national agricultural economic crops, and formula fertilization scientifically guides agricultural production; soil testing and formula fertilization results can be printed, and the printed content includes crop type, fertilizer type, target yield, total demand, recommended fertilization plan, and QR code.

8. Adopting the precision 12-channel circular disc rotating colorimetric cell design (non-solid-state module), up to 12 samples can be tested at the same time at one time. The channel error is reduced by scanning one by one through the optical fiber detector, ensuring that the repeatability of each channel is "0", improving the measurement accuracy and reducing the detection cost.

9. Built-in crop map diagnosis: According to the pictures of nutrient deficiency of each crop, the leaf surface is compared to diagnose the abundance and deficiency.

10. The colorimetric tank part adopts the standard 1cm colorimetric dish, without mechanical displacement and wear, the optical path test positioning is accurate, and the external light interference is effectively shielded, ensuring that the test results are better than the national standard requirements.

11. The internal RAM of the instrument is ≥4GB, with large storage capacity, and can store data for a long time. The test result data supports offline storage and online reporting. The monitoring data can be directly uploaded to the platform without connecting to a computer, which is convenient for data management and long-term data analysis. It also supports the data export function, which can export the test data to a computer or mobile device for easy storage;

12. The instrument has a built-in high-speed thermal printer, and there is no need to replace the ribbon. After the test is completed, the test result report and QR code can be automatically printed. The printed content includes the test items, test personnel, test unit, test time, channel number, absorbance, content (mg/kg), and QR code.

13. Each channel is equipped with four (red, blue, green, and orange) wavelength light sources, and all light sources achieve constant current voltage regulation, precision and stability. Silicon semiconductors are used as signal receiving systems with a lifespan of up to 100,000 hours, good reproducibility, and high accuracy.

14. Portable integrated suitcase, high-strength PVC engineering plastic design, durable and easy to carry, power supply mode is AC and DC, and can be used for field mobile testing of finished pharmaceuticals. Portable integrated suitcase, made of metal, the box is waterproof, pressure-resistant, and easy to carry.

15. Built-in laser locator: achieve 12-channel precise positioning.

16. Built-in standard curve, automatic concentration calculation; built-in national standard limit standard library, automatic result judgment.

17. The instrument has built-in sample pretreatment steps and machine detection steps operation video, click on the main interface of the instrument to watch, one-on-one guidance teaching, faster and easier to get started!

18. GPS positioning function: can real-time satellite positioning longitude, latitude and geographical location information, etc.

19. The instrument has its own protection function, and the user name and password can be set to prevent non-staff operations, etc.;

20. The instrument is equipped with a customized special aluminum alloy medicine accessory box, which is convenient to carry out, equivalent to a small laboratory;

21. The sample detection reagent is a finished medicine with exclusive formula developed by our company. It can be used immediately after opening the bottle, without the need for complicated reagent configuration. The reagent variety is relatively complete in China, no refrigeration is required, and the shelf life is long;

Functions and test items of soil testing formula fertilization instrument

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, water.

●Trace elements in soil: soil calcium, soil magnesium, soil sulfur, soil silicon, soil boron, soil iron, soil copper, soil manganese, soil zinc, soil chlorine;

●Soil heavy metals: soil lead, soil arsenic, soil cadmium, soil chromium, soil mercury.

2. Environmental factors:

● Soil volumetric moisture content, soil temperature, soil conductivity, air temperature, air humidity, dew point, atmospheric pressure, light intensity, carbon dioxide.

3. Fertilizer nutrients:

● Single element fertilizer: ammonium nitrogen in nitrogen fertilizer, nitrate nitrogen in fertilizer, urea nitrogen, biuret, phosphorus in phosphate fertilizer, water-soluble phosphorus in phosphate fertilizer, potassium in potash fertilizer;

● Total nitrogen in compound fertilizer, total phosphorus in compound fertilizer, total potassium in compound fertilizer;

● Total nitrogen in organic fertilizer, total phosphorus in organic fertilizer, total potassium in organic fertilizer, nitrate nitrogen in organic fertilizer, quick-acting phosphorus in organic fertilizer, quick-acting potassium in organic fertilizer, acid-soluble nitrogen in organic fertilizer, organic matter;

● Water-soluble humic acid (weathered coal), water-soluble humic acid (lignite), water-soluble humic acid (mud =Charcoal), free humic acid (weathered coal), free humic acid (lignite), free humic acid (peat);

●Water-soluble fertilizer total nitrogen, water-soluble fertilizer total phosphorus, water-soluble fertilizer total potassium;

●Foliar fertilizer total nitrogen, foliar fertilizer total phosphorus, foliar fertilizer total potassium;

●Various fertilizer trace elements: fertilizer calcium, fertilizer magnesium, fertilizer sulfur, fertilizer silicon, fertilizer boron, fertilizer iron, fertilizer copper, fertilizer manganese, fertilizer zinc, fertilizer chlorine;

●Fertilizer heavy metals: fertilizer lead, fertilizer arsenic, fertilizer cadmium, fertilizer chromium, fertilizer mercury.

4. Fresh crop nutrition:

●Crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, 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;

●Nitrate and nitrite in crops.

5. Dry plant nutrition:

●Total nitrogen, total phosphorus, total potassium

6. Tobacco leaf nutrition:

●Total nitrogen, total phosphorus, total potassium, reducing sugar, water-soluble total sugar, boron, manganese, iron, copper, calcium, magnesium, etc. 20 items.

7. Food (fruits, vegetables, etc.):

●Nitrate, nitrite, heavy metals (lead, chromium, cadmium, arsenic, mercury), etc.

8. Water quality:

●Ammonium nitrogen, phosphorus in water, potassium in water, nitrate, nitrite, hardness, PH, iron, copper, manganese, zinc, boron, chlorine, sulfur, silicon, molybdenum, etc.

Technical indicators of soil testing and formula fertilization instrument:

1. Power supply: AC 220±22V DC 12V+5V (built-in lithium battery in the instrument)

2. Power: ≤5W

3. Range and resolution: 0.001-9999

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

5. Instrument stability: drift is less than 0.3% (0.003, transmittance measurement) within one hour. 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 and alkalinity):

.PH value range: 0-14PH, resolution: 0.01PH, accuracy ±0.1PH

.Protection level: IP65

.Operating environment: -40~85℃

.Default cable length: PH probe cable 5 meters

10.Salt content (conductivity):

.Soil salt range: 0-20000us/cm

.Measurement accuracy: ±3% in the range of 0-10000us/cm; ±5% in the range of 10000-20000us/cm;

.Resolution: 10us/cm in the range of 0-10000us/cm; 50us/cm in the range of 10000-20000us/cm;

.Salt temperature compensation: built-in temperature compensation sensor, compensation range 0-50℃;

11. Soil moisture:

.Range: 0-100%

.Measurement accuracy: ±2% in the range of 0-50%; ±3% in the range of 50-100%;

.Resolution: 0.1%; Interchangeability accuracy: <3%; Repeated measurement error: <1%;

.Response time: <1 second, measurement stabilization time: 1 second;

Measurement area: Cylinder with a diameter of 10 cm and a height of 10 cm;

Range: 0-100% (m3/m3); Measurement accuracy: ±2% (m3/m3) in the range of 0-50% (m3/m3); ±3% (m3/m3) in the range of 50-100% (m3/m3); Resolution: 0. 1%

12. Soil temperature: Soil temperature range: -40-100℃ Measurement accuracy: ±0.5℃ Resolution: 0.1℃

13. Air temperature: Measurement range: -40~120℃ Measurement accuracy: ±0.3℃ Resolution: 0.1℃

14. Air humidity: Measurement range: 0%HR-100%HR Measurement accuracy: ±3%HR Resolution: 1%

15. Dew point humidity: Measurement range: -20~50℃ Measurement accuracy: ±0.5℃ Resolution: 0.1℃

16. Dew point humidity: Measurement range: 0-200000Lux Measurement accuracy: 0.054Lux Resolution: 0.001 Lux

17. Atmospheric pressure: measurement range: 300~110kPa measurement accuracy: 0.06hPa resolution: 0.01Lux

18. Carbon dioxide (CO2): measurement range: 0-5000PPM measurement accuracy: 50PPM resolution: 1PPM

19. Meteorological sensor: baud rate: 9600, ABS shell, 2m RS485 transmission line;

13. One-time simultaneous extraction and determination of three nutrients, N, P and K in soil, and scientifically recommended fertilizer application amount (drafter of the Ministry of Agriculture's rapid measurement industry standard)

14. Simultaneous, rapid, and Accurate detection (technology)

15. Test speed: Test one soil sample (N, P, K) ≤18 minutes (including pre-processing time, no accessories are required from the user)

16. Test 10 soil samples simultaneously ≤1 hour (including pre-processing time)

17. Instrument size: 43×34.5×19cm, main unit net weight: 5.1kg

Test speed of soil test formula fertilizer meter:

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

Test one single fertilizer sample ≤30min, test one compound fertilizer sample ≤40min, test one organic fertilizer sample ≤60min.

Product's Website：http://en.huoerd.com/ctpfsfy/286.html