1、 Performance characteristics:

1. The instrument has a 16 channel independent structure design with multiple optical paths, ensuring precise positioning for optical path testing and ensuring the accuracy of measurement results;

2. Adopting a 7-inch color capacitor touch screen display, with a user-friendly interface and dual switching function between Chinese and English;

3. Built in board clock chip, the screen can synchronously display the current year, month, day, hour, and minute;

4. GPS testing technical parameters: built-in GPS antenna, with satellite positioning longitude, latitude, and altitude functions;

5. It can perform functions such as single deletion, complete deletion, printing of data, printing of environment parameters, forward and reverse sorting, sorting by project name, filtering by date, etc;

6. Equipped with a built-in micro printer, the test results can be stored and printed on the machine. The stored and printed content should include: testing unit, testing date, testing time, testing items, sample content, crop variety, fertilizer variety, fertilizer quantity, and other relevant information;

7. Recommended fertilizer application rates can be calculated for the target yields of over 100 types of national agricultural, fruit tree, and economic crops. Crop varieties, crop yields, fertilizer varieties, and target yields can be set according to local conditions, and the fertilizer application amount can be automatically calculated;

8. Data transmission can be remotely transmitted to a computer via WiFi or GPRS for further processing of the data;

9. The instrument is equipped with soil information monitoring software, which can summarize and report nutrient data to the soil information monitoring system;

10. The instrument is versatile and can be connected to multiple sensors to measure parameters such as CO2, soil salinity, photosynthetically active radiation, and light intensity; (Optional)

11. The instrument can set a password, so users do not need to choose their own username to prevent the loss of measured data;

12. Equipped with a built-in high-power lithium battery pack, it can be used for both AC and DC, and can achieve field flow testing. The instrument has a low voltage display and can work in standby mode after power failure to prevent data loss;

13. It has voice guidance and broadcasting functions.

2、 Test project:

The detection function includes soil and fertilizer, organic fertilizer, biological fertilizer, available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter content, pH (quantitative), salt content, effective radiation, air temperature, humidity, dew point, longitude, and latitude in plants.

3、 Technical indicators:

1. Number of channels: 16 channels

2. Multiple samples can be tested simultaneously, and each sample is controlled by a program to work independently without interfering with each other

3. Range and Resolution: 0.001-9999

4. Stability: Drift less than 0.003 within three minutes

5. Linear error: less than 0.003

6. Repetitive error (A): less than 0.005

7. Moisture content testing range: A. Humidity range: 0-100% B. Measurement accuracy: ± 3%

8. Technical parameters for pH measurement: A. Test range: 1-14 B. Error: ± 0.1

9. Salt content (conductivity) measurement technical parameters: A. Test range: 0.01% to 1.00% B. Relative error: ± 5%

10. Dew point measurement technical parameters: range: -40 ℃ to 120 ℃; Accuracy: ± 0.4 ℃; Resolution: 0.1 ℃

11. Technical parameters of photosynthetically active radiation: range: 0-2700 μ mol m-2 s-1 (400-700nm); Accuracy: ± 1 μ mol m-2 s-1; Resolution: 1 μ mol m-2 s-1

12. Power supply for this instrument: AC mains power: 180V~240V, 50Hz; DC: 18V, 5W (included in this instrument)

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

14. Wavelength range: Red light 620 ± 4nm; Blue light 440 ± 4nm; Green light 520 ± 4nm

15. Combined extraction of nitrogen, phosphorus, and potassium: simultaneous extraction of nitrogen, phosphorus, and potassium from soil can be completed in 3 minutes

16. Testing speed: Test one soil sample (N, P, K) for ≤ 30 minutes and simultaneously test five soil samples for ≤ 50 minutes (including pre-treatment time)

17. Instrument size: 440mm × 300mm × 160mm

18. Seismic resistance: Qualified

4、 Easy to operate:

Fully equipped: The rapid testing instrument integrates medicine, equipment, and instruments, making it easy to carry and equivalent to a small laboratory for on-site testing and mobile services. The finished medicine can be used immediately after opening the bottle, ensuring fast testing speed. Low cost, measuring a nutrient (N, P, K) costs only 3 yuan.

5、 Configuration List:

Instrument box: host, balance, electrode, colorimetric dish, power cord, communication software.

Medicine box: triangular bottle, volumetric flask, funnel, measuring cylinder, filter paper, aluminum box, washing bottle, 1 set of medicine, etc.