1、 Performance characteristics:

1. 7-inch color Chinese LCD touch screen display

2. Adopting a new instrument structure design, it has a small volume and is easy to carry. No mechanical moving parts, anti-interference and anti vibration

3. Simultaneously activate and activate two measurement modes, one for each channel. When measuring multiple samples, customers can choose their own measurement mode based on their proficiency in operation, in order to minimize measurement errors caused by the coefficient of variation between channels.

4. High accuracy: Using ultra bright LED light source, it has good wavelength accuracy and repeatability, comprehensively improving the accuracy of detection results.

5. High degree of automation: instrument automatic diagnosis system faults, wavelength calibration: automatic calibration

6. Long service life of the instrument: using LED light source, automatic switch energy-saving design, non continuous working mode. The service life can reach 10 years

7. Built in micro thermal printer, lifetime no need to replace ribbon, real-time printing of detection results, detection report can print vegetable name, inhibition rate, qualification, detection date, and detection unit. It can better reflect the authority of the test results and facilitate public disclosure.

8. Equipped with RS-232 interface and USB port (upgradable wireless WiFi, Ethernet interface), etc., data processing, statistical analysis, and result uploading can be performed through a computer.

9. Built in lithium battery, easy to carry.

2、 Test project:

1. In soil: total nitrogen, total phosphorus, total potassium, ammonium nitrogen, nitrate nitrogen, hydrolyzed nitrogen, available phosphorus, available potassium, calcium, magnesium, sulfur, iron, boron, manganese, copper, zinc, molybdenum, silicon, chlorine, selenium, pH value, moisture, salt, organic matter, humic acid, amino acids, etc.

2. In organic fertilizers, compound fertilizers, elemental fertilizers, urea, water-soluble fertilizers, liquid fertilizers, etc.: total nitrogen, total phosphorus, total potassium, available nitrogen, available phosphorus, available potassium, organic matter, humic acid, amino acids, moisture, pH value, urea, calcium, magnesium, sulfur, iron, boron, manganese, copper, zinc, molybdenum, silicon, chlorine, selenium, etc.

3. In plants: nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, boron, manganese, copper, zinc, molybdenum, silicon, chlorine, selenium, etc.

4. Soil heavy metals: cadmium, chromium, lead, mercury, arsenic, nickel, copper, zinc, etc.

5. Pesticide residues: organophosphates and amino esters.

6. Water quality: COD, pH value, chromaticity, turbidity, suspended solids, dissolved total solids, conductivity, nitrate, nitrite, formaldehyde, ozone, cyanide, fluoride, volatile phenols, ammonia nitrogen, total nitrogen, phosphate, potassium, total hardness (calcium), magnesium, sulfide, silicon, total iron, copper, manganese, zinc, boron, chloride, lead, arsenic, chromium, cadmium, mercury, aluminum, selenium, nickel, amino acids, etc.

3、 Technical indicators:

1. Detection channel: 5 channels

2. Accuracy error: ± 3%

3. Linear error: ± 5 ‰

4. Stability: ± 0.001A/hr

5. Wavelength range: 400-700nm

6. Absorption range: 0.000~4.00 ABS

7. Transmission density repeatability: ± 1%

8. Data storage of 8000 records

9. Sample testing time: ≤ 3 minutes

10. Colorimetric dish: 10 × 10mm standard sample cell

11. Host size: 350 × 300 × 115mm

4、 Test speed:

Can simultaneously detect 5-10 samples, with an average measurement time (N, P, K) of ≤ 30 minutes per sample.

5、 Instrument features:

Fully equipped: This instrument integrates medicine, equipment, and instruments, making it easy to carry and equivalent to a small laboratory. It is suitable for agricultural service departments, agricultural material distributors, and fertilizer manufacturers to test soil, fertilize, and identify the authenticity of fertilizers. It is easy to operate, fast, and can be used as soon as the finished medicine is opened.

Reliable performance: 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.

6、 Configuration List: