characteristic:

Organic fertilizer nutrients: available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter, various humic acids, trace elements (calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum), heavy metals, etc. in organic fertilizer.

Fertilizer nutrients: nitrogen, phosphorus, and potassium in elemental fertilizers; Ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, and urea in compound (mixed) Hefei and urea.

2、 Technical indicators:

1. Fully equipped and easy to carry, equivalent to a small laboratory, convenient for on-site testing. The finished medicine can be used immediately after opening the bottle, ensuring fast testing speed.

2. Complete testing items: can detect nitrogen, phosphorus, and potassium in soil, fertilizers, and plants; Organic matter; 10 trace elements (calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc.); 5 heavy metals (lead, chromium, cadmium, mercury, arsenic, etc.); Pesticide residues.

3. Built in thermal printer, ready to use upon startup, capable of real-time printing of test results.

3、 Performance characteristics:

1. High system configuration and multiple testing items: N, P, K, organic matter, trace elements, heavy metals, pesticide residues can all be detected.

2. High measurement accuracy: error within 0.5%.

3. Good reproducibility: Under different experimental conditions, the same measurement method was used to measure the same test sample, and the relative standard deviation (RSD) between the measurement results was less than 1.02%.

4、 Operation requirements:

Please follow the instructions for operation.

5、 Technical parameters:

1. Mode 1 (transmittance) measurement range: 0-300%

2. Mode 2 (absorbance) measurement range: 0-3.5

3. Mode 3 (concentration) direct reading range: 0-1999

4. Mode 1 linear accuracy: ± 0.5%

5. Mode 2 accuracy: ± 0.005

6. Mode 1 reproducibility: 0.5%

7. Noise: 0.5%

8. Power supply: 220V ± 5%

9. Comes with built-in thermal printer

10. Seismic resistance: Qualified

6、 Configuration List:

Two aluminum alloy boxes for instrument box and medicine box: main unit (with built-in thermal printer), electronic balance, straw, colorimetric dish, small aluminum box, triangular bottle, volumetric flask, filter paper, washing bottle, corner spoon, test tube, test tube rack, and a set of soil nitrogen, phosphorus, and potassium medicines.