The modern agricultural multi parameter collection box is an instrument used to detect parameters such as available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter content, pH value, salt content, as well as organic phosphorus and carbamate pesticide residues in vegetables and fruit sugar content in samples of soil, plants, chemical fertilizers, etc

Instrument Features
1. Humanized operation interface, simple and intuitive, users can directly operate according to the operation prompts;
2. An instrument that can detect parameters such as available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter content, pH value, salt content, as well as residual organic phosphorus and carbamate pesticides in vegetables and fruit sugar content
3. Encoding button, easy and fast operation;
4. Adopting constant current drive and controllable light source technology to improve the stability of the light source and extend its service life;
5. High precision optical signal acquisition and conversion circuit to improve detection accuracy;
6. The function of recording inspection result data can be conveniently uploaded to the computer for analysis and archiving;
7. Two printing options for convenient printing of detection data at any time;
8. Common settings memory function, factory reset function, convenient for users to use;
9. Large capacity storage function, convenient for users to access past data.
10. Unique roller operation design, quick and convenient selection and confirmation
11. USB interface design, with upper computer software, easy to store files, can be directly imported into EXCEL, and has automatic data saving function when powered off;
technical indicators
1. Nutrient measurement technology indicators:
(1) Stability: A value (absorbance) drifts less than 0.003 within three minutes
(2) Repeatability: A value (absorbance) less than 0.005
(3) Linear error: less than 3.0%
(4) Sensitivity: Red light ≥ 4.5 × 10-5, blue light ≥ 3.17 × 10-3
(5) Wavelength range: Red light 620 ± 4nm, blue light 440 ± 4nm, green light 520 ± 4nm
2. PH value (acidity and alkalinity) measurement technical indicators:
(1) Test scope: 1-14
(2) Error: ± 0.1
3. Salt content (conductivity) measurement technical indicators:
(1) Test range: 0.01% to 1.00%
(2) Relative error: ± 5%
4. Technical indicators for pesticide residue measurement:
(1) Wavelength: 410 ± 5nm
(2) Wavelength repeatability: ± 1.5nm
(3) Transmittance accuracy: ± 0.5% T
(4) Transmission density repeatability: ± 0.3% T
(5) Inhibition rate measurement range: 0-100%