Soil fertilizer nutrient rapid measurement instrument for the entire projectSoil fertilizer nutrient quick tester of the whole project

A survey was conducted on the salt tolerance of 67 medicinal plants in the coastal saline soil area, and only a part of it is excerpted and listed in Table 5-2. The soil characteristics in this area are: the soil salt composition is basically the same as seawater, mainly sodium chloride, accounting for about 70-80% of the total salt content, followed by sulfate, and bicarbonate is the least.

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Soil fertilizer nutrient rapid measurement instrument for the entire project【 Comprehensive Soil Fertilizer Nutrient Meter 】

1. Power supply: AC 220 ± 22V DC 12V+5V (can be powered by a car power supply or choose the instrument's built-in lithium battery)
2. Power: ≤ 5W
3. Range and Resolution: 0.001-9999
4. Repeatability error: ≤ 0.02% (0.0002, potassium dichromate solution)
5. Instrument stability: The digital drift within two hours is less than 0.2% (0.002, measured for transparency). After the instrument is turned on and preheated for 5 minutes, the display shows no digital drift within one hour (transparency measurement), and the digital drift within two hours does not exceed 0.2% (0.002, transparency measurement).
6. Linear error: ≤ 0.1% (0.001, 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 ± 10nm
9. PH value (pH): (1) Test range: 1-14 (2) Accuracy: 0.01 (3) Error: ± 0.1
10. Simultaneous, rapid, and accurate detection of nutrients such as nitrogen (N), phosphorus (P), and potassium (K) in fertilizers
11.Soil and fertilizer testing instrument Testing speed: Testing a fertilizer sample (N, P, K) for ≤ 50 minutes (including pre-treatment time, no need for users to provide any attachments)
12. Simultaneously test 5 fertilizer samples for ≤ 2 hours (including pre-treatment time)
13. Data printing: Built in high-end one click thermal printer
14.Soil fertility testerReserved 232 data interface, which can be connected to a computer for data transmission.