1、 Performance characteristics
1. Adopting microprocessor technology, digital circuits, programmed design, microcontroller control, touch buttons, and LCD display.
2. Dual use of AC and DC (in vehicle).
3. Using a filter as the light source and a silicon semiconductor as the signal receiving system, the lifespan can reach up to 100000 hours.
4. The cassette part adopts a multi light source mechanism design, which can achieve multi item detection.
5. The work stability is 6 times better than the national standard JJG179-90 index, and the repeatability reaches the grating spectrophotometer index.
6. The test of available phosphorus has the function of temperature Autocorrection.
7. Built in thermal printer for storing and printing test results.
2、 Test items
1. Soil nutrients: alkaline nitrogen, nitrate nitrogen, ammonium nitrogen, available phosphorus, available potassium, organic matter, total nitrogen, total phosphorus, total potassium, pH, etc.
2. Medium and trace elements: boron, manganese, iron, copper, calcium, magnesium, sulfur, chlorine, zinc, silicon, etc.
3. Fertilizer nutrients: Humic acid, organic matter, total nitrogen, total phosphorus, and total potassium.
4. Plant nutrients: nitrogen, phosphorus, and potassium in the plant.
3、 Technical parameters
1. Range and resolution: 0.001~9999
2. Stability: Drift less than 0.003 within three minutes
3. Linear error: less than 0.003
4. Repeatability error: less than 0.005
5. 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
6. Wavelength range: Red light: 680 ± 2nm; Blue light: 420 ± 2nm; Green light: 510 ± 2nm; Orange light: 590 ± 2nm;
7. PH value (pH) measurement technical parameters: A. Test range: 1-14 B. Error: ± 0.1
8. The power supply used for this instrument: A. AC: 180V~240V, 50Hz B. DC: 12V, 5W (onboard)
9. Combined extraction of nitrogen, phosphorus, and potassium: simultaneous extraction of nitrogen, phosphorus, and potassium from soil can be completed in 3 minutes
10. Testing speed: Measure one soil sample (N, P, K) for ≤ 30 minutes, and simultaneously measure five soil samples for ≤ 50 minutes
11. Seismic resistance: qualified
4、 Easy to operate
Complete supporting facilities: The rapid testing instrument integrates drugs, instruments, and instruments, making it easy to carry, equivalent to a small laboratory, for on-site testing and mobile services. The finished drug is ready to use upon opening, ensuring fast testing speed. Low cost, measuring one nutrient (N, P, K) only costs 3 yuan.
5、 Instrument configuration (two aluminum alloy password boxes: 490 × three hundred and five × 165mm, net weight 10Kg)
Instrument box: host, electronic balance, electrode, colorimetric dish, power cord, etc.
Medicine box: triangular bottle, Volumetric flask, funnel, measuring cylinder, filter paper, aluminum box, bottle washing, 1 set of medicine, etc.
