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.
8. Expert fertilization system software
A. There are 39 crop expert fertilization suggestions in memory, and fertilization plans can be automatically recommended based on crop variety, soil content, fertilizer content, and fertilizer price. More than 1000 fertilization suggestions can be saved and printed without restrictions.
B. It can print out: testing date, testing time, customer name, soil number, Soil type, crop variety, soil content, fertilizer variety, fertilizer price, fertilizer quantity and other relevant information, with rich details.
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, conductivity salinity, moisture, temperature, 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. Soil moisture technical parameters: a. Water unit:% (m3/m3) b. Water content testing range: 0-100% c. Response time: ≤ 2 seconds d. Resolution: 0.1% e. Relative percentage error: ≤ 2%
9. Technical parameters of soil salinity: a. Measurement range: 0.00-20.00ms/cm b. Measurement accuracy: EC ± 2% full scale c. Resolution: 0.01ms/cm d. Temperature compensation: 0-50 ℃
10. Technical parameters of soil temperature: a. Temperature unit: ℃ b. Test range: -40~100 ℃ c. Accuracy: ± 0.5 ℃ d. Resolution: 0.1 ℃
11. The power supply used for this instrument: A. AC: 180V~240V, 50Hz B. DC: 12V, 5W (onboard)
12. Combined extraction of nitrogen, phosphorus, and potassium: simultaneous extraction of nitrogen, phosphorus, and potassium from soil can be completed in 3 minutes
13. Testing speed: Measure one soil sample (N, P, K) for ≤ 30 minutes, and simultaneously measure five soil samples for ≤ 50 minutes
14. 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
Instrument box: host, electronic balance, electrode, colorimetric dish, expert fertilization software, power cord, etc.
Medicine box: temperature salt moisture meter, triangle bottle, Volumetric flask, funnel, measuring cylinder, filter paper, aluminum box, bottle washing, one set of medicine, etc.
