Universal Lab Soil PH Meter Nutrient Test Equipment for Fertilizer Plant Tobacco Leaf
Features
1. It adopts microprocessor technology, digital circuit, programming design, single chip control, touch button and LCD display.
2. Dual Usage of AC and DC(car)
3. It adopts optical filters as light source, silicon semiconductor as signal reception system. Its service life is as long as 100,000 hours.
4. The cartridge part adopts double multi path design to avoid the system error caused by different paths.
5. The working stability is six times as good as the national standard JJG179-90,and repeatability reaches the index of grating type spectrophotometer.
6. It has automatic temperature correction function for the test of effective phosphorus. 7. It has built-in thermal printer to store the printed test results.
Test Elements
1. Soil nutrients: available nitrogen, nitrate nitrogen, ammonium nitrogen, available phosphorus, available potassium, organic matter, total nitrogen, total phosphorus, total potassium, pH and so on.
2. Trace elements: boron, manganese, iron, copper, calcium, magnesium, sulfur, chlorine, zinc, silicon and so on.
3.Fertilizer nutrients: acid nitrogen, nitrate nitrogen, ammonium nitrogen, urea nitrogen, urea biuret, available phosphorus, available potassium, water soluble phosphorus, humic acid, organic matter, total nitrogen, total phosphorus, total potassium.
4. Plant nutrition: plant nitrogen, phosphorus, potassium; nitrate, nitrite, sulfur dioxide, formaldehyde.
5. Tobacco leaf nutrients: total nitrogen, total phosphorus, total potassium, reducing sugar, total sugar, boron, manganese, iron, copper, calcium, magnesium and so on.
Technical Parameters
1. Measurement range and resolution: 0.001 ~ 9999
2. Stability: less than 0.003 within three minutes’ drift
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 ± 2 nm; blue light：420±2nm；green light：510±2nm；orange light：590±2nm.
7. The technical parameters of PH value (pH) measurement: A. test range: 1 ~ 14 B. error: ± 0.1
8. The power supply of the tester: A. AC: 180V ~ 240V, 50Hz; B. DC: 12V, 5W (car)
9, NPK combined extraction: it takes 3 minutes to complete the leaching of soil nitrogen, phosphorus and potassium at the same time.
10. Test speed: measure a soil sample (N, P, K) ≤ 30 minutes, and measure 5 soil samples ≤ 50 minutes
11. Shock resistance: qualified
Configuration
Instrument box: main body, electronic balance, electrodes, cuvette, power lines and so on.
Pharmacy box: triangular flask, volumetric flask, funnel, measuring cylinder, filter paper, aluminum box, washing bottle, one set of drugs and so on.
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Universal Lab Soil PH Meter Nutrient Test Equipment for Fertilizer Plant Tobacco Leaf | Features 1. It adopts microprocessor technology, digital circuit, programming design, single chip control, touch button and LCD display.2. Dual Usa... |
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