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| Options | Price |
|---|
| Other parameters
| ||
| Fertilizer Systems
| Built-in soil testing and fertilizer application system.
| |
| Diagnostics
| Built-in Diagnostic Standards Atlas for Plant Nutrition.
| |
| Linearity Error
| ≤0.1%(0.001, copper sulfate assay)
| |
| Powersupply
| AC 220±22V DC 12V+5V(built-in lithium battery or car power supply)
| |
| Sensitivity
| Red light≥4.5×10-5 Blue light≥3.17×10-3Green light≥2.35×10-3 Orange light≥2.13×10-3
| |
| Wavelength range
| Red light:680±2nm; Blue light:420±2nm;Green light:510±2nm; Orange light:590±4nm
| |
| PH Value
| ①Test range:1~14 ②Accuracy:0.01③Error:±0.1
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| Salt content
| ①Test range:0.01%~1.00%②Relative error:± 5%
| |
| Display Resolution
| 1024*600
| |
| Seismic Rating
| IP65
| |
| Range and
Resolution | 0.001-9999
| |
| Power Instrument
| ≤5W
| |
| Dimension
| 48*34.5*22cm
| |
| Net Weight
| 5.2kg
| |
| Type of test
| Specific test items
|
| Soil Nutrients
| ①Ammonium nitrogen, effective phosphorus, quick-acting potassium, nitrate nitrogen, alkaline dissolved nitrogen, total nitrogen,
total phosphorus, total potassium, organic matter (Qiu Lin method), soil organic matter(leaching method), soil total organic carbon, soil carbon and nitrogen ratio,PH value,salinity, moisture. ②Soiltrace elements:calcium, magnesium, sulfur, silicon, boron, iron, copper,manganese, zinc, chlorine, molybdenum. ③Soil heavy metals: lead, arsenic, cadmium, chromium, mercury, nickel,aluminum, fluorine, titanium, selenium. |
| Fertilizer nutrients
| ①monomer fertilizer:ammonium nitrogen fertilizer, fertilizer nitrate nitrogen,urea nitrogen, diurea, phosphorus fertilizer in
phosphorus, phosphorus fertilizer in water-soluble phosphorus, potassium fertilizer in potassium. ②compound fertilizer:all nitrogen, all phosphorus, all potassium. ③organic fertilizer: full nitrogen, full phosphorus, full potassium, nitrate nitrogen,quick-acting phosphorus, quick-acting potassium, acid nitrogen, organic matter. ④Water-soluble humic acid(weathered coal), water-soluble humic acid (lignite),water-soluble humic acid(peat) Free humic acid(weathered coal), free humic acid (lignite), free humic acid (peat). ⑤Water-soluble fertilizer:all nitrogen, all phosphorus, all potassium. (6) Foliar fertilizers:all nitrogen, all phosphorus, all potassium. (7) Fertilizer trace elements:calcium, magnesium, sulfur, silicon, boron, iron,copper, manganese, zinc, chlorine, molybdenum. ⑧fertilizer heavy metals:lead, arsenic, cadmium, chromium, mercury, nickel,aluminum, fluorine, titanium, selenium. |
| Fresh crop nutrition
| ①crop nitrate nitrogen, crop ammonium nitrogen, crop phosphorus, crop potassium.
②crop trace elements: calcium, magnesium, sulfur, silicon, boron, iron, copper,manganese, zinc, chlorine. ③crop nitrate, nitrite, total sugar, reducing sugar, protein. |
| Dry plant nutrition
| ①Plant nitrogen, plant phosphorus, potassium.
②plant trace elements: all calcium, all magnesium, all sulfur, all iron, all manganese, all boron, all zinc, all copper, all chlorine, all silicon. |
| Tobacco nutrition
| 20 items of total nitrogen, total phosphorus, total potassium, reducing sugar,total water-soluble sugar, boron, manganese, iron,
copper, calcium, magnesium,etc. |
| Food stuffs
| Pesticide residues, nitrate, nitrite, lead, arsenic, cadmium, chromium, mercury,copper, aluminum, sulfur dioxide, hydrogen
peroxide, sodium benzoate, sorbic acid, sodium saccharin, sweeteners, magnesium sulfate, formaldehyde, hanging white, borax, potassium bromate, total acid, pigment, protein, glucose, amylase and other items. |
| Water quality
| COD, ammonia nitrogen, total phosphorus, total nitrogen, residual chlorine,dissolved oxygen, chlorine dioxide, cyanide in water;
heavy metals lead, arsenic,cadmium, chromium, mercury;nitrate, nitrite, hardness,PH, iron, copper,manganese, zinc, aluminum, boron, chlorine, sulfur, silicon and so on. |
Onvels is synonymous with excellence.Onvels stands for quality.Onvels is synonymous with originality.Onvels is synonymous with effectiveness.Onvels. Excellence is our goal.Onvels committed to the best service ( Always ).
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