Portable soil nutrient detectorIt is a soil nutrient detection instrument specifically used in modern agricultural research and plant research. This instrument can be used for various soil nutrient detection tasks, and is currently widely used in modern soil and plant research and teaching work.

Instrument usage:
The portable soil nutrient detector can detect various nutrients such as nitrate, ammonia, phosphate, potassium, magnesium, sulfate, etc. It can be applied to county and township agricultural technology promotion stations for soil testing and fertilization services; Fertilizer plants and their distribution units promote agrochemical services; Soil fertility survey; The agricultural chemical service department formulates indicators for soil fertilization abundance and deficiency; Self testing soil services at the grassroots level in rural areas; Crop nutrition diagnosis in crop hospitals; Monitoring of nutrient content in fertilizers by compound fertilizer production plants; Distinguish between genuine and fake fertilizers, etc.

Instrument features:
1. Compact size, easy to carry;
2. The device is equipped with a large, user-friendly display screen that provides easy menu navigation for analysis;
3. The photometer is designed to be waterproof and shockproof, suitable for outdoor use;
4. More than 220 pre programmed programs in memory;
5. Data storage can reach 500 sets;
6. Using USB interface to read data, data is easy to upload;
7. High protection level, suitable for use in strong light, dark, humid, and dusty environments.

The instrument can detect soil nutrient elements:
Nitrate NO3-N: 0.23-13.5mg/L, 5-35mg/L
Ammonia NH4-N: 2-47mg/L`
Phosphate P2O5: 3-80 mg/L
Potassium K2O: 4-60mg/L
Magnesium Mg: 0.5-50mg/L
Calcium Ca: 5-100mg/L
Iron Fe: 0.2-6 mg/L
Copper Cu: 0.1-8mg/L
Zinc Zn: 0.2-6mg/L
Molybdenum Mo: 1~10mg/L
Manganese Mn: 0.005 *~5mg/L
Boron B: 0.05-2.5mg/L
Carbonate CO2: 55-550mg/L
Chloride Cl: 1~70mg/L
Sulfate SO4: 40-150mg/L

Instrument technical parameters:
1. Display screen: LCD， With backlight, 240X160 pixels
2. Data storage: 500 sets of measurement results; 50 user methods
3. Pre installed programs: over 220
4. Port: Optional mini USB port
5. Protection level: IP 67
6. Battery (optional): Lithium battery, capable of working for up to 40 hours
7. Weight: 1.5kg
8. Wavelength range: 340-800 nm
9. Wavelength repeatability: ± 2nm
10. Spectral bandwidth: 5nm
11. Sample Room: Circular, 13mm
12. Measurement mode: concentration, absorbance Abs, transmittance%
13. Accuracy: ± 0.003 Abs @ 0.0~0.5 Abs
14. Power Supply: Optional - External Power Supply 110-240 VAC, 50/60 Hz
15. Comes standard with 4 AA batteries;
16. Dimensions: 178mm × 267mm × 98mm

Instrument accessories:
Spectrophotometer, 2 adjustable and easy-to-use pipettes, pipette tip, colorimetric dish holder, element detection colorimetric dish package - nitrate, ammonium, phosphate, potassium, and magnesium.