Intelligent soil nutrient meter / Soil nutrient meter / Soil fertilizer quick-speed meter / Model: HV7 First, performance characteristics: 1Using microprocessor technology, digital circuit, program design, SCM control, touch buttons, LCD display 2 AC and DC (vehicle) dual purpose, built-in lithium battery, automatic charging, power off, built-in thermal printer, storage printing test results 3 Using high-brightness LED lamps as light sources, silicon semiconductors as signal receiving systems, with a lifetime of up to 100,000 hours 4 Double-optical path mechanism is adopted for the cassette to avoid systematic errors caused by different channels 5 The work stability is better than the national standard JJG179-90 index 6 times, repeatability reaches the grating spectrophotometer index 6 expert fertilization system software: a. Memory Expert fertilizer recommendation for more than 70 crops, real-time, on-site, add, supplement, and update crop types, abundance indicators, fertilization indicators, etc., apply crops without restrictions. b According to crop varieties, soil content, fertilizer content, fertilizer prices, zui good fertilization program can be automatically recommended, can save more than 1000, and can be stored without limit, print fertilization recommendations c Printable: date of detection, date of detection, customer name, soil number, soil type, crop variety, soil content, fertilizer type, fertilizer price, fertilization amount, etc. Second, the test project: 1 Nitrogen, Phosphorus, Potassium, Organic matter, pH in Soil, Fertilizer, and Plant (test strip method) 2 Trace elements such as calcium, magnesium, sulfur, boron, chlorine, silicon, soil moisture (using combustion method) Third, the technical parameters: 1. Range and Resolution: 0.001-9999 2. Stability: Drift less than 0.003 in 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 6. Wavelength range: Red 620±4nm Blue light 440±4nm 7 Soil Moisture Technical Parameters Moisture Unit: %(m3/m3) Water Content Test Range: 0-100% Accuracy: ±2% 8 Power supply for this instrument: a. AC mains: 180V to 240V, 50 Hz b. DC power: 12V, 5W (vehicle) c. Lithium: 12V, 5000MA (with charger) 9 One-time simultaneous extraction of three nutrients N, P and K in soil 10 test speed measurement of a soil sample (N, P, K) ≤ 30 minutes (including the processing time) 11 Measure 5 soil samples at the same time ≤ 50 minutes (including preprocessing time) Fourth, the operation is simple. Completely equipped: The speedometer is a combination of medicine, device and instrument. It is easy to carry and is equivalent to a small laboratory. It has built-in lithium battery, automatic charging and power-off, which facilitates on-site testing and mobile service. The finished product can be used immediately after opening the bottle to ensure quick testing. The cost is low, and the cost of measuring one nutrient (N, P, K) is only 0.7 yuan. Calculator, cuvette, graduated straw, medicine set, filter paper, suction ball, measuring cylinder, angle spoon, aluminum box, reaction bottle, mirror paper, 220V power cord, 12V power cord (vehicle), lithium battery, charger , printers, expert fertilization software Aluminium Architecural Metal Mesh Aluminium Architecural Metal Mesh, aluminum decorative metal mesh, aluminum decorative metal,Architectural Woven Wire Mesh, aluminum crimped wire mesh SHENZHOU SHUANGYOU MESH CO.,LTD. , https://www.firstwiremesh.com
Fifth, the instrument configuration: (Aluminum password box 1: 41 × 32 × 18cm, weight 4.7kg)