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I. Performance and Features
1. Mini-processor, digital circuit, programming design, SCM control, touch key and LED display
2. AC/DC (vehicle-carried), inlaid lithium cell, automatic charge and power break.
3. Inlaid thermal printer, storage of printing results.
II. Items for Test
Fertilizer based nitrogen, phosphor, kalium, biuret, humic acid, alkalinity acidity, calcium, magnesium, sulphur, ferrum, manganese, boron, zinc, copper, chlorine, silicon
III. Technical Parameters
1. Range and resolution: 0.001-9999
2. Stability: Drift within 3 minutes: less than 0.003
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. Wave length: Red light 680±4nm blue light 420±4nm, green light: 510±4nm; orange light: 590±4nm
7. PH value (alkalinity acidity): (1) Test Range: 1-14 (2) Error: ±0.1
8. Power supply used in the device:
a. AC: 180V~240V, 50Hz
b. DC: 12V, 5W (vehicle-carried)
c. Lithium cell: 12V, 5000MA (with charger)
9. Speed test: specimen test (N, P,K) ≤30 minutes (including treatment time)
10. Five-specimen tests ≤50 minutes (including treatment time)
IV. Simple for Operation
Complete sets: integrating drug, instrument and apparatus, easy to carry, like a small lab, inlaid lithium cell, automatic charge, power break for tests in situ, movable service.
Joint lixiviation of Nitrogen, phosphor and kalium. Medicament bottles are available if opened, and it assures the quick test and low cost (1 yuan only for one nutrient test such as N, P, K).
V. Configuration (two aluminum alloy password boxes)
Instrument box: host machine, electronic scale, motor, colorimetric ware, cables, etc.
Drug box: triangle bottle, measuring flask, filler, cylinder, filter paper, aluminum box, wash bottle, drug (a set).