Product description 

Portable soil nutrient measuring instrument apply to Agricultural test center, agricultural scientific research institutions at all levels, fertilizer production, agricultural materials management, agricultural extension service, planting base, agricultural machinery popularization, trees, flowers, environmental protection, such as vegetable base unit, Can be quickly detected available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium and organic matter content, soil salinity and soil PH, etc. in the soil, air, water, plant and fertilizer.

Feature

1) Interface menu type, color LCD screen display, can real-time display all kinds of data,measurement results, and other operating message in the process of measurement.

2) Each step in the process of operating, there have voice prompt, have alarm prompt when failure or operator error, and display on the LCD screen;

3) High precision optical signal collection and conversion circuit, improve the detection accuracy

4) Provides two kinds of print mode, a single measurement results and Multiple measurements results to print

5) Commonly used Settings memory function, Factory Settings restoration function,

6) mass storage,above fifteen thousand data can be stored

7) computer communication interface, with upper computer software, computer control and can be independent operation instrument;

8) International popular special PP alloy plastic suitcase, Light weight, high temperature resistant, low temperature resistant, waterproof, dustproof, pressureproof, shockproof, corrosion resistance,

9) Through GPRS module, the wireless transmission of data to a mobile phone or specified network(Selection)

10) Built-in high capacity rechargeable batteries, can be work more than 4 hours when the outage, Instrument can match the car power supply interface,(Selection)

Specifications

(1) Stability:(absorbancy)0.003 Drift is less than 0.003 in three minutes

(2) repeatability:(absorbancy)less than 0.005

(3) linearity error:less than 3.0%

(4)Sensitivity:red light≥4.5 ×10-5, blue light≥3.17×10-3

(5) Wavelength Range:red light 620±4nm, blue light 440±4nm, green light520±4nm

Soil PH value and soil salt content detection

1.PH value (1)test range:1~14     (2)Deviation:±0.1

2.salt content (1)test range:0.01%~1.00% (2)relative deviation:±5%