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Formula fertilization by soil testing instrument

Electric. 15265616398 Yu Yang

Model: NK-209

One, brief introduction:

NK-209 type of formula fertilization by soil testing instrument includes more than 80 kinds of crop growth needed to raise software according to the local conditions of crop varieties, crop yield, fertilizer, and automatically calculates the fertilizer amount, and can test the soil, fertilizer, plant a total and available nitrogen, phosphorus, potassium and organic matter content; indoor and field work, is the agricultural good friend help.

Two, features: 1, coating steel shell, sturdy and beautiful, durable.

2, using liquid crystal Chinese large-screen backlit display, Chinese menu operation, operation process.

In 3, can be detected in soil, plant, chemical fertilizer, biological fertilizer in the samples of available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, content of organic matter, soil pH. In 4, a time display function, may realize the automatic detection of the sample time recording and preservation. 5, store 800 sets of test data ( time, location, the samples of various nutrient results ) and other related information is stored, the data can be readily transfer view. 6, can print out the test date, number of samples, sample test items, contents, crop varieties, chemical fertilizers, fertilizer quantity and other related information, rich and detailed. Three: 1, technical parameters, nutrient measurement technical parameters: ( 1): A value stability ( absorbance ) within three minutes of the drift of less than 0.003 ( 2): A value reproducibility ( absorbance ) is less than 0.005 ( 3): linear error is less than 3% ( 4): sensitivity of red≥ 4.5 × 10-5; blue = 3.17 ×10-3 ( 5): red wavelength range of 620± 4nm 440± 4nm; blue; green 520 ± 4nm ( 6): qualified seismic ( Note: the above technical parameters were higher than the national standard ), pH ( pH 2 ) measurement of technical parameters: ( 1 ) the test range: 1 ~ 14 ( 2): error + 0.13, the apparatus used in power: ( 1): 180V ~ 240V AC, 50 Hz ( 2) DC : 18V, 5W ( the instrument cabin ).

Shandong Weifang & P instrument limited company

Telephone: 15265616398 Yu Yang

0536-2257926

Web site: http://puchuangyiqi.taobao.com/

Www.nk17.com

Address: Shandong province Weifang City Dongfeng Street No. 239