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OEM
Punto d'origine
Henan, China
Product name
Agricultural soil fertilizer nutrient npk tester digital
Test sample
soil ,plant,fertilizer
Test parameter
NPK,Organic matter,pH,salinity
Measuring range and Resolution
0.001-9999
Stability
Displayed drift number is less than 0.5 % (A)
Power
220V±22V for AC ; 12V for Battery ( DC )
Reagent
A set of NPK reagent send free at first order