Soil testing equipment multifunction soil nutrient meter Product Description Feature 1,Microprocessor technology,digital circuit,progragmmed design,chip control,touch key,LCD display.2,AC,DC power supply.3,Built-in thermal printer,storage printing test result.4,Optical filter as light source,silicon semiconductor as signal receiving system,100000hours work life.5,Cassette adopts double-multi light path constructure design,in case of system error for different channels.6,Automatic temperature calibration for Organic Phosphorous testing. Test items 1. Soil nutrients :
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