Henan Hi-Tech Instruments Co.,Ltd

ph meter

Our main product include Hand Held Refractometer, digital refractometer, thermometer, pH meter, conductive meter, TDS meter, electrode, Tachometer，thickness meter, sound level meter, humidity meter, moisture meter, Lux meter, spectrophotometer, and Surveying Instruments etc.

Features:
.ph meter,tds meter,ec meter

Main Products:
refractometer,digital refractometer,thermometer,pH meter,conductive me

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