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美國IQ Scientific Instruments 
美國IQ公司是全世界獨(dú)家生產(chǎn)（ISFET）硅芯片PH電極以及多參數(shù)分析儀器的廠商。擁有先進(jìn)專利技術(shù)，創(chuàng)新的硅芯片電極、各種不同型號不銹鋼P(yáng)H電極、在全世界得到用戶好評。
IQ Scientific Instruments provides high quality ISFET technology non-glass pH sensors. Choose from a full line of non-glass benchtop, handheld and pocket-sized systems. Benefits include: no glass to break, pH probes store Dry, easy to clean, no maintenance and long-lasting. IQ Scientific provides advanced technology that will eliminate your daily frustrations with glass sensor breakage and maintenance.
IQ的主要產(chǎn)品：
IQ120 125 非玻璃電極筆式pH計(jì).
IQ140經(jīng)濟(jì)型便攜PH ORP 計(jì).
IQ150土壤原位PH計(jì).
IQ240 高級精密多功能PH計(jì).
IQ260臺式高級PH測定儀.
IQ 170 多用pH電導(dǎo)計(jì).
IQ340 350電導(dǎo)TDS,鹽度計(jì).
IQ160G便攜PH，離子測定儀.
IQ180G便攜多參數(shù)水質(zhì)分析儀.
IQ280臺式高級多參數(shù)水質(zhì)分析儀.