HYBRID

Measurement apparatus, namely, analytical instruments and electrochemical sensors; measurement apparatus and instruments, namely, analytical instruments, namely, pH transmitters, dissolved oxygen (DO) transmitters, pH analytical transmitters, dissolved oxygen (DO) analytical transmitters, pH analyzers, dissolved oxygen (DO) analyzers, pH meters, dissolved oxygen (DO) meters, conductivity transmitters, conductivity analytical transmitters, conductivity analyzers, conductivity meters, electrochemical sensors, and temperature sensors; sensors for measuring chemical characteristics of aqueous solutions not for medical use; electronic modules, namely, integrated circuit modules; pH transmitters, ORP transmitters, dissolved oxygen transmitters, conductivity transmitters, and other analytical transmitters; electronic preamplifiers