STEINS

Industrial process control measurement instruments, namely, flow switches, flow meters, flow sensors, pressure switches, pressure transmitters, pressure sensors, level switches, level transmitters, level sensors, temperature switches, temperature transmitters, temperature sensors; Liquid analysis instruments, namely, pH meters, pH sensors, pH transmitters, conductivity sensors, conductivity transmitters, oxygen sensors, oxygen transmitters, turbidity sensors, turbidity transmitters; control unit and indicator for use in industrial process control