RHOSONICS

Measuring instruments, namely, slurry density meters, chemical density meters, chemical concentration meters; ultrasonic sensors; electronic process control apparatus, namely, slurry density meters, chemical density meters, chemical concentration meters; ultrasonic measuring instruments for measuring the density, temperature, and specific gravity of liquids; measuring sensors for measuring the density, temperature, and specific gravity of liquids; measuring apparatus for measuring the density, temperature, and specific gravity of liquids; measuring apparatus and instruments for measuring the density, temperature, and specific gravity of liquids; petrochemical liquid and gas analyzers; concentration meters; process analysis equipment, namely, slurry density meters, chemical density meters, chemical concentration meters; ultrasonic spectrum analysis equipment for observing and measuring the infrared spectrum; ultrasonic impedance spectrometer