Electrical, optical, acoustical, ultrasonic and/or laser scientific and laboratory instruments for counting, sizing, classifying, differentiating and identifying particles in liquid or gases, for use in clinical, biological, industrial, medical, academic and/or scientific research and commercial laboratories; particle size distribution and concentration measuring instruments, acoustic spectroscopy instruments; computers and microprocessors, computer printers, computer software for controlling...

scientific and laboratory instruments for particle size distribution measuring, particle counting, zeta potential measuring, electrophoretic mobility measuring, particle mobility measuring, environmental monitoring (temperature and humidity), pH measuring, producing zimm plots to determine the molecular weight of polymers, namely, air and liquid particle counters, photo correlation spectroscopy instruments, micro electrophoresis measuring instruments, acoustic spectroscopy instruments, laser ...

computer software for determining proper rupture disc size or rupture disc capacity for rupture discs used in relieving excessive pressure from pipelines, pressure vessels and related processing equipment