INSURFACE

OPTICAL, ELECTRIC, WEIGHING, MEASURING, SIGNALING AND CHECKING APPARATUS AND INSTRUMENTS, NAMELY BALANCES, MICROBALANCES, SURFACE AREA ANALYZERS, POROSITY ANALYZERS; APPARATUS FOR MEASURING MASS CHANGES OR MATERIAL TRANSFER, NAMELY, MAGNETIC SUSPENSION BALANCES, RECORDING MICROBALANCES, CALORIMETERS, MASS FLOW CONTROLLERS, MASS SPECTROMETERS; APPARATUS FOR THE EXECUTION OF SORPTION MEASURING, NAMELY GAS AND VAPOR DOSING SYSTEMS; SORPTION ANALYZERS, GRAVIMETRIC ADSORPTION AND ABSORPTION ANALYZERS, VOLUMETRIC ADSORPTION AND ABSORPTION ANALYZERS, CARRIER GAS FLOW ADSORPTION ANALYZERS, FURNACES FOR LABORATORY EXPERIMENTS; TEMPERATURE CONDUCTIVITY DETECTORS; APPARATUS FOR SURFACE CHARACTERIZATION, NAMELY VOLUMETRIC PHYSISORPTION AND CHEMISORPTION ANALYZERS, TPD ANALYZERS, TPR ANALYZERS, TPO ANALYZERS AND METAL DISPERSION ANALYZERS; APPARATUS FOR MEASURING PARTICLE SIZES, PORE SIZES AND SPECIFIC SURFACES, NAMELY VOLUMETRIC, GRAVIMETRIC AND CARRIER GAS FLOW SORPTION MEASURING ANALYZERS

CALIBRATION, NAMELY, MEASUREMENT OF MASS CHANGES AND MATERIAL TRANSFER, MEASUREMENT OF SORPTION, MEASUREMENT OF PARTICLE SIZES, PORE SIZES AND SURFACE SIZES