Profile: Wescor manufactures & markets quality instrumentation & other products for medicine, science and industry. Our unique vapor pressure and colloid osmometers, automatic slide stainers, cytocentrifuges & diagnostic systems represent cutting-edge technologies. The monitoring of serum colloid osmotic pressure after heart surgery allows prediction of pulmonary edema formation. Our Colloid Osmometer delivers this vital information & guides the administration of colloid therapy when it is used to control edema.