2/14/2023 0 Comments Hammerli 480 instruction manual![]() The voltage pulse is proportional to the volume of the detected particle.Using counter and pulse analyzer circuits, the number and volume of particles passing through the sensing zone can be measured. Au480 Maintenance SheetsĪs a particle passes through the aperture, a volume of electrolyte-containing solution equivalent to the immersed volume of the particle is displaced from the sensing zone causing a short-term change in impedance across the aperture which can be measured as a voltage or current pulse. With the, particles or cells passing through an elongated glass tube with a finely-bored ruby disk (aperture) designed to constrict the flow of fluid through the tube while also constricting the current to a controlled value with little variation.When an aperture is placed between two electrodes and a current path is introduced by a low-concentration electrolyte, the resistance between the electrodes can be measured. ![]()
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