Density Analytics Digital Hydrometer Monitors Liquid Media Concentrations

Originally titled 'Digital Hydrometer Monitors Liquid Media Concentrations'

Achieving precise and consistent results in passivation or cleaning processes requires that slurry or media concentrations in the liquid be maintained at specific levels.

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Achieving precise and consistent results in passivation or cleaning processes requires that slurry or media concentrations in the liquid be maintained at specific levels. Density Analytics offers a digital electronic hydrometer that sits in the process tank and monitors the liquid’s media density/concentration.

The portable hydrometer provides a digital readout of the media concentration. It also produces a 4- to 20-mA analog output signal that can be interfaced with a PLC to control replenishment valves so that target density/concentration conditions can be maintained. Alternatively, dual, on-board, 5-amp relays can be used to automatically control the replenishment valves to maintain these targets, eliminating manual interaction that is costly, time-consuming and prone to error, the company says. The hydrometer can be remotely situated from the process tank with cable lengths as long as 500 ft.

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