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New Industrial Products

Electronic Pressure Controllers

for demanding fluidic applications

Posted on April 1, 2006 - ( views)

by Web Editor

Electronic Pressure Controllers are precision electronic devices that maintain a pneumatic process pressure at a preset level using closed-loop control. These devices can be configured to control pressure, vacuum or flow and replace mechanical control systems or mass flow controllers. The required pressure or vacuum values are adjusted via an electrical set point to the EPC. The system continually measures actual process value,s compares it with the desired set point and compensates for any variations. Output signals are available for improved process monitoring. To control gas flow, EPCs are connected to an application-specific measuring orifice. By controlling the pressure in front of theorifice, the proportional flow can then be adjusted. EPCs can regulate liquid flows such as in precision dispense applications. Typical applications for these electronic pressure controllers feature carrier gas flow control, microfluidic flow control, vacuum pump control, gas-over-liquid flow control, hydro-dynamic focusing and aspirate/dispense applications.

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