Electronic Pressure Control (EPC) technology offers a simple, low cost alternative to mass flow control or manual pressure control by providing precision closed-loop control of pressure, vacuum and flow. By integrating thermally compensated proportional valves, digital valves, pressure sensors and control circuitry into a stand-alone module, Parker EPC systems can improve instrument performance, reduce gas consumption, and eliminate costly manual 'drift' adjustments.

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OEM-EP Minature Pressure Controller
Basic closed-loop pressure controller with onboard pressure sensor in a compact size.
Typical Applications: Portable environmental sensing, TOC analyzers, portable GC/MS, column and split flow control, air over liquid
Feedback/Output Signal: 1 Internal Transducer (std), 1 Analog Output (std)

VSO-EP Pressure Control Module
Highly configurable pressure controller with choice of onboard or remote pressure sensor.
Typical Applications: Pilot pressures, air over liquid, flow control
Feedback/Output Signal: 1 Internal Transducer (std), 1 External Transducer (opt), 1 Analog Output (std)

VSO-EV Vacuum Control Module
Vacuum controller with range to -345 mbar & choice of onboard or remote pressure sensor.
Typical Applications: Vacuum pressure range, sample aspiration, evacuation, vacuum flow control
Feedback/Output Signal: 1 Internal Transducer (std), 1 External Transducer (opt), 1 Analog Output (std)

VSO-HP High Performance Pressure Controller
Solves the most demanding pressure & flow control applications with fastest response & pressurization.
Typical Applications: Pilot pressures, dynamic pressure switching, I-to-P applications
Feedback/Output Signal: 1 Internal Transducer (std), 1 External Transducer (opt), 1 External Digital Trigger (opt), 1 Analog Output (std)