Fast Pressure Controllers & Transducers

model

EPC–OEM Electronic Pressure Controllers

Essential pressure control for flowing OEM applications

Electronic pressure controllers, or electronic pneumatic controllers, are highly customizable for easy integration within original equipment manufacturer (OEM) products. Alicat’s EPC delivers high accuracy and fast, droop-free closed-loop control in a compact, competitively-priced package.

  • Repeatable. EPC pressure regulators give you laboratory-grade performance at a reasonable price. NIST-traceable accuracy and reliable control keep your product repeatable.
  • Responsive. Quench pressure spikes as they happen. Industry-leading control speed and adjustable PID valve tuning ensure your product operation is not upset.
  • Configurable. We can customize the valves, ports, sensors and communications to precisely suit your product design and application requirements.

Available Ranges (see Part Numbers tab for stock ranges)

  • Absolute pressure ranges (referenced to vacuum)
    • EPC: max 0-300 psia, min 0-15 psia
  • Gauge pressure ranges (referenced to atmosphere)
    • EPC: max 0*-300 psig, min 0*-2 inH2Og
    • *Negative gauge pressure readings (to -15 psig) can also be included in gauge ranges.

Performance

  • Turndown ratio: 200:1
  • Calibration accuracy, NIST-traceable: +/- 0.125% of the full-scale range
  • Repeatability: 0.05% of the full-scale range
  • Typical control response time constant: 100 ms (dependent upon line sizing and the volumes and pressures involved)
  • No warm-up time required

Operating Conditions

  • Compatible gas media: all non-corrosive gases.
  • Operating temperature: -10°C to +60°C
  • Burst pressure: 3x the full-scale range

In the Box

Build Options

  • Analog signals (0-5v, 1-5v, 0-10v, 4-20mA)
  • Digital communications protocols (RS-232, RS-485, Modbus-RTU)
  • Process connections (NPT, SAE, downport, NeSSI)

Absolute Pressure:

EPC-15PSIA
EPC-30PSIA
EPC-100PSIA
EPC-300PSIA

Gauge Pressure:

EPC-2INH2OG
EPC-4INH2OG
EPC-10INH2OG
EPC-20INH2OG
EPC-1PSIG
EPC-5PSIG
EPC-15PSIG
EPC-30PSIG
EPC-100PSIG
EPC-300PSIG

Split Flow Gas Chromatographs

Alicat’s EPC maintains stable carrier gas flow rates at the sample injector within a gas chromatograph. A second backpressure EPC on the split flow vent ensures sufficient column head pressure. Small size, fast response and dual analog/digital communications make the EPC easy to build into OEM products.

 

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