PC3–Series: Absolute and Gauge Pressure Controllers with Remote Sensing

Product description:

• Fast & accurate. Custom valve sizing and PID tuning ensure controllers reach pressure setpoints in milliseconds and maintain control with NIST-traceable accuracy to ±0.125% of full scale.
• Versatile control. Control absolute or gauge pressure anywhere in your system, including areas where you cannot easily install a full pressure controller. Plumb the pressure port downstream for pressure or vacuum control, or upstream for back pressure control.
• Easy integration. Custom process ports and electrical connectors, and your choice of EtherNet/IP, EtherCAT, DeviceNet, Profibus, PROFINET, Modbus (RTU and TCP/IP), or serial communications for easy integration into your industrial process.

Absolute/gauge PC3-Series performance (most products)

• Available full scale ranges:
  • Absolute: max 0–3000 PSIA; min 0–15 PSIA
  • Gauge: max 0–3000 PSIG; min 0–0.07 PSIG (2 inH₂O)*
• Steady state control range: 0.01% – 100% of full scale
• Standard accuracy calibration, NIST-traceable: ±0.25% of full scale
• Optional high-accuracy calibration, NIST-traceable: ±0.125% of full scale
• Repeatability: 0.08% of full scale
• Typical control response time: as fast as 30 ms
• Warm-up time: <1 s

*Negative gauge pressure readings (to –15 PSIG) can also be included in gauge ranges.

Absolute/gauge PC3-Series operating conditions

• Compatible gases: All non-corrosive gases
• Operating temperature: –10°C to +60°C
• Burst pressure: 3x full scale (1.5x full scale for 500 to 3000 PSI devices)

Included with each device

• User changeable units of measurement: Change the unit of measurement for pressure from our extensive list of engineering units.
• Monochrome backlit LCD with integrated touchpad: Easily read measurements using the backlit display and control configurations with the user-friendly integrated touchpad.
• User adjustable setpoint ramping & limits: Configurable ramp rates allow the process variable to be controlled as fast or as slow as desired, and configurable setpoint limits protect processes from inadvertent setpoint changes.
• Valve close override and valve open override: Utilize alarms to quickly vent your system or stop all flow as needed.

Build and performance options

• Communication protocols: Analog, RS–232, RS–485, DeviceNet, EtherCAT, EtherNet/IP, Modbus RTU or TCP/IP, PROFIBUS, PROFINET
• Displays: Backlit monochrome or color; integrated or panel–mount
• Process connections: NPT, SAE, AN, BSPP/G, compression, VCR, or VCO fittings
• Elastomers: Viton, FFKM, EPDM, Silicone
• Calibration: High-accuracy; custom calibration points
• Aggressive gas compatibility: Models with wetted materials compatible with many pure corrosive gases and most refrigerant gases, in addition to all non-corrosive gases and a variety of liquids also available.

Valve options & PID tuning

Your pressure controller may be customized with one of the following valving options to ensure optimal performance under your expected process conditions.

• PC3 – small proportional control valve for flow ranges below 20 SLPM
• PC3 with PCA designation – high-performance proportional control valve used for applications with higher pressures
• PCP3 – small proportional control valve with the largest orifice (not available for corrosive configurations)
• PCH3 – hammerhead configuration, which pairs two small valves working side-by-side as one valve
• PCR3 – nearly frictionless large Rolamite proportional valve for flow rates of 20 SLPM and above

Custom PID valve tuning ensures maximum performance for your specific process conditions.

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Product information

Product manuals

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