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PC–Series: Differential Pressure Controllers

Classification:
Product name:
PC–Series: Differential Pressure Controllers

Order number:
Please refer to the Alicat Scientific website for configuration options

Shortdescription:
PC-Series Differential Pressure Controllers control the differential pressure between any two points in your process.

Product types:
Pressure

Technology & Profiles:
PROFIBUS, PROFINET

Certification number:
PROFINET Z13554

Company:
Alicat Scientific
Alicat Scientific

7641 N. Business Park Drive
85743 Tucson, AZ
United States

David Davis
Tel 520 290-6060

ddavis(at)alicat(dot)com

Illustration:
PC–Series: Differential Pressure Controllers
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.

 

Differential PC-Series performance (most products)

  • Available full-scale ranges: 2 inH₂O to 500 PSID
  • 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

 

 

Differential PC-Series operating conditions

  • Compatible gases: All non-corrosive gases
  • Operating temperature: –10°C to +60°C
  • Max common mode pressure: 200 PSIG (750 PSIG for 500 PSID models)
  • Burst pressure: 3x full scale (1.5x full scale for 500 PSID 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.

  • PC – small proportional control valve for flow ranges of 20 slpm and below
  • PC with PCA designation – high-performance proportional control valve used for applications with higher pressures
  • PCP – small proportional control valve with the largest orifice (not available for corrosive configurations)
  • PCH – hammerhead configuration, which pairs two small valves working side-by-side as one valve
  • PCR – nearly frictionless large Rolamite proportional valve for flow rates of 50 slpm and above

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

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