Pressure Controllers & Transducers

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P–Series: Differential Pressure Transducers

Alicat P-Series differential pressure transducers measure the differential pressure between any two points in your process. The two process ports connect to opposite sides of the differential pressure sensor; positive readings denote higher pressure at the left (upstream) process port, and negative readings denote higher pressure at the right (downstream) port. This differential pressure transducer can also double as a dead-ended gauge pressure transducer if you leave the downstream port open to atmosphere.

  • Fast & accurate. Measure gas pressure in real-time with NIST-traceable accuracy to ±0.125% of full scale and a response time under 10 ms.
  • Versatile measurement. As soon as you turn on the pressure gauge, it is ready to display live pressure readings in your choice of engineering units for all non-corrosive gases.
  • Easy integration. Custom process ports and electrical connectors in addition to your choice of EtherNet/IP, EtherCAT, DeviceNet, Profibus, Modbus (RTU and TCP/IP), or serial communications options enables easy integration into your industrial process.

Accessories included with purchase:

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Not exactly what you’re looking for?

  • We offer several additional pressure transducer options, including portableanti-corrosive, and absolute/gauge pressure devices (see “models” tab below).
  • If a pressure transducer is not what you need, check out our other pressure or flow measurement and control solutions.
  • Still don’t see what you need? Feel free to contact us and discuss custom build options with one of our applications engineers.
Differential P-Series performance
  • Available ranges: max –500 to +500 PSID; min –2 inH₂O to +2 inH₂O PSID
  • Pressure measurement 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 measurement response time: <10 ms
  • Warm-up time: <1 s
Differential P-Series operating conditions
  • Compatible gases: All non-corrosive gases
  • Operating temperature: –10°C to +60°C
  • Proof pressure: 200 PSIG (750 PSIG for 500 PSID devices)
  • Burst pressure: 3x full scale (1.5x full scale for 500 PSID devices)
Available device ranges for differential P-Series

Alicat offers differential pressure transducers with custom differential pressure ranges from 2 inH₂O full scale to 500 PSID full scale, each with a pressure measurement range of 0.01% to 100% of full scale. Custom devices are ranged to best meet your specific application needs for full scale pressure and operating range.

It is important to note that some device specifications vary depending on the full scale pressure.

If you have any questions or need additional information, reach out to our applications engineers.

Device customization | Build and performance options

  • Communications protocols: analog, RS–232, RS–485, DeviceNet, EtherCAT, EtherNet/IP, Modbus RTU or TCP/IP, PROFIBUS
  • Displays: monochrome or color; integrated or panel–mount
  • Process connections: NPT, SAE, AN, BSPP/G, welded compression, or VCR/VCO fittings
  • Elastomers: Viton, FFKM, EPDM, Silicone
  • Calibration: High-accuracy or custom

Accessories | Sold separately

  • Process port fittings and filters
  • Power supplies
  • Communications cables and conversion cables
  • BB3 and BB9 multi-drop breakout boxes

Questions about this product?