Fast Pressure Controllers & Transducers

model

P–Differential Pressure Transducers

Digital differential pressure monitoring in real time

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 pressure with NIST-traceable accuracy and a response time of just 5 ms.
  • Easy to Use. As soon as you turn on the pressure gauge, it’s ready to display live pressure readings in your choice of engineering units.
  • Connected. Alicat pressure transducers feature dual digital and analog communications by default and can be ordered with Ethernet/IP, EtherCAT, DeviceNet, Profibus or Modbus (RTU and TCP/IP) communications for easy integration into your digital industrial or laboratory network.

Available Ranges (see Part Numbers tab for stock ranges)

  • P: max -100 to +100 psid, min -2 inH2Od to +2 inH2Od
  • PS: max -100 to +100 psid, min -5 to +5 psid

Performance

  • Turndown ratio: 200:1
  • Standard accuracy calibration, NIST-traceable: +/- 0.25% of the full-scale range
  • Optional high-accuracy calibration, NIST-traceable: +/- 0.125% of the full-scale range
  • Repeatability: 0.08% of the full-scale range
  • Typical measurement response time constant: 5 ms (dependent upon line sizing and the volumes involved)
  • No warm-up time required

Operating Conditions

  • Compatible gas media: all non-corrosive gases (P/PS). Liquids and corrosive gases require an S-series device (PS).
  • Operating temperature: -10°C to +60°C
  • Burst pressure: 3x the full-scale range
  • Max common mode pressure: 200 psig

In the Box

Model Variations 

  • Absolute or gauge pressure transducer (P)
  • Aggressive gases (PS, see below)
  • Portable with rechargeable battery (PB)

Corrosive Gases (PS series)

Instruments in the standard P series are also available with an optional “S” configuration (PS) for use with liquids and corrosive gases. In this configuration, we upgrade the flow body and sensor to 316L stainless steel and the elastomers to FFKM.

Build 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)

Performance Options

  • High-accuracy or custom calibration

Alicat’s P series is suitable for use with non-corrosive gases.

Differential Pressure:

P-2INH2OD-D
PAS-1PSID-D
P-1PSID-D
P-5PSID-D
P-15PSID-D
P-30PSID-D
P-100PSID-D

Alicat’s PS series is suitable for use with liquids and corrosive gases.

Differential Pressure:

PS-5PSID-D
PS-30PSID-D
PS-100PSID-D

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