SMC PSE550 Low Differential Pressure Sensor (0 to 2 kPa)

SMC PSE550 series low differential pressure sensor measuring 0 to 2 kPa, with voltage or current analog output for flow, filter clogging and liquid level monitoring.

Key features

Rated differential pressure range 0 to 2 kPa, usable within -50 to 50 kPa line pressure
Output: 1-5 V voltage (PSE550) or 4-20 mA current (PSE550-28)
Accuracy ±1% F.S.; power LED built in; proof pressure 65 kPa
Ports: ø4.8 resin pipes for ø4 I.D. tubing; direct or bracket mounting
Options: A = bracket ZS-30-A, C2 = controller connector ZS-28-C (both packed separately)

Specifications

Fluid	Air, non-corrosive gas, non-flammable gas
Rated pressure range	0 to 2 kPa (differential)
Proof pressure	65 kPa
Power supply	DC12-24V ±10%, ripple 10% or less
Accuracy	±1% F.S. (rated), ±3% F.S. (extended)
Linearity / repeatability	±0.5% F.S. / ±0.3% F.S.
Enclosure	IP40
Operating temperature	0 to 50°C
Mass	35 g (without cable), 75 g (with cable)
Standards	CE/UKCA, UL/CSA (E216656)
Source	SMC Korea catalog CAT.KS100-56D PSE Series (SMCKR_PSE.pdf), p. 17-19 (PDF p. 20-22)

PSE550		Output: Analog 1-5 V \| Sensor cable: 3-core, 3 m
PSE550-28		Output: Analog 4-20 mA \| Sensor cable: 2-core, 3 m

Pressure SwitchesSMC

2 product codes available in this family

Sourced direct from KoreaExport-ready supplyCompetitive pricing

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SMC PSE550 Low Differential Pressure Sensor (0 to 2 kPa)

Brand SMC·Pressure Switches

Available part numbers (2)

PSE550, PSE550-28

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.