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Pressure Sensors

Pressure Sensors — Measurement and Control for Industrial Systems

Pressure sensors (pressure transmitters, transducers) are essential components in automation systems, providing accurate measurement of gauge, absolute, and differential pressure in pipelines, vessels, and process applications. They are used in water supply, heating, HVAC, hydraulics, pneumatics, compressor equipment, and chemical processing. Our catalog also features other types of industrial sensors: level sensors, inductive, optical, and proximity sensors.

How to Choose a Pressure Sensor

Selecting the right pressure sensor depends on the operating range (with 20% margin above maximum pressure), media type (water, air, oil, aggressive substances), output signal type (4-20 mA for industrial PLCs, 0-10 V for HVAC), protection class (IP65-IP68), and connection type (G1/4, G1/2, M20 thread). Comparison table of our best-selling models:

ModelRangeOutput SignalApplication
Veichi D0-10bar0–10 bar4–20 mAPumps, compressors, water supply
Siemens 7MF1565-3CA000–400 bar4–20 mA / HARTHydraulics, heavy industry
Dwyer 628-111–10 bar4–20 mAHVAC, ventilation, pneumatics
Endress+Hauser PMC1310.4–400 bar4–20 mA / HARTChemical, pharmaceutical, food processing
Dwyer A6-6532211.72–3.45 bar4–20 mADifferential measurement, filters

Pressure Sensor Manufacturers

We offer pressure sensors from leading global manufacturers with real sales and technical support in Ukraine:

  • Endress+Hauser — Cerabar, Deltabar series: premium industrial transmitters with HART protocol, 316L membrane, for aggressive media
  • Siemens — SITRANS P series: integration with S7-1200/1500 PLCs, range up to 400 bar, industrial certifications
  • Dwyer Instruments — 628, A6, DXW series: optimal price-to-quality ratio for HVAC and pneumatics
  • Veichi — budget 0-10 bar solutions with 4-20 mA output for pump equipment and VFDs

Pressure Sensors by Specifications

Select a pressure sensor by key technical parameters. By brand: KELLER (precision, laboratory), Schneider Electric (building automation), Autonics (compact solutions). All sensors are available with 4-20 mA or 0-10 V output, G1/4, G1/2, or M20 threaded connections, protection class from IP65 to IP68.

Warranty and Support

All pressure sensors come with official manufacturer warranty of 12 months or more. We provide technical consultation for selection, calibration assistance, and commissioning support. Payment: bank transfer with VAT for businesses, card/cash-on-delivery for individuals. Delivery via Nova Poshta across Ukraine: Kyiv, Kharkiv, Dnipro, Odesa, Lviv, and other cities. Stock items ship within 1-2 days.

Frequently Asked Questions

What types of pressure sensors exist and how do they differ?

Main types: piezoresistive — most common, ±0.25% accuracy, 0-1000 bar range, suitable for most industrial tasks; capacitive — high stability for low-pressure measurements (up to 100 mbar); strain gauge — for high pressures and aggressive media with 316L membrane; piezoelectric — for dynamic measurements (pulsations, impacts). For water supply and HVAC, piezoresistive sensors with 4-20 mA output are optimal.

How to choose a pressure sensor for a pump or compressor?

Determine: 1) system working pressure + 20% margin (for a 6 bar pump — select a 0-10 bar sensor); 2) media type (clean water — standard membrane, aggressive liquids — 316L or Hastelloy membrane); 3) output signal (4-20 mA for PLCs, 0-10 V for HVAC controllers); 4) protection class IP65 minimum. Popular choices: Veichi D0-10bar for budget projects, Endress+Hauser PMC131 for aggressive media.

What is the difference between gauge and absolute pressure sensors?

A gauge pressure sensor measures the difference between media pressure and atmospheric pressure — suitable for 90% of industrial tasks (pumps, compressors, hydraulics). An absolute pressure sensor measures relative to vacuum — needed in meteorology, aviation, vacuum systems, and precision laboratory measurements. Always specify the measurement type when ordering.

Which pressure sensor output signal to choose: 4-20 mA or 0-10 V?

4-20 mA is the industrial standard: immune to interference, works over long cables (up to 1000 m), compatible with all PLCs (Siemens S7, Schneider, Delta). The live zero at 4 mA enables cable break detection. 0-10 V is for short distances (up to 30 m) in HVAC and ventilation systems. For industrial automation, always choose 4-20 mA.

What pressure sensor brands do you offer and what is the difference between them?

Endress+Hauser (Cerabar, Deltabar) — premium for aggressive media, with HART protocol and diagnostics. Siemens (SITRANS P) — for S7 controller integration, range up to 400 bar. Dwyer Instruments (628, A6 series) — optimal price-to-quality for HVAC and pneumatics. Veichi — budget 0-10 bar sensors for pumps. KELLER — precision laboratory solutions. All brands with warranty and technical support.