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Pressure Measurement

Pressure and differential-pressure process instruments

From gauge and absolute to differential pressure, Semac International offers a complete portfolio of process pressure instruments: transmitters, primary elements, diaphragm seals and accessories, with ceramic and metallic measuring cells selected for your media — liquids, gases or steam.

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What we offer

  • Pressure & differential-pressure transmitters
  • Primary elements
  • Diaphragm (chemical) seals
  • Ceramic & metallic measuring cells
  • Pressure accessories
  • Solutions for liquids, gases & steam

Key benefits

Pressure & DP

Gauge, absolute and differential pressure across the full range.

Media-matched cells

Ceramic and metallic measuring cells for corrosive or clean media.

Diaphragm seals

Protect instruments from aggressive, hot or viscous process media.

Liquids, gases & steam

Dependable measurement whatever the phase or process condition.

Products in this category

38 products
DELTA MOBREY387 Analogue Pressure TransmitterCompact stainless steel pressure transmitter engineered for harsh offshore and corrosive environments. View product
DELTA MOBREY700 Temperature Switch - Performance SeriesVersatile thermal switching solution with configurable setpoints for diverse industrial applications. View product
Delta Mobrey Analogue Level Probes - DSGE Series
DELTA MOBREYAnalogue Level Probes - DSGE SeriesHydrostatic level measurement probes for tanks, wells and piezometers with 4–20 mA output. View product
DELTA MOBREYCP Pressure GaugeEU-manufactured stainless steel pressure gauge for low-pressure industrial applications with superior corrosion resistance. View product
DELTA MOBREYD22 Pressure TransmitterRobust piezoresistive pressure transmitter for gases, vapours and liquids across demanding industrial environments. View product
DELTA MOBREYD23 SMART HART Pressure Transmitter - D-SeriesRugged HART-enabled pressure transmitter engineered for corrosive and hazardous process environments up to 1000 bar. View product
DELTA MOBREYD34 Differential Pressure Transmitter - D SeriesPrecision differential pressure transmitter for gas measurement in industrial combustion and airflow applications. View product
DELTA MOBREYD35 Differential Pressure Transmitter - D-SeriesRobust differential pressure transmitter with dual diaphragm seals, measuring -100mbar to 70bar reliably. View product
DELTA MOBREYD72 Smart HART Temperature Transmitter - D-SeriesIntelligent HART temperature transmitter converting RTD and thermocouple inputs to 4-20mA process signals. View product
Delta Mobrey Hydratect 2462 Steam and Water Detection System
DELTA MOBREYHydratect 2462 Steam and Water Detection SystemReliable detection system for identifying water and steam contamination in boiler circuits and condensate systems. View product
DELTA MOBREYMSM400 Suspended Solid Measurement & Control SystemReal-time suspended solids monitoring for clarifiers and settlement tanks with reliable density measurement and control. View product
DELTA MOBREYNeedle Valves, 2, 3 and 5 WaysPrecision stainless steel needle valves for 2, 3 and 5-way configurations in critical pressure applications. View product
DELTA MOBREYPressure Gauge - GS SeriesSolid front safety pressure gauge with blowout protection for demanding process control applications. View product
DELTA MOBREYPressure Instrument AccessoriesStainless steel accessories that protect and extend Delta Mobrey pressure instruments in demanding process environments. View product
Delta Mobrey Single or double contact for pressure and temperature gauges
DELTA MOBREYSingle or double contact for pressure and temperature gaugesSingle or double electric contact accessory that adds switching capability to pressure and temperature gauges in demanding process environments. View product
Klay Instruments 2000
KLAY INSTRUMENTS2000Klay Series 2000: robust flush-diaphragm pressure transmitter, 0.1–100 bar, ATEX/IECEx certified, 4–20 mA output with optional HART. View product
Klay Instruments 2000-SAN
KLAY INSTRUMENTS2000-SANPrecision microprocessor-based pressure transmitter with hygienic connections for demanding process environments. View product
Klay Instruments 2000-VALVE
KLAY INSTRUMENTS2000-VALVEIntegrated pressure transmitter with microprocessor control, 0.1…10 bar range, adjustable zero/span, IP66 rated for harsh environments. View product
Klay Instruments 3000
KLAY INSTRUMENTS3000Intelligent ceramic pressure transmitter with 0.2% accuracy, HART-ready, and robust IP66 protection for demanding industrial environments. View product
Klay Instruments 3000-SAN
KLAY INSTRUMENTS3000-SANIntelligent ceramic pressure transmitter for hygienic applications with 0.1-50 bar range and HART capability. View product
Klay Instruments 4000
KLAY INSTRUMENTS4000Precision pressure transmitter for liquids and gases with 0.075% accuracy, ATEX/IECEx certified, and integrated display. View product
Klay Instruments 4000-SAN
KLAY INSTRUMENTS4000-SANHygienic pressure transmitter with flush diaphragm, 0.03–100 bar range, ATEX/IECEx certified for sanitary applications. View product
Klay Instruments 8000
KLAY INSTRUMENTS8000Klay 8000 pressure transmitter: 0.1–100 bar range, 0.2% accuracy, ATEX/IECEx certified, marine-approved. View product
Klay Instruments 8000-VALVE
KLAY INSTRUMENTS8000-VALVEIntegrated pressure transmitter in valve body; live-removable design with 0.1–10 bar range and 0.2% accuracy. View product
Klay Instruments CER-2000
KLAY INSTRUMENTSCER-2000Industrial pressure transmitter (40–350 bar) with ceramic sensor, 4–20 mA output, ATEX/IECEx certified. View product
Klay Instruments CER-8000
KLAY INSTRUMENTSCER-8000Industrial pressure transmitter with ceramic sensor, 40–350 bar range, ATEX/IECEx certified, 4–20 mA output. View product
Klay Instruments DP-4000 Differential Pressure Transmitter
KLAY INSTRUMENTSDP-4000 Differential Pressure TransmitterKlay DP-4000: Precise differential pressure measurement up to 20 bar with HART and Profibus PA integration. View product
UNITED ELECTRIC CONTROLS10 Series Pressure SwitchCompact pressure switch engineered for reliable alarm and control functions in industrial and OEM applications. View product
United Electric Controls 24 Series Delta-Pro Differential Pressure Switch - United Electric
UNITED ELECTRIC CONTROLS24 Series Delta-Pro Differential Pressure Switch - United ElectricCompact differential pressure switch for industrial alarm and shutdown control with proven reliability. View product
United Electric Controls Industrial Thermocouples - United Electric
UNITED ELECTRIC CONTROLSIndustrial Thermocouples - United ElectricRobust industrial thermocouples engineered for demanding process environments with proven reliability. View product
United Electric Controls INTREPID WirelessHART® Field Gateway - United Electric
UNITED ELECTRIC CONTROLSINTREPID WirelessHART® Field Gateway - United ElectricWirelessHART field gateway enabling secure mesh network connectivity for distributed pressure instruments across process facilities. View product
United Electric Controls J21K Series Differential Pressure Switch - United Electric
UNITED ELECTRIC CONTROLSJ21K Series Differential Pressure Switch - United ElectricPrecise differential pressure monitoring for critical alarm and safety shutdown applications. View product
United Electric Controls J40 Series Pressure Switch - United Electric
UNITED ELECTRIC CONTROLSJ40 Series Pressure Switch - United ElectricRobust sealed bellows pressure switch for critical alarm and shutdown control in industrial automation systems. View product
United Electric Controls J6 Series Pressure Switch - United Electric
UNITED ELECTRIC CONTROLSJ6 Series Pressure Switch - United ElectricReliable pressure monitoring with enhanced sensitivity for critical alarm and safety applications. View product
United Electric Controls One Series Electronic Switch and Transmitter - United Electric
UNITED ELECTRIC CONTROLSOne Series Electronic Switch and Transmitter - United ElectricUnified pressure monitoring solution combining switch, gauge, and transmitter in one compact unit. View product
United Electric Controls The Sensor Box™ Thermocouple and RTD Assembly Kit - United Electric
UNITED ELECTRIC CONTROLSThe Sensor Box™ Thermocouple and RTD Assembly KitModular field kit for building custom thermocouple and RTD assemblies on-site in minutes, cutting downtime and spare-parts inventory. View product
United Electric Controls TX300™ Explosion-Proof Pressure Transmitter - United Electric
UNITED ELECTRIC CONTROLSTX300™ Explosion-Proof Pressure TransmitterRugged, compact explosion-proof pressure transmitter built for demanding oil & gas and industrial hazardous-area applications. View product
United Electric Controls Vanguard WirelessHART® Fixed Point Gas Detector - United Electric
UNITED ELECTRIC CONTROLSVanguard WirelessHART® Fixed Point Gas DetectorWireless fixed-point gas detector for toxic and combustible gas monitoring with hot-swappable sensors and 5-year battery life. View product

Let’s optimise your process

Talk to our specialists about the right instrumentation and solutions for your application.