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Electronic Differential Pressure

Electronic differential pressure technology works well in most level applications and provides continual reliability with reduced costs for installation, maintenance, and repair. Through the use of two independent transmitters, this technology can provide easy set up of standard applications within the device including DP, level, flow, interface, and density.

Featured Solutions

  • PROCESS PRESSURE

    The VEGABAR 81 slave sensor is combined with a sensor from the VEGABAR 80 series to produce an electronic differential pressure measurement. The unit is suitable for the measurement of differential pressure, level with superimposed pressure or vacuum, flow, density or interface. The chemical seal systems of VEGABAR 81 slave sensor adapted to the process ensure the measurement even with highly corrosive and hot products.

    Application area

    Reliable measurement of highly corrosive and hot media. Can be combined with any other sensor of VEGABAR Series 80 for electronic differential pressure measurement.

    Your benefit

    • Simple adaptation thanks to verious configuration options
    • Reliable measurement with temperatures up to 400 °C
    • Reliable measurement independent of foam generation or tank installations

    Pressure transmitter with chemical seal for hot and chemically aggressive media

    The pressure transmitter VEGABAR 81 with chemical seal system demonstrates its capability especially in high temperatures and aggressive media. A wide range of diaphragm materials and coatings make this pressure transmitter an essential instrument across many sectors, particularly in  the chemical and petrochemical industries.
    The pressure transmitter with chemical seal delivers reliable measurement data for feedback control systems or protective equipment, e.g. for

    • continuous monitoring of process pressure in reactors
    • exhaust pressure of flue gas, e.g. in waste incineration
    • pipeline pressure in dairies
    • steam pressure control in steam drums
    • pressure monitoring in LNG tanks
    Technical specifications:
    Measuring range – Pressure
    • -1 … 1000 bar
    Process temperature
    • -90 … 400 °C
    Process pressure
    • -1 … 1000 bar
    Accuracy
    • 0.2 %
    Materials, wetted parts
    • Alloy C22 (2.4602)
    • Alloy 400 (2.4360)
    • Tantalum
    • Alloy C276 (2.4819)
    • Duplex (1.4462)
    • Titanium Grade 2 (3.7035)
    • 1.4435
    • 316/316L
    • Titanium Grade 7 (3.7235)
    Threaded connection
    • ≥ G½, ≥ ½ NPT
    Flange connection
    • ≥ DN25, ≥ 1″
    Hygenic fittings
    • Clamp ≥ 1″ – DIN32676, ISO2852
    • Slotted nut ≥ 1½”, ≥ DN40 – DIN 11851
    • hygienic fitting with tension flange DN32
    • hygienic fitting F40 with compression nut
    • Hygienice flange connection ≥ DN50 DIN11864-2
    • Hygienic fittings ≥ DN40 – DIN11864-1-A
    Seal material
    • no media contact
    Housing material
    • Plastic
    • Aluminium
    • Stainless steel (precision casting)
    • Stainless steel (electropolished)
    Protection rating
    • IP66/IP68 (0,2 bar)
    • IP66/IP67
    • IP66/IP68 (1 bar)
    • IP66/IP68 (25 bar)
    • IP69K
    Output
    • Profibus PA
    • Foundation Fieldbus
    • 4 … 20 mA
    • 4 … 20 mA/HART – two-wire
    • Modbus
    • Slave electronics for electronic differential pressure
    Ambient temperature
    • -40 … 80 °C

    Learn about Electronic Differential Pressures at BBP.

    DOWNLOAD BROCHURE
  • The VEGABAR 82 slave sensor is combined with a sensor from the VEGABAR 80 series to produce an electronic differential pressure measurement. The unit is suitable for the measurement of differential pressure and level with superimposed pressure or vacuum, flow, density or interface. It can easily measure a variety of gases, vapors and liquids. Substances such as sand can be handled easily thanks to the abrasion-resistant ceramic measuring cell. The VEGABAR 82 slave sensor offers maximum reliability. The transmitter can be used in all industries. The simple connection of VEGABAR series 80 sensors as electronic differential pressure opens new possibilities for the measurement of differential pressures.

    Application area

    Universally applicable pressure transmitter. The ceramic measuring cell is resistant to temperature shocks. Can be combined with any other sensor of VEGABAR Series 80 for electronic differential pressure measurement.

    Your benefit

    • Low maintenance costs thanks to wear-free ceramic measuring cell
    • High plant availability through maximum overload and vacuum resistance of the ceramic measuring cell
    • Measurement down to the last drop through smallest measuring ranges with high accuracy

    The robust, all-round pressure sensor with ceramic measuring cell

    The pressure sensor VEGABAR 82 is the robust all-rounder with an innovative flush mounted ceramic measuring cell that VEGA manufactures itself, as a full-range supplier of pressure instrumentation. A real highlight: the ceramic pressure sensor is resistant to thermal shock. The versatile standard instrument handles temperatures up to 150° C. The extremely high overload factor of 200 is unique to the market. This pressure sensor covers 80% of all applications in the process industry. With its oil-free ceramic CERTEC® measuring cell it is well equipped for use in all areas of industry:

    • Monitoring of feed pressure in sewage pipelines
    • Overload-resistant level and gauge pressure measurement in pressurized batch vessels
    • Level measurement of paper pulp level in bleaching towers, to protect against dry-run damage to the discharge pumps
    • Monitoring of negative pressure in distillation columns (down to absolute vacuum)
    Technical specifications:
    Measuring range – Pressure
    • -1 … 100 bar
    Process temperature
    • -40 … 150 °C
    Process pressure
    • -1 … 100 bar
    Accuracy
    • 0.05 %
    Materials, wetted parts
    • PVDF
    • 316L
    • Alloy C22 (2.4602)
    • PP
    • 1.4057
    • 1.4410
    • Alloy C276 (2.4819)
    • Duplex (1.4462)
    • Titanium Grade 2 (3.7035)
    Threaded connection
    • ≥ G½, ≥ ½ NPT
    Flange connection
    • ≥ DN15, ≥ ½”
    Hygenic fittings
    • Clamp ≥ 1″ – DIN32676, ISO2852
    • Slotted nut ≥ DN25 – DIN 11851
    • hygienic fitting with tension flange DN32
    • hygienic fitting F40 with compression nut
    • DRD connection ø 65 mm
    • SMS 1145 DN51
    • SMS DN38
    • Swagelok VCR screwing
    • Varivent G125
    • Varivent N50-40
    • for NEUMO BioControl D50 PN16 / 316L
    Seal material
    • EPDM
    • FKM
    • FFKM
    Housing material
    • Plastic
    • Aluminium
    • Stainless steel (precision casting)
    • Stainless steel (electropolished)
    Protection rating
    • IP66/IP68 (0,2 bar)
    • IP66/IP67
    • IP66/IP68 (1 bar)
    • IP66/IP68 (25 bar)
    • IP69K
    Output
    • Profibus PA
    • Foundation Fieldbus
    • 4 … 20 mA
    • 4 … 20 mA/HART – two-wire
    • Modbus
    • Slave electronics for electronic differential pressure
    Ambient temperature
    • -40 … 80 °C

    Learn about Electronic Differential Pressures at BBP.

    DOWNLOAD BROCHURE
  • The VEGABAR 83 Slave sensor is combined with a sensor from the VEGABAR 80 series to produce an electronic differential pressure measurement. The unit is suitable for the measurement of differential pressure, level with superimposed pressure or vacuum, flow, density or interface. Measured products are gases, vapours and liquids in all industries. The VEGABAR 83 offers special advantages in applications with high pressures.

    Application area

    For measurement of liquids and viscous products with high process pressure.

    Your benefit

    • Maximum dependability and safety through proven technology
    • High reliability through vacuum resistant version
    • Universal use due to welded measuring cell

    The pressure transmitter VEGABAR 83 is ideal for level and pressure measurement of liquids and viscous products with high process pressure. With its metallic measuring cell, the instrument delivers excellent measurement accuracy, even under a vacuum.

    This pressure transmitter is the first choice for process pressure or level measurement in processes with high pressure, e.g. for

    • circuit pressure measurement in hydraulic pumps
    • pipeline pressure measurement
    • bitumen level measurerment in asphalt mixing plants
    • storage tank level measurement, e.g. for milk in dairies
    Technical specifications:
    Measuring range – Pressure
    • -1 … 1000 bar
    Process temperature
    • -40 … 200 °C
    Process pressure
    • -1 … 1000 bar
    Accuracy
    • 0.075 %
    Materials, wetted parts
    • 316L
    • Alloy C22 (2.4602)
    • 316Ti (1.4571)
    • Alloy C4 (2.4610)
    Threaded connection
    • ≥ G½, ≥ ½ NPT
    Flange connection
    • ≥ DN25, ≥ 1″
    Hygenic fittings
    • Clamp ≥ 1″ – DIN32676, ISO2852
    • Slotted nut ≥ DN25 – DIN 11851
    • Varivent ≥ DN25
    • hygienic fitting with tension flange DN32
    • Hygienice flange connection ≥ DN50 DIN11864-2
    • SMS 1145 DN51
    • SMS DN38
    • Hygienic fittings ≥ DN33 – DIN11864-1-A
    • Hyg. collar clamp adapter DN40PN40 DIN11864-3-A
    • Hyg. clamp connection DIN11864-3-A; DN50 Rohr ø53
    • Swagelok VCR screwing
    • Varivent G125
    Seal material
    • EPDM
    • FKM
    • FFKM
    • FEPM
    Housing material
    • Plastic
    • Aluminium
    • Stainless steel (precision casting)
    • Stainless steel (electropolished)
    Protection rating
    • IP66/IP67
    • IP66/IP68 (1 bar)
    • IP68 (0,2 bar)
    • IP66/IP68 (25 bar)
    • IP69K
    Output
    • Profibus PA
    • Foundation Fieldbus
    • 4 … 20 mA
    • 4 … 20 mA/HART – two-wire
    • Modbus
    • Slave electronics for electronic differential pressure
    Ambient temperature
    • -40 … 80 °C

    Learn more about level measurement products available from BBP.

    DOWNLOAD BROCHURE
  • HYDROSTATIC-PRESSURE

    The VEGABAR 86 Slave sensor is a submersible pressure transmitter which is combined with a sensor from the VEGABAR 80 series to produce an electronic differential pressure measurement. It is suitable for the measurement of the gauge difference, level with superimposed pressure or vacuum, flow, density or interface. The flexibility through different cable and tube versions, offers the possibility to use the VEGABAR 86 Slave Sensor in many applications. The simple connection of VEGABAR series 80 sensors as electronic differential pressure opens new possibilities for the measurement of differential pressures.

    Application area

    For level measurement in wells, basins and open tanks. Maximum sensor length: Cable 250 m, tube 6 m. Can be combined with any other sensor of VEGABAR Series 80 for electronic differential pressure measurement.

    Your benefit

    • Low maintenance costs thanks to wear-free ceramic measuring cell
    • High plant availability through maximum overload and vacuum resistance of the ceramic measuring cell
    • Self-cleaning effect through front-flush installation

    Submersible pressure transmitter for level measurement of water, acids and alkalis

    Specially optimized for measurement of water, alkalis, acids and other chemically aggressive liquids, the submersible pressure transmitter VEGABAR 86 with ceramic measuring cell finds application in a wide range of industries – from water level measurement in the wastewater sector to level measurement in the chemical industry or in food production.

    The submersible pressure transmitter with ceramic measuring cell is ideal for:

    • chemically stable level measurement in ultrapure water
    • water level measurement with two suspension pressure transmitters for lock control
    • Maintenace-free level measurement in waste water shafts
    Technical specifications:
    Measuring range – Pressure
    • 0 … 25 bar
    Process temperature
    • -20 … 100 °C
    Process pressure
    • 0 … 25 bar
    Accuracy
    • 0.1 %
    Materials, wetted parts
    • PVDF
    • 316L
    • FEP
    • PE
    • PUR
    Threaded connection
    • ≥ G1½, ≥ 1½ NPT
    Flange connection
    • ≥ DN 40, ≥ 2″
    Seal material
    • EPDM
    • FKM
    • FFKM
    Housing material
    • Plastic
    • Aluminium
    • Stainless steel (precision casting)
    • Stainless steel (electropolished)
    Protection rating
    • IP66/IP68 (0,2 bar)
    • IP66/IP67
    • IP66/IP68 (1 bar)
    • IP66/IP68 (25 bar)
    • IP69K
    Output
    • Profibus PA
    • Foundation Fieldbus
    • 4 … 20 mA
    • 4 … 20 mA/HART – two-wire
    • Modbus
    • Slave electronics for electronic differential pressure
    Ambient temperature
    • -40 … 80 °C

    Learn about Electronic Differential Pressures at BBP.

    DOWNLOAD BROCHURE
  • VEGABAR 87

    The VEGABAR 87 Slave sensor is a submersible pressure transmitter which is combined with a sensor from the VEGABAR 80 series to produce an electronic differential pressure measurement. It is suitable for the measurement of the gauge difference, level with superimposed pressure or vacuum, flow, density or interface. The VEGABAR 87 offers the possibility to detect even smallest measuring ranges from 0.1 bar. The simple connection of VEGABAR series 80 sensors as electronic differential pressure opens new possibilities for the measurement of differential pressures.

    Application area

    For level measurement of liquids and corrosive media. Maximum sensor length: Cable 250 m, tube 6 m. Can be combined with any other sensor of VEGABAR Series 80 for electronic differential pressure measurement.

    Your benefit

    • Maximum reliability even with rapidly changing process temperatures
    • High plant availability through vacuum-resistant version
    • Very good cleanability and high chemical resistance through adapted materials

    Pressure transmitter for viscous media, even at high process temperatures

    The hydrostatic submersible pressure sensor VEGABAR 87 with metallic measuring cell measures the level of liquids and viscous media with high process temperatures (high temperature).
    The robust mechanical configuration of the metallic measuring cell protects the sensor in the demanding measuring tasks found in different industries, e.g.

    • chemically stable level measurement in ultrapure water
    • water level measurement with two hydrostatic pressure sensors for lock control
    • Maintenance-free level measurement in waste water shafts
    Technical specifications:
    Measuring range – Pressure
    • 0 … 25 bar
    Process temperature
    • -12 … 100 °C
    Process pressure
    • 0 … 25 bar
    Accuracy
    • 0.1 %
    Materials, wetted parts
    • 316L
    • Duplex (1.4462)
    • FEP
    Threaded connection
    • ≥ G1½, ≥ 1½ NPT
    Flange connection
    • ≥ DN50, ≥ 2″
    Seal material
    • no media contact
    Housing material
    • Plastic
    • Aluminium
    • Stainless steel (precision casting)
    • Stainless steel (electropolished)
    Protection rating
    • IP66/IP68 (0,2 bar)
    • IP66/IP67
    • IP66/IP68 (1 bar)
    • IP69K
    Output
    • Profibus PA
    • Foundation Fieldbus
    • 4 … 20 mA
    • 4 … 20 mA/HART – two-wire
    • Modbus
    • Slave electronics for electronic differential pressure
    Ambient temperature
    • -40 … 80 °C

    Learn about Electronic Differential Pressures at BBP.

    DOWNLOAD BROCHURE

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