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Process Control Instruments, Field Devices and Industrial Automation
PRODUCTS & SERVICES is a provider of process control instruments and field devices for Oil & Gas, Industrial Machinery, Pipelines, Custody Transfer, Tank Gauging, Waste Processing, Water Treatment Plants, Burner Management Systems and Incinerators, Conveyor Control, Food & Beverage, Motor, Pump & Compressor Control, Wireless Telemetry, Data Logging, Real-Time Process Data to Web.

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EH Deltabar FMD72 electronic differential pressure system with two metal sensor modules and one transmitter for measurement of pressure, level, volume or mass on liquids. High and low pressure sensors for hydrostatic and head pressure. 400 mbar to 10 bar measuring range. Threads and flange process connections. 4-20mA output. Silicone oil fill fluid. Stainless Steel or Aluminum Housing. ATEX, FM, CSA, CSA C/US and IECEx Approvals.

Part# with Options:        FMD72-AA28AAA1F1FGABCBCGCJGCJA1
Price with Options:        Please Email us your request for quote   


(1) Approval for EH Deltabar FMD72
Display & Operation
(2) Display & Operation for EH Deltabar FMD72
Housing Transmitter
(3) Housing Transmitter for EH Deltabar FMD72
Housing Sensor Mudule
(4) Housing Sensor Mudule for EH Deltabar FMD72
Electrical Connection
(5) Electrical Connection for EH Deltabar FMD72
Sensor Range
(6) Sensor Range for EH Deltabar FMD72
Sensor Range
(7) Sensor Range for EH Deltabar FMD72
Reference Accuracy
(8) Reference Accuracy for EH Deltabar FMD72
Calibration & Unit
(9) Calibration & Unit for EH Deltabar FMD72
Cable Length Sensor-Transmitter
(10) Cable Length Sensor-Transmitter for EH Deltabar FMD72
Cable Length Sensor-Sensor
(11) Cable Length Sensor-Sensor for EH Deltabar FMD72
Process Connection Sensor 1
(12) Process Connection Sensor 1 for EH Deltabar FMD72
Process Connection Sensor 2
(13) Process Connection Sensor 2 for EH Deltabar FMD72
Membrane Material
(14) Membrane Material for EH Deltabar FMD72

  Availability 7 Days  ]


The Deltabar FMD71/FMD72 is used to measure the differential pressure or level, volume or mass of liquids in pressurized or vacuum vessels

Your benefits

The electronic differential pressure system eliminates traditional mechanical issues resulting in greater process availability and reliability

  • Safety risks are minimized with the electronic differential pressure system architecture and design
  • Lowest total cost of ownership due to reduced installation time, maintenance, downtime and spare requirements, downtime and spare requirements.
  • Multivariable level measurement: HART-based differential pressure, head pressure and sensor temperatures from one system
  • Continuous health indication of the entire system via HART-based diagnostic
  • High reproducibility and long-term stability
  • Overload-resistant and function-monitored
Measuring Principle

The process pressure deflects the metal process isolating diaphragm of the sensor and a fill fluid transfers the pressure to a Wheatstone bridge (semiconductor technology). The pressure-dependent change in the bridge output voltage is measured and evaluated.

  • Can be used for process pressures up to 40 bar (600 psi)
  • Fully welded process isolating diaphragm
  • Small, flush-mounted process connections
  • Significantly reduced thermal effect e.g. compared to diaphragm seal systems with capillaries

Measuring Principle Differential pressure
Characteristic / Application Electronic differential pressure transmitter with metal sensor for level, volume or mass measurement in liquids.
Supply / Communication 4...20 mA HART
Accuracy 0.075% of individual sensor,
"PLATINUM" 0.05% of individual sensor
Long term stability 0.05% of URL/year of individual sensor
Ambient temperature 40...+80C
(40... +176F)
Process temperature 40...+125C
(40 ... +257F)
Process pressure absolute / max. overpressure limit 160 bar (2400 psi)
Pressure measuring range 400 mbar...10 bar
(6 psi...150 psi)
Main wetted parts 316L, Alloy C
Process connection Threads
Flange (DIN, ASME,JIS)
Process connection hygienic DIN11851
Communication 4...20 mA HART
Certificates / Approvals ATEX, FM, CSA, CSA C/US IEC Ex, NEPSI, INMETRO

Design approvals NACE MR0175
Hygienic approvals FDA

Options 4-line digital display
SS- or Aluminium housing
Application limits Use the Software Applicator Sizing Electronic DP

B2B Checkout Options: PO#, Designated Carrier and Tax-Exempt purchase
Payment Options: Credit Card, Credit Card Over the Phone, PAYPAL, Wire Transfer, Check and Money Order

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EH Deltabar PMD75 differential pressure transmitter with metal sensor. 10mbar to 40bar measuring range. 1/4-18NPT process connection. Stainless Steel or Aluminum Housing. ATEX, FM, CSA, CSA C/US and IECEx Approvals.



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