Endress+Hauser Deltabar FMD72 Technical Information
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Endress+Hauser Deltabar FMD72 Technical Information

Endress+Hauser Deltabar FMD72 Technical Information

Level measurement with electronic differential pressure
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TI01033P/00/EN/04.14
71243971
Electronic differential pressure transmitter with ceramic and metal sensors
Application
The Deltabar FMD71/FMD72 is used to measure the level,
volume or mass of liquids in pressurized and 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.
Products
Technical Information
Deltabar FMD71, FMD72
Level measurement with electronic differential pressure
Solutions
• 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
Services

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Summary of Contents for Endress+Hauser Deltabar FMD72

  • Page 1 Products Solutions Services TI01033P/00/EN/04.14 71243971 Technical Information Deltabar FMD71, FMD72 Level measurement with electronic differential pressure Electronic differential pressure transmitter with ceramic and metal sensors Application • Multivariable level measurement: HART-based differential pressure, head pressure and sensor temperatures from one The Deltabar FMD71/FMD72 is used to measure the level, system volume or mass of liquids in pressurized and vacuum vessels.

  • Page 2: Table Of Contents

    ....... . . 44 FMD71 total error ......22 Endress+Hauser...
  • Page 3 Registered trademarks ..... . 64 HARTâ ........64 Endress+Hauser...

  • Page 4: Document Information

    Symbols for certain types of information Symbol Meaning Permitted Indicates procedures, processes or actions that are permitted. A0011182 Preferred Indicates procedures, processes or actions that are preferred. A0011183 Forbidden Indicates procedures, processes or actions that are forbidden. A0011184 Indicates additional information. A0011193 Endress+Hauser...

  • Page 5: Documentation

    Documentation • On the CD supplied with the device • In the Download Area of the Endress+Hauser Internet site: www.endress.com → Download Brief Operating Instructions KA01105P: getting the 1st measured value quickly The Brief Operating Instructions contain all the essential information from incoming acceptance to initial commissioning.

  • Page 6: Terms And Abbreviations

    TD = URL + ½LRL½/½ URV - LRV ½ 4.66:1 Set span Set span: Zero-based span URV – LRV =300 mbar (4.35 psi) Nominal value Upper range limit (URL) This span is based on the zero point. Nominal measuring range Sensor measuring range Endress+Hauser...

  • Page 7: Function And System Design

    • High long-term stability • Guaranteed overload resistance up to 10 times the nominal pressure • Significantly less thermal effect compared to diaphragm seal systems with capillaries A0016448 Silicon measuring element, substrate Wheatstone bridge Channel with fill fluid Metal process isolating diaphragm Endress+Hauser...

  • Page 8: Measuring System

    4 to 20 mA with superimposed HART protocol Options • NACE-compliant materials • Software pre-configurations MWP: depends on the lowest-rated element, with regard to pressure, of the selected component Product design Level measurement (level, volume and mass) with Deltabar: Endress+Hauser...

  • Page 9: System Integration

    System integration The device can be given a tag name (max. 32 alphanumeric characters). Designation Version Measuring point (TAG), see additional specifications Product Configurator, "Identification" section Endress+Hauser...

  • Page 10: Input

    10 bar (150 psi) +10 (+150) 26.7 (400.5) 40 (600) 40 bar (600 psi) +40 (+600) 40 (600) 60 (900) The vacuum resistance applies for the measuring cell under reference operating conditions. (see "Reference operating conditions" section) Product Configurator, "Sensor range" section Endress+Hauser...

  • Page 11: Fmd72: Measuring Range Of Individual Sensors

    +10 (+150) 26.7 (400.5) 40 (600) 40 bar (600 psi) –1 (–15) +40 (+600) 100 (1500) 160 (2400) The vacuum resistance applies for the measuring cell under reference operating conditions. (see "Reference operating conditions" section) Product Configurator, "Sensor range" section Endress+Hauser...

  • Page 12: Output

    Power supply for II 1/2 G Ex ia, FM IS, CSA IS Power supply for devices for the non-hazardous area, 2 G Ex d, 3 G Ex nA, FM XP, FM NI, CSA XP, CSA dust ignition-proof maximum load resistance Lmax Supply voltage Endress+Hauser...

  • Page 13: Dead Time, Time Constant

    (time constant = 0.0). Alarm current Designation Version Configured min alarm current Product Configurator, "Service" section Firmware Version Designation Version 01.00.zz, HART, DevRev01 Product Configurator, "Firmware Version" section Endress+Hauser...

  • Page 14: Protocol-Specific Data

    • Sensor press. HP • Sensor temperature HP • Measured pressure LP • Sensor press. LP • Sensor temperature LP • Level before linearization • Tank content • Electronic temperature Supported functions • Burst mode • Additional transmitter status Endress+Hauser...

  • Page 15: Power Supply

    As a result, operation is also possible with a lower supply voltage. To keep the corresponding measured error below 0.1 %, the current measuring device should exhibit an internal resistance of <0.7Ω. Observe the position of the jumper in accordance with the following table. Endress+Hauser...

  • Page 16: Cable Specification For Transmitter Connection

    • Minimum supply voltage: 12 V DC A0019993 Cable specification for • Endress+Hauser recommends using twisted, shielded two-wire cables. • Terminals for core cross-sections0.5 to 2.5 mm (20 to 14 AWG) transmitter connection • The cable outer diameter depends on the cable entry used.

  • Page 17: Performance Characteristics - General

    This effect can be corrected using the function to adjust the position (position adjustment) for the differential pressure. Additional position adjustments for individual pressure signals are not available. A position-dependent zero shift can be corrected on the device . Warm-up period 4 to 20 mA HART : < 10 s Endress+Hauser...

  • Page 18: Vibration Effects

    A high ratio between the level and head pressure can result in large measured errors. A maximum ratio of 1:10 is recommended. For calculation purposes, please use the free "Applicator" calculation tool, which is available online at "www.endress.com/applicator" or on CD-ROM. Endress+Hauser...

  • Page 19: Performance Characteristics - Devices With Ceramic Process Isolating Diaphragm

    ±0.075 A = ±0.05 A0016468 2 bar (30 psi) 4 bar (60 psi) Percentage calculation of URL dP: 10 bar (150 psi) 40 bar (600 psi) Diff Diff Diff A0016469 Ordering information Designation Version Platinum Standard Product Configurator, "Reference accuracy" section Endress+Hauser...

  • Page 20: Thermal Change Of The Zero Output And The Output Span For Fmd71

    1 bar (15 psi) Absolute = ±0.092 T = ±0.75 total Diff 2 bar (30 psi) pressure Diff 4 bar (60 psi) A0016475 10 bar (150 psi) 40 bar (600 psi) Absolute = ±0.092 T = ±0.5 total pressure Endress+Hauser...

  • Page 21: Fmd71 Total Performance

    Percentage calculation of URL dP: 40 bar (600 psi) Diff TP [%] Diff Diff A0016471 The "Applicator Sizing Electronic dp" selection tool, available free of charge on the Endress +Hauser web site (www.endress. com/applicator), enables detailed calculations for your respective applications. Endress+Hauser...

  • Page 22: Fmd71 Long-Term Stability

    1 bar (15 psi) TE = ±0.2 TE = ±0.51 TE = ±0.7 2 bar (30 psi) A0016472 4 bar (60 psi) 10 bar (150 psi) Percentage calculation of URL dP: 40 bar (600 psi) Diff Diff Diff A0016473 Endress+Hauser...

  • Page 23: Performance Characteristics - Devices With Metal Process Isolating Diaphragm

    2 bar (30 psi) = ±0.1 = ±0.4 span span A0016474 4 bar (60 psi) = ±0.01 = ±0.02 zero point zero point 10 bar (150 psi) Percentage calculation of URL dP: 40 bar (600 psi) Diff Diff Diff A0016475 Endress+Hauser...

  • Page 24: Fmd72 Total Performance

    Calculation (mbar, bar or psi): 1 bar (15 psi) TE = ±0.20 2 bar (30 psi) URL ) URL ) Diff 4 bar (60 psi) 10 bar (150 psi) A0016472 40 bar (600 psi) Percentage calculation of URL dP: Diff Diff Diff A0016473 Endress+Hauser...

  • Page 25: Installation

    • Ambient temperature (T ): ≤ 70 °C (158 °F) • Process temperature (T ): ≤ 150 °C (302 °F) The data were determined under the most critical application "quiescent air". A0021075 Ambient temperature Process temperature Insulation height Insulation material Endress+Hauser...

  • Page 26: Installing The Sensor Modules

    • If an additional mounting bracket is required (e.g. for a PVDF process connection), it can be ordered as follows: Product Configurator, "Enclosed accessories" section, "PA" version or as separate accessory (Part No.: 71102216). • Dimensions (→  53). Endress+Hauser...

  • Page 27: Sensor And Transmitter Cable

    • Flame resistance: to DIN 60332-1-2 and DIN EN 50266-2-5 • Halogen-free: to DIN VDE 0472 part 815 • Oil-resistant: to DIN EN 60811-2-1 • Other: UV-resistant to DIN VDE 0276-605 • Bending radius: min. 34 mm (1.34 in), permanently installed Endress+Hauser...

  • Page 28: Environment

    • Electromagnetic compatibility to EN 61326 Appendix A and NAMUR Recommendation EMC compatibility (NE21). For details refer to the Declaration of Conformity. • Maximum deviation: < 0.5 % of span • All EMC measurements were performed with a turn down (TD) = 2:1. Endress+Hauser...

  • Page 29: Process

    • High-temperature version: –15 to +150 °C (+5 to +302 °F); see ordering information for feature 610, version "NB". • For saturated steam applications, use a Deltabar FMD72 with a metal process isolating diaphragm or provide a siphon for temperature isolation when installing.

  • Page 30: Pressure Specifications

    OPL value of the process connection. If you want to use the entire sensor range, select a process connection with a higher OPL value (1.5 x PN; MWP = PN). Formula does not apply to the FMD72 with a 40 bar (600 psi) measuring cell. Endress+Hauser...

  • Page 31: Mechanical Construction

    (space that is used to install the device). You can use the following table for this purpose: Section Page Height Example Housing height (→  32) ff. Process connections (→  34) Installation distance A0021292 Device height Endress+Hauser...

  • Page 32: T14 Transmitter Housing (Optional Display On The Side)

    Engineering unit mm (in) Material Degree of protection Cable entry Weight kg (lbs) Version With display Without display 316L IP66/68 NEMA 6P • M20 2.6 (5.73) 2.5 (5.51) • G ½ (on request) • NPT ½ Product Configurator, "Transmitter housing" section Endress+Hauser...

  • Page 33: Sensor Housing

    Standard height 26 mm (1.02 in) Device with Ex d[ia], CSA XP or FM XP 96 mm (3.78 in) High-temperature version 106 mm (4.17 in) High-temperature version with Ex d[ia], CSA XP or FM XP 176 mm (6.93 in) Endress+Hauser...

  • Page 34: Fmd71 Process Connections, Internal Process Isolating Diaphragm

    Standard height 26 mm (1.02 in) Device with Ex d[ia], CSA XP or FM XP 96 mm (3.78 in) High-temperature version 106 mm (4.17 in) High-temperature version with Ex d[ia], CSA XP or FM XP 176 mm (6.93 in) Endress+Hauser...

  • Page 35: Fmd71 Process Connections, Internal Process Isolating Diaphragm

    ANSI ½" FNPT 11.4 mm (0.45 in) AISI 316L (CRN) Alloy C276 (2.4819) (CRN) Monel (2.4360) Product Configurator, "Process connection" section Description Height H High-temperature version 86 mm (3.39 in) High-temperature version with Ex d[ia], CSA XP or FM XP 151 mm (5.94 in) Endress+Hauser...

  • Page 36: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    ANSI 2" MNPT AISI 316L (CRN) Alloy C276 (2.4819) (CRN) Monel (2.4360) Product Configurator, "Process connection" section Description Height H High-temperature version 86 mm (3.39 in) High-temperature version with Ex d[ia], CSA XP or FM XP 151 mm (5.94 in) Endress+Hauser...

  • Page 37: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    DIN 13 M44 x 1.25 AISI 316L 0.63 (1.39) Alloy C276 (2.4819) Product Configurator, "Process connection" section Description Height H High-temperature version 86 mm (3.39 in) High-temperature version with Ex d[ia], CSA XP or FM XP 151 mm (5.94 in) Endress+Hauser...

  • Page 38: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    Thread ISO 228 G 2" A AISI 316L Alloy C276 (2.4819) Monel (2.4360) Product Configurator, "Process connection" section Description Height H High-temperature version 86 mm (3.39 in) High-temperature version with Ex d[ia], CSA XP or FM XP 151 mm (5.94 in) Endress+Hauser...

  • Page 39: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    < 0.76 µm (30 µin) as standard. Surface quality R < 0.38 µm (15 µin) electropolished (wetted) available on request. Endress+Hauser supplies these slotted nuts in stainless steel AISI 304 (DIN/EN material number 1.4301) or in AISI 304L (DIN/EN material number 1.4307). Endress+Hauser...
  • Page 40 DIN11864-1 A DN50 PN40 pipe DIN11866-A, slotted nut, 316L, EHEDG, 3A 1 (2.21) Product Configurator, "Process connection" section Endress+Hauser supplies these slotted nuts in stainless steel AISI 304 (DIN/EN material number 1.4301) or in AISI 304L (DIN/EN material number 1.4307). Endress+Hauser...
  • Page 41 APV inline DN50 PN40, 316L, 3A, with FDA seal AISI 316L (1.4435) 1.2 (2.65) DRD DN50 (65 mm) PN 25, slotted nut AISI 304 (1.4301) 0.9 (1.98) NEUMO BioControl, D50, PN16, 316L, 3A 0.8 (1.76) Product Configurator, "Process connection" section Endress+Hauser...

  • Page 42: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    Mount only with mounting bracket. MWP 10 bar (150 psi), OPL max . 15 bar (225 psi) process temperature range: –10 to +60 °C (+14 to +140 °F) Description Height H Standard height 26 mm (1.02 in) Device with Ex d[ia], CSA XP or FM XP 96 mm (3.78 in) Endress+Hauser...

  • Page 43: Fmd71 Process Connections, Flush-Mounted Process Isolating Diaphragm

    ECTFE coating on AISI 316/316L. When using in hazardous areas: avoid electrostatic charge on the plastic surfaces. max.: 15 bar (225 psi), –10 to +60 °C (+14 to +140 °F) Description Height H Standard height 26 mm (1.02 in) Device with Ex d[ia], CSA XP or FM XP 96 mm (3.78 in) Endress+Hauser...

  • Page 44: Diaphragm

    Thread ISO 228 G ½" A, G ¼" (female) EN 837 AISI 316L (CRN) Alloy C276 (2.4819) (CRN) Thread ISO 228 G ½" A EN 837, bore 11.4 mm (0.45 in) AISI 316L (CRN) Alloy C276 (2.4819) (CRN) Product Configurator, "Process connection" section Endress+Hauser...

  • Page 45: Diaphragm

    0.63 (1.39) Alloy C276 (2.4819) (CRN) ANSI ½" MNPT, bore 11.4 mm (0.45 in) AISI 316L (CRN) Alloy C276 (2.4819) (CRN) ANSI ½" FNPT 11.4 mm (0.45 in) AISI 316L (CRN) Alloy C276 (2.4819) (CRN) Product Configurator, "Process connection" section Endress+Hauser...

  • Page 46: Fmd72 Process Connections, Flush-Mounted Process Isolating Diaphragm

    A0021616 A0021615 Engineering unit mm (in) Item Designation Material Weight Version kg (lbs) Thread ISO 228 G 1 ½" A AISI 316L 1.1 (2.43) Thread ISO 228 G 2" A AISI 316L 1.5 (3.31) Product Configurator, "Process connection" section Endress+Hauser...

  • Page 47: Fmd72 Process Connections, Flush-Mounted Process Isolating Diaphragm

    Engineering unit mm (in) Item Designation Material Weight Version kg (lbs) ANSI 1" MNPT AISI 316L (CRN) 0.7 (1.54) ANSI 1 ½" MNPT AISI 316L (CRN) 1 (2.21) ANSI 2" MNPT AISI 316L (CRN) 1.3 (2.87) Product Configurator, "Process connection" section Endress+Hauser...

  • Page 48: Fmd72 Process Connections, Flush-Mounted Process Isolating Diaphragm

    The sealing surface in these process connections is smaller than what is specified in the standard. Due to the smaller sealing surface, a special seal must be used. For further information, please contact a seal manufacturer or your local Endress+Hauser Sales Center.

  • Page 49: Fmd72 Process Connections, Flush-Mounted Process Isolating Diaphragm

    The sealing surface in these process connections is smaller than what is specified in the standard. Due to the smaller sealing surface, a special seal must be used. For further information, please contact a seal manufacturer or your local Endress+Hauser Sales Center.

  • Page 50: Fmd72 Process Connections, Flush-Mounted Process Isolating Diaphragm

    DIN11851 55.4 78 (3.07) 28 (1.10) (2.18) (0.83) (1.98) DIN11851 67.4 92 (3.62) 28 (1.10) (2.65) (0.87) (2.43) The roughness of the surface in contact with the medium is R 0.76 µm (30 µin). Delta ferrite content <1 % Endress+Hauser...
  • Page 51 66 (2.6) 53 (2.09) 28 (1.10) 0.9 (1.98) TQJ Varivent 84 (3.31) 68 (2.68) 28 (1.10) 1.1 (2.43) TRJ The roughness of the surface in contact with the medium is R 0.76 µm (30 µin). Delta ferrite content <1 % Endress+Hauser...
  • Page 52 99.5 (3.92) 69 (2.72) 82 (3.23); 28 (1.10) 1.2 (2.65) 6 x ø 8.6 mm (0.34 in) + 2 x The roughness of the surface in contact with the medium is R 0.76 µm (30 µin). Delta ferrite content <1 % Endress+Hauser...

  • Page 53: Wall And Pipe Mounting With Mounting Bracket

    122 (4.8) 158 (6.22) ø42...60 (1.65...2.36) A0016495 Engineering unit mm (in) Weight kg (lbs) Version Housing Mounting bracket (→  32) 0.5 (1.1) Product Configurator, "Process connection" section Also available for order as a separate accessory: part number 71102216 Endress+Hauser...

  • Page 54: Materials In Contact With Process

    • No additives or operating materials derived from animals are used in production or processing. Process connections • Endress+Hauser supplies DIN/EN flanges and threaded connection in stainless steel as per AISI 316L (DIN/ EN material number 1.4404 or 1.4435). With regard to their stability-temperature property, the materials 1.4404 and 1.4435 are grouped together under 13E0 in EN 1092-1: 2001...

  • Page 55: Materials Not In Contact With Process

    (polycarbonate on request) Sight glass seal Silicone (VMQ) Screw Sealing ring EPDM Snap ring PA66-GF25 Round strand rope for nameplates AISI 304 (1.4301)/ AISI 316 (1.4401) External ground terminal AISI 304 (1.4301) Cover clamp Clamp AISI 316L (1.4435), screw A4 Endress+Hauser...
  • Page 56 Coating on thread: Heat-curing lubricant varnish External ground terminal AISI 304 (1.4301) Cable entry Polyamide PA, for dust ignition-proof: CuZn nickel-plated Seal of cable entry and plug Silicone (VMQ) Blind plug PBT-GF30 FR, for dust ignition-proof: AISI 316L (1.4435) Endress+Hauser...
  • Page 57 Connecting parts A0016497 Item number Component part Material Mounting bracket Bracket AISI 316L (1.4404) Screw and nuts A4-70 Half-shells: AISI 316L (1.4404) M12 plug PP and stainless steel Cable for transmitter connection PE-X halogen-free Cable for sensor connection PE-X halogen-free Endress+Hauser...

  • Page 58: Operability

    • Option for configuring the display according to individual requirements and preferences, such as language, alternating display, display of other measured values such as sensor temperature, contrast setting. • Comprehensive diagnostic functions (fault and warning message, peak-hold indicators, etc.). • Quick and safe commissioning Endress+Hauser...
  • Page 59 A0016499 The operating keys on the outside of the device make it unnecessary to open the housing. This guarantees: • Complete protection against environmental influences such as moisture and contamination. • Simple operation without any tools. • No wear. Endress+Hauser...

  • Page 60: Operating Languages

    Operating keys Slot for optional display Operating languages You can also choose another language in addition to the standard language "English": Designation Version English (standard) German French Spanish Italian Portuguese Chinese, simplified characters Japanese Product Configurator, "Additional operating language" section Endress+Hauser...

  • Page 61: Certificates And Approvals

    Deltabar FMD71, FMD72 Certificates and approvals CE mark The device meets the legal requirements of the relevant EC directives. Endress+Hauser confirms that the device has been successfully tested by applying the CE mark. Ex approvals • ATEX • FM • CSA •...

  • Page 62: Classification Of Process Sealing Between Electrical

    • "Approval" section, "CSA approval" version Classification of process Endress+Hauser devices are designed in accordance with ANSI/ISA 12.27.01. allowing the user to waive the use and save the cost of installing external secondary process seals in the conduit as sealing between electrical required by the process sealing sections of ANSI/NFPA 70 (NEC) and CSA 22.1 (CEC).

  • Page 63: Ordering Information

    • Automatic verification of exclusion criteria • Automatic creation of the order code and its breakdown in PDF or Excel output format • Ability to order directly from the Endress+Hauser Online Shop Documentation Field of Activities...

  • Page 64: Registered Trademarks

    Deltabar FMD71, FMD72 Device Certificate/type of protection Documentation Version FMD72 FM C/US XP AIS Cl.I Div.1 Gr.A-D, Exd [ia] Zone 0,1,2 XA00625P FMD72 FM C/US NI Cl.I Div.2 Gr.A-D, Zone 2 XA00669P Product Configurator, "Approval" section The nameplate provides information on the Safety Instructions (XA) that are relevant for the device.

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