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Emerson Automation Solutions - ROSEMOUNT
Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics

Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics

Product catalog summary

Overview: The Rosemount 8700M Magnetic Flowmeter Platform is engineered for high performance and reliability across various industrial applications. It offers a standard accuracy of 0.25% of rate, with an optional high accuracy of 0.15% of rate. The platform includes the Rosemount 8732 Transmitter and sensor options like the 8705 Flanged Sensor, 8711 Wafer Sensor, and 8721 Hygienic Sensor.

Transmitter Features: The Rosemount 8732 Transmitter is available in integral and remote mount designs, featuring a backlit display and explosion-proof housing. It supports 4-20mA with HART, Modbus RS-485, and Intrinsically Safe outputs, with advanced diagnostics and SMART Meter Verification for enhanced reliability.

Sensor Options:

8705 Flanged Sensor: Fully welded for protection, available in sizes from 1/2-in. to 36-in.
8711 Wafer Sensor: Compact and economical, suitable for easy installation.
8721 Hygienic Sensor: Designed for food, beverage, and life sciences, certified for CIP/SIP processes.

Diagnostics and Maintenance: Rosemount diagnostics reduce costs and improve output by detecting abnormal situations, accessible through interfaces like the Local Operator Interface, ProLink III, and AMS Intelligent Device Manager.

Flowmeter Sizing and Installation: Proper sensor sizing is crucial, considering fluid properties and velocity. Guidelines and conversion tables are provided for selecting the appropriate sensor size, with specific upstream and downstream piping lengths required for accuracy.

Ordering Information: Detailed ordering information is provided for the Rosemount 8732EM Transmitter and 8705-M Flanged Sensor, including model descriptions, power supply options, output configurations, and safety approvals.

Certifications and Specifications: The product meets various international standards and certifications, ensuring suitability for diverse industrial environments.

Specifications:

Lining Materials: Options include PTFE, Polyurethane, Neoprene, Linatex, PFA, ETFE, Adiprene, and PFA+.
Electrode Materials: Choices include 316L Stainless Steel, Nickel Alloy 276, Tantalum, Platinum-Iridium, Titanium, and Tungsten-Carbide coated variants.
Electrode Types: Standard and Bulletnose configurations with options for reference electrodes.
Line Sizes: Range from 1/2-inch to 36-inch, with availability depending on the lining material.
Flange Types and Materials: Slip-On and Weld-Neck options in various materials like Carbon Steel and Stainless Steel.
Flange Ratings: ASME, EN, JIS, and other standards with different pressure classes.

Procedures and Options:

Coil Housing Configurations: Various sealed and welded housing options with replaceable terminal blocks.
Safety Approvals: Includes FM, CSA, ATEX, IECEx, and Inmetro certifications for different safety requirements.
Optional Accessories: Grounding rings, lining protectors, and calibration options are available.
Miscellaneous Options: Include high accuracy calibration, lay-length matching, and submergence protection.

Recommendations: The document highlights the most common options for best delivery and advises consulting technical support for specific configurations not covered in the standard options.

Additional Features:

Calibration Options: High accuracy calibration and verification options are available.
Quality Certificates: Calibration and material traceability certificates are provided.

Material Specifications: Linatex Rubber is noted for its limited chemical resistance but excellent abrasion resistance, making it suitable for mining slurries. Adiprene is ideal for high salinity and hydrocarbon applications, offering excellent abrasion resistance and is preferred for high-pressure environments.

Electrode Material Characteristics: Various materials are used for electrodes, each with specific properties. For instance, 316L Stainless Steel offers good corrosion resistance but is not suitable for sulfuric or hydrochloric acids. Nickel Alloy 276 provides better corrosion resistance and is effective in slurry applications. Tantalum and Platinum-Iridium alloys offer excellent chemical resistance, though they are expensive.

Grounding and Installation Options: Different grounding options are available depending on the pipe type and process fluid conductivity. Grounding rings and reference electrodes are recommended for low conductivity fluids and specific applications to prevent electrolysis and galvanic corrosion.

Transmitter Specifications: The Rosemount 8732EM Transmitter is compatible with various sensors and supports both AC and DC power. It processes flow rates from 0.04 to 39 ft/s and requires a minimum conductivity of 5 microSiemens/cm. The transmitter offers advanced diagnostics and supports HART and Modbus communications.

Performance and Accuracy: System accuracy varies by sensor type, with standard accuracy typically at ±0.25% of rate. High accuracy options are available for certain sensors. The system is designed to maintain stability and accuracy over a wide range of operating conditions.

Physical and Environmental Specifications: The transmitter housing is made from low copper aluminum or optional 316 stainless steel, with an IP66 rating. It operates within a temperature range of -40 to 140 °F and supports various electrical connections.

Low Power Option: A low power software option is available, reducing coil current to conserve energy, suitable for remote applications. This option affects measurement accuracy and is limited to certain sensor sizes.

Functional Specifications:

Service: Designed for conductive liquids and slurries.
Line Sizes: Varies by model, ranging from 1/2-in. to 36-in. for the 8705-M and 1.5-in. to 8-in. for the 8711-M/L.
Interchangeability: Sensors are interchangeable with 8732EM transmitters, maintaining system accuracy.
Upper Range Limit: 39.37 ft/s (12 m/s).
Temperature and Pressure Limits: Detailed limits provided for different linings and flange materials.
Submergence Protection: Rated IP68 for submergence up to 33 ft (10 m) for 48 hours.

Physical Specifications:

Non-Wetted Materials: Includes Type 304/304L SST, Type 316/316L SST, and carbon steel.
Process-Wetted Materials: Various linings such as PTFE, ETFE, and PFA, with electrodes made from materials like 316L SST and Nickel Alloy 276.
Process Connections: Compatible with multiple standards including ASME B16.5 and EN 1092-1.
Electrical Connections: Available with 1/2 inch NPT and M20 conduit entries.

Installation and Safety:

Grounding and Lining Protectors: Optional grounding rings and lining protectors available.
Sanitary Fittings: The 8721 Hygienic Sensor uses standard IDF fittings for hygienic connections.
Safety Grounding: External and internal grounding screws provided.

Tables and Figures:

Temperature vs. Pressure Limits: Detailed in Tables 20, 21, and 22 for various flange materials and ratings.
Dimensions and Weight: Refer to Figures 6 through 25 and Tables 24 through 45 for detailed dimensions and weights.

Product Certifications: The Rosemount 8700M Flowmeter Platform is certified for use in various regions, including the USA, EU, Canada, and others. Certifications cover non-incendive, explosion-proof, and intrinsically safe applications, with specific codes for each type of certification.

Approval Markings and Logos: The document explains the meaning of various compliance symbols such as CE, ATEX, FM Approved, CSA, and others, indicating adherence to regional safety and technical standards.

European Directive Information: Compliance with European Directives such as EMC, LVD, and PED is detailed, including specific standards and requirements for transmitter and flowtube installations.

Special Conditions for Safe Use: The document outlines specific conditions for safe use, such as electrostatic charging hazards, conduit entry requirements, and temperature limitations for different configurations.

Referenced Documentation: A list of required and referenced documents is provided, including installation drawings and manuals, which cover safety instructions, installation, maintenance, and operational guidelines.

Electrical Specifications:

Power Input: 90 - 250VAC, 0.45A, 40VA; 12 - 42VDC, 1.2A, 15W.
Pulsed Circuit: Internally powered outputs up to 12VDC, 12.1mA, 73mW; Externally powered input up to 28VDC, 100mA, 1W.
4-20mA Output Circuit: Internally powered outputs up to 25mA, 24VDC, 600mW; Externally powered input up to 25mA, 30VDC, 750mW.
MODBUS: Internally powered outputs up to 100mA, 3.3VDC, 100mW.
Coil Excitation Output: 500mA, 40V max, 9W max.
Electrode Circuit: 5V, 200uA, 1mW.

Special Conditions for Safe Use:

Materials like Titanium and Zirconium are not allowed for certain processes.
Special paint systems require adherence to electrostatic charging hazard instructions.
Data communication terminals cannot withstand 500V isolation test due to transient protection.
Conduit entries must maintain IP66 ingress rating.
Copper crush washers must be replaced after use.
Flow tube and transmitter should not be thermally insulated.
Special fasteners must be A2-70 or A4-70 SST.
Contact manufacturer for flameproof joint dimensions.
Nonconductive liners require precautions to avoid charging by nonconductive media flow.

Standards Compliance:

ATEX: EN 60079 series.
IEC EX: IEC 60079 series.

Supply Wire Requirements:

Use 10 - 18 AWG wire rated for application temperature.
For temperatures above 122°F (50°C), use wire rated for 194°F (90°C).

Contact Information: Rosemount Inc., 12001 Technology Drive, Eden Prairie, MN 55344, USA.

Nomenclature and Options: Model 8732EM and 8705-M/8711-M/L Flow Tubes have various configurations and safety approvals (ATEX, IECEx). Options include different electrode materials, housing, and paint systems.

Temperature Classifications: Maximum process temperatures and corresponding temperature codes are specified for different line sizes and mounting configurations.

Catalog excerpts

Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-1

Product Data Sheet August 2015 00813-0100-4444, Rev AE Rosemount® 8700M Magnetic Flowmeter Platform  Industry leading performance: Standard reference accuracy of 0.25% of rate High reference accuracy of 0.15% of rate (optional)  Rosemount 8732 Transmitter: Integral and remote mount designs, backlit display, and explosion-proof housing  Available in 4-20mA with HART®, Modbus® RS-485, Intrinsically Safe (I.S.) outputs, Process Diagnostics, and SMART™ Meter Verification to improve reliability and performance  Rosemount 8705 Flanged Sensor: Fully welded sensor for maximum protection  Rosemount 8711 Wafer Sensor: Economical, compact, fully welded, and lightweight sensor, provided with alignment spacers for easy installation  Rosemount 8721 Hygienic (Sanitary) Sensor: Specifically designed for food, beverage, and life science

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-2

Rosemount 8700M Flowmeter Platform Product Selection Guide The Rosemount 8700M Magnetic Flowmeter Platform is available in a variety of sensor styles and configurations to ensure compatibility with virtually all applications and installations.  For available lining materials see Table 15. For available electrode materials and electrode types see Table 16. Transmitter General characteristics • Integral and remote configurations available • HART/Analog and Pulse outputs available • Modbus RS-485 and Pulse output available • Advanced Diagnostics available • Optical Switch local operator interface...

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-3

August 2015 Rosemount 8700M Flowmeter Platform Magmeter Diagnostics Rosemount diagnostics reduce cost & improve output by enabling new practices Rosemount Magnetic Flowmeters provide device diagnostics that detect and warn of abnormal situations throughout the life of the meter - from installation to maintenance and meter verification. With Rosemount Magnetic Flowmeter diagnostics enabled, plant availability and throughput can be improved, and costs through simplified installation, maintenance and troubleshooting can be reduced. 1. Available with HART output only. Options for accessing diagnostics...

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-4

Rosemount 8700M Flowmeter Platform Selecting the appropriate sensor size is an important step when considering a magnetic flowmeter. The physical properties of the process fluid, as well as the fluid velocity should be considered. It may be necessary to select a flow sensor that is larger or smaller than the adjacent piping to ensure the fluid velocity is in the recommended flow range for the application. ■ Application guidelines and velocity ranges are provided in Table 3. ■ A table to convert from volumetric flow to velocity is shown in Table 4. Two examples of these calculations are show below. ■...

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-5

August 2015 Rosemount 8700M Flowmeter Platform Table 5. Line Size vs. Velocity/Rate Upstream/downstream piping length To ensure specification accuracy over widely varying process conditions, install the sensor with a minimum of five straight pipe diameters upstream and two straight pipe diameters downstream from the electrode plane. See Figure 1. Installations with reduced upstream and downstream straight runs are possible. In reduced straight run installations, the meter may not meet absolute accuracy specifications. Reported flow rates will still be highly repeatable. Sensor grounding A reliable...

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-6

Rosemount 8700M Flowmeter Platform Rosemount 8732EM Transmitter The Rosemount 8732EM Transmitter with “Best in Class” performance, coupled with advanced diagnostics, provides unparalleled process management capabilities. An optional backlit 2-line by 16-character display/local operator interface is available. The transmitter can be configured by optical switches to simplify adjustments in hazardous environments without removing the cover. Table 6. Rosemount 8732EM Transmitter Ordering Information The starred (*) offerings represent the most common options, and should be selected for best delivery....

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-7

August 2015 Rosemount 8700M Flowmeter Platform Table 6. Rosemount 8732EM Transmitter Ordering Information(continued) The starred (*) offerings represent the most common options, and should be selected for best delivery. Options (Not required, but must be included in the model number if desired)

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-8

Rosemount 8700M Flowmeter Platform Table 6. Rosemount 8732EM Transmitter Ordering Information(continued) The starred (*) offerings represent the most common options, and should be selected for best delivery. 1. Zn Plated CS mounting bolts and 304L Bracket. 2. Intrinsically safe outputs must be externally powered. 3. FM marked, CSA marked, CE marked, C-tick marked 4. Recommend ordering with Conduit Entry code 4 or 5. 5. D1 transmitter must be ordered with D1 sensor at the same time. See “Accuracy" on page 33. 6. Remote cable kits are shipped with the transmitter and not connected to the terminals. 7....

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-9

August 2015 Rosemount 8700M Flowmeter Platform August 2015 Rosemount 8700M Flowmeter Platform Rosemount 8705-M Flanged Sensor All flanged sensors are fabricated from stainless and carbon steel and welded to provide a hermetic seal that protects against moisture and other contaminants. Sizes range from 1/2-in. (15 mm) to 36-in. (900 mm). The sealed housing ensures maximum sensor reliability by protecting all internal components and wiring from the most hostile environments. Table 7. Rosemount 8705-M Flanged Sensor Ordering Information The starred (*) offerings represent the most common options,...

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-10

August 2015 Table 7. Rosemount 8705-M Flanged Sensor Ordering Information(continued) The starred (*) offerings represent the most common options, and should be selected for best delivery. N/A=Not Available.

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-11

August 2015 Rosemount 8700M Flowmeter Platform Table 7. Rosemount 8705-M Flanged Sensor Ordering Information(continued) The starred (*) offerings represent the most common options, and should be selected for best delivery. N/A=Not Available.

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Rosemount Magnetic Flowmeter 8732EM with Revision 4 Electronics-12

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