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Pipe Diameter:

Mounting Type:

End Fittings:

Process Media Type:

Suspended Solids / Slurries?

Media Temperature Range:

Gas Volumetric Flow Rate:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Liquid Volumetric Flow Rate:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Operating Pressure:

Electrical Output:

Interface Options:

Measures Density?

Measures Level?

Measures Temperature?

Features:

Meter Technology:

Help with Positive Displacement Flow Meters specifications:

Pipe Size and Style
   Pipe Diameter       The diameter of the process pipe to be monitored. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Mounting Type       
   Your choices are...         
   In-line       In-line flow meters are installed directly in the process line. They have a variety of end-fittings including flanges, threads, and compression fittings. Typically, in-line flow meters require a straight run of pipe for installation. 
   Insertion Type       Devices are inserted perpendicular to flow path. They usually require a threaded hole in the process pipe or another means of access. 
   Non-Invasive       Non-invasive flow meters do not require mounting directly in the process flow and can be used in closed piping systems. Ultrasonic flow meters such as Doppler devices may use this type of mounting to read the flow through the pipe. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   End Fittings       
   Your choices are...         
   Clamp       Devices are inserted parallel to the flow path and clamped between two existing process pipes. External clamp-on flow meters are non-invasive. They do not require mounting directly in the process flow and can be used in closed piping systems.  Ultrasonic, or Doppler, flow meters may use this type of mounting to read the flow through the pipe. 
   Compression       Compression fittings tighten down a sleeve or ferrule over a joint to prevent leakage. 
   Flanged       Devices are inserted parallel to the flow path, usually between two pieces of existing, flanged process pipes. Circular or square flanges are used to connect the fitting, typically via bolting or welding. 
   Plain End       Devices have a plain, straight-pipe end that can be inserted into the bell end of the connecting pipe. 
   Socket Weld / Union       The end fitting is designed for welding or soldering and can be a weld neck. 
   Threaded       Devices are inserted parallel to the flow path and threaded into two existing process pipes. National pipe thread (NPT) is the most common thread type.  
   Tube End / Hose Nipple       Tube-end or hose-nipple is a common description for a short piece of pipe, usually with male threaded ends. 
   VCO® / VCR®       VCO® and VCR® connections are proprietary, threaded fittings for vacuum applications that use the Swagelok design. VCO® fittings have an O-ring face seal.  VCR® fittings have a metal gasket face seal. VCO and VCR are registered trademarks of Cajon Company. Swagelok is a registered trademark of Swagelok Co. 
   Other       Other unlisted, specialized, or proprietary configurations. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Media Specifications Typically, the process media type is determined by the meter technology. For additional guidance, refer to information about meter technologies, or consult the manufacturer.
   Process Media Type       
   Your choices are...         
   Gas       Devices measure the flow of gases. 
   Liquid       Devices measure the flow of liquids. 
   Steam       Devices can accommodate mixed-phase materials such as steam. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Suspended Solids / Slurries       Devices can accommodate liquids with suspended solids (slurries). Typically, the material types are determined by the meter technology chosen. For additional guidance, refer to information about meter technologies or consult the manufacturer. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Media Temperature Range       Media temperature range is the maximum media temperature that can be monitored. It is usually dependent on construction and liner materials. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Operating Performance A meter's performance can be determined by its turndown ratio. Turndown ratio is the effective dynamic or operating range of the flow meter. For example, if a 500 SCCM flow rate device has a turndown ratio of 50:1; it will operate effectively and resolve flow down to 10 SCCM. If the same device has a turndown of 100:1, then it will resolve effectively to 5 SCCM.
   Gas Volumetric Flow Rate       Gas volumetric flow rate range is the range of flow in volume/time. This specification applies to volumetric flow sensors and meters for gases. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Liquid Volumetric Flow Rate       Liquid volumetric flow rate range is the range of flow in volume/time. This specification applies to volumetric flow sensors and meters for liquids. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Temperature       The temperature range over which the device must operate. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Pressure       Operating pressure is the maximum head pressure of the process media that devices can withstand. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Output Options
   Electrical Output       
   Your choices are...         
   Analog Current       Analog current levels (transmitters) such as 4 – 20 mA are suitable for sending signals over long distances. A current is imposed on the output circuit proportional to the measurement. Feedback is used to provide the appropriate current regardless of line noise and impedance. 
   Analog Voltage       Analog voltage outputs are simple, usually linear functions of the measurement. 
   Frequency       Frequency or modulated frequency outputs include amplitude modulation (AM), frequency modulation (FM), sine waves, and pulse trains. 
   Switch       The output is a change in state of a switch or a relay. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Interface Options       
   Your choices are...         
   Serial / Digital       Flow meters can provide signal outputs in serial, parallel, Ethernet, or other digital formats. Devices with a serial/digital interface can provide a process variable for measurement, but do not include communication lines. 
   Network / Fieldbus       Devices output signals that are formatted according to an industrial fieldbus protocol such as CANbus, PROFIBUS®, or SERCOS; a networking protocol such as Ethernet; or another industrial automation protocol. PROFIBUS is a registered trademark of PROFIBUS International. 
   Other       Other unlisted, specialized, or proprietary interface options. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Features
   Measures Density       The sensor or meter also measures density. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Measures Level       The sensor or meter also measures level. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Measures Temperature       The sensor or meter also measures temperature. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Features       
   Your choices are...         
   Audible or Visual Alarms       Instruments have audible or visual alarms to alert users to dangerous conditions. 
   Averaging / Multi-Insertion       Multi-insertion flow meters determine the flow rate by taking flow rate measurements across several points in the flow path. 
   Controller Functions       Devices have or receive sensor input, provide control, (limits, PID, logic, etc.) and output a control signal. 
   Programmable       Typically, programmable meters include a built-in microprocessor. They can be adjusted electronically for different materials, ranges, outputs, etc. 
   Recorder / Totalizer Functions       Totalizer functions totalize the amount of material, media, or process variable controlled. A recorder function may be a datalogger that logs system or process variables and/or control commands for later viewing or analysis. A chart recorder that can plot (chart) flow history or give total flow for a given unit of time may also be available. 
   Sanitary       Devices are designed for use in sanitary environments, such as in medical or food processing applications. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Meter Technology
           
   Your choices are...         
   Nutating Disc       The pressure of the medium causes a disc to rock in a circulating path without rotating about its own axis. A pin extending from the disc is connected to a counter that monitors the disc's rocking motions. 
   Oval Gear       Oval-gear meters have two rotating, oval-shaped gears with synchronized, close-fitting teeth. A fixed quantity of liquid passes through the meter for each revolution. Shaft rotation can be monitored to obtain specific flow rates. 
   Piston       Incremental volumes of flow are measured via a piston. 
   Other       Other unlisted, specialized, or proprietary configurations. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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