Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco

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Table of Contents Scanner ® 2000 microEFM vi
Scanner ® 2000 microEFM Section 1 Section 1—Introduction The NuFlo Scanner 2000 microEFM (Figure 1.1, page 11) packs the gas, steam, and liquid measurement capabilities commonly available only in large instruments into a compact, low-power flow computer that is rated for explosion-proof installations. A single lithium battery pack typically powers the instrument for more than a year, making it ideal for remote locations where power supply options are limited. The Scanner 2000 is an economical chart recorder replacement, stand-alone totalizer, and flow computer, all in one. It measures and computes standard volumes of gas, steam, petroleum liquids, and generic liquids with a high degree of accuracy. These measurements are typically based on the differential pressure outputs of an orifice plate or a cone meter, or the linear pulse output of a turbine, positive displacement or vortex flowmeter. This combination is ideal for the gas and water measurement associated with coal bed methane operations. Combining the differential pressure and static pressure inputs of an integral MVT with a process temperature input, the Scanner 2000 offers everything needed for an AGA-3 run in a compact, explosion-proof device. Similarly, compensated liquid measurements can be obtained with an orifice meter, cone meter, or averaging pitot tube meter (such as Annubar ® ) installation, using flow calculations based on AGA-3, ISO-5167, or averaging pitot tube calculation methods. Alternatively, the Scanner 2000 can be paired with a pulse output gas meter to obtain gas measurements in compliance with AGA-7 standards. Live temperature and pressure inputs and the AGA-7 algorithm allow computations based on gas turbine, rotary or vortex meters. When liquid measurement is the goal and pressure inputs are not required, simply purchase the Scanner 2000 without the MVT and mount it directly to a liquid turbine meter, then install an RTD in the flow line for temperature compensation. The Scanner 2000 uses algorithms based on AGA-7 principles to give accurate measurement of API liquids and other generic liquids. The addition of an optional expansion board expands the input/output capabilities to include a second turbine meter input, enabling the Scanner 2000 to measure up to three separate flow runs, which could represent a gas measurement, water measurement and oil measurement. A pulse input, two analog inputs, and an analog output are also included on the expansion board. Every Scanner 2000 microEFM is shipped complete with software for fully configuring hardware and flow calculations, calibrating inputs, and collecting and viewing flow history. With hardware and software included in the standard product offering, the Scanner 2000 microEFM is a complete alternative to the chart recorder. Plus, because the Scanner can be powered by a lithium battery pack that is contained in the enclosure, the installation cost for a Scanner 2000 is about the same as that for a chart recorder. High-speed communication via industry standard Modbus ® and Enron Modbus ® protocols makes it easy to integrate the Scanner into other measurement systems. Measurement Canada has approved the Scanner 2000’s use for custody transfer applications when an optional seal kit is installed. See Appendix A—Scanner 2000 Hardware Options, for details. For a complete list of specifications, see Table 1.1, page 14. 7
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Section 2 Scanner ® 2000 microEFM
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Appendix A Scanner ® 2000 microEFM
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Appendix B Scanner ® 2000 microEFM
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Appendix C Scanner ® 2000 microEFM
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Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco

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