Sierra 241-VTP, 240-VTP instruction manual Appendix B Glossary, C D

Page 73

Series 24-HP Instruction Manual

Appendix B Glossary

 

 

Appendix B Glossary

A B C D

A

Cross sectional area.

ACFM

Actual Cubic Feet Per Minute (volumetric flow rate).

ASME

American Society of Mechanical Engineers.

Bluff Body

A non-streamlined body placed into a flow stream to

 

create vortices. Also called a Shedder Bar.

BTU

British Thermal Unit, an energy measurement.

Cenelec

European Electrical Code.

Compressibility

A factor used to correct for the non-ideal changes in

Factor

a fluid’s density due to changes in temperature

 

and/or pressure.

CSA

Canadian Standards Association.

d

Width of a bluff body or shedder bar.

D

Diameter of a flow channel.

E F G H

f

Frequency of vortices generated in a vortex flow

 

meter, usually in Hz.

Flow Channel

A pipe, duct, stack, or channel containing flowing fluid.

Flow Profile

A map of the fluid velocity vector (usually non-

 

uniform) in a cross-sectional plane of a flow channel

 

(usually along a diameter).

FM

Factory Mutual.

Ft

Foot, 12 inches, a measure of length.

Ft^2

Square feet, measure of area.

Ft^3

Cubic feet, measure of volume.

GPM

Gallons Per Minute.

Hz

Hertz, cycles per second.

IM-24-HP

B-1

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Contents Models 240-VT, 240-VTP, 241-VT, 241-VTP Copyright Sierra Instruments Customer NoticeTable of Contents Troubleshooting and Repair Tables FiguresTable of Contents Introduction Using This ManualInnova-MassMulti-Parameter Vortex Mass Flow Meters Technical Assistance Receipt of System ComponentsVelocity Measurement How the Innova-Mass Vortex Mass Flow Meter OperatesVortex Frequency Sensing Vortex Shedding FrequencyGas Liquid Flow Velocity RangeReynolds Number Range for the Innova-Mass Temperature MeasurementPressure Measurement Flow Meter ConfigurationsFlow Meter Electronics Installation Overview InstallationFlow Meter Installation Requirements Unobstructed Flow Requirements Flange Bolt Specifications Series 240 In-Line Flow Meter InstallationWafer-Style Flow Meter Installation Wafer-Style Flow Meter InstallationFlange-Style Flow Meter Installation Flange-Style Flow Meter InstallationMounting Position Series 241 Insertion Flow Meter InstallationIsolation Valve Selection Cold Tap Guidelines Flow Hot Tap GuidelinesUse the Correct Insertion Formula Flow Meter InsertionExample Installing Flow Meters with a Compression ConnectionInsertion Procedure for Meters with a Compression Connection Example 1 Flange Style Meters Installing Flow Meters with a Packing Gland ConnectionExample 2 NPT Style Meters Flow Meter with Permanent Insertion Tool 10. Flow Meter with Removable Insertion Tool 11. Insertion Calculation Meters without Insertion Tool Installation Display/Keypad Adjustment All Meters Adjusting Meter Orientation13. Enclosure Viewing Adjustment Enclosure Adjustment Series 240 OnlyInput Power Connections Wiring ConnectionsAC Power Wiring DC Power Wiring16. Load Resistance Versus Input Voltage MA Output ConnectionsPulse Output Connections 20. Isolated Pulse Output with External Power Supply 23. Isolated Alarm Output with External Power Supply Alarm Output Connections25. Isolated Alarm Output Using Meter Provided Power Supply Remote Electronics WiringOptional Energy EMS Input Electronics Wiring Optional Input Electronics WiringPage Flow Meter Display/Keypad Operating InstructionsSierra Start-Up Run Mode ScreensProgramming the Flow Meter Using the Setup MenusTimeConstSec Xxxx Output MenuFirst, set the desired units of measurement Example for Setting an OutputDisplay Menu Example for Changing a Run Mode Display ItemExample for Setting an Alarm Alarms MenuTotalizer #1 Menu Example for Setting the TotalizerTotalizer #2 Menu Energy Menu For EMS Energy Meters Only ConfigurationFluid Menu Units Menu Time & Date Menu Example for Setting the TimeDiagnostics Menu Calibration Menu Password Menu Hidden Diagnostics Menus Troubleshooting and RepairColumn One Hidden Diagnostics Values IM-24-HP A2D Ref. Resistor = Factory Use Only Analog Output Calibration Troubleshooting the Flow Meter Symptom Output at no Flow Symptom No Output Symptom Meter Displays Temperature Fault Electronics Assembly Replacement All Meters Pressure Sensor Replacement Appendix a Product Specifications Appendix a Specifications Appendix a Specifications Cnpt IP66, Nema Page C D Appendix B GlossaryK L S T Page Calculations for Steam T & P Appendix C Fluid CalculationsDensity ViscosityDensity for real gases is calculated from the equation Calculations for Gas Real Gas and Other GasCalculations for Liquid Page PV AO Appendix D Hart Commands with DD MenuPV AO PV LRV URV Appendix D Hart Commands without DD MenuApplicable Flow Meter Models Appendix E Modbus CommunicationModbus Order Register Definitions Appendix E Modbus Commands Following registers contain the display units strings Control Register Definitions Examples An attempt to read registers that don’t exist 8C 3A CRC not the correct CRC EJS-02-06-07 Appendix E Modbus Commands