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Flexim FLUXUS G801 Operating Instruction

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Operating instruction
FLUXUS G801
UMFLUXUS_G801V1-0EN

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  • Page 1 Operating instruction FLUXUS G801 UMFLUXUS_G801V1-0EN...
  • Page 2 FLUXUS is a registered trademark of FLEXIM GmbH. FLEXIM GmbH Boxberger Straße 4 12681 Berlin Germany Tel.: +49 (30) 936 67 660 Fax: +49 (30) 936 67 680 E-mail: info@flexim.com www.flexim.com Operating instruction for FLUXUS G801 UMFLUXUS_G801V1-0EN, 2020-06-26 Article number: 21644 Copyright (©) FLEXIM GmbH 2020...

  • Page 3: Table Of Contents

    FLUXUS G801 Table of contents Table of contents Introduction ................7 Safety instructions .
  • Page 4 Table of contents FLUXUS G801 Measurement ................82 Parameter input .
  • Page 5 FLUXUS G801 Table of contents Advanced functions ..............129 16.1...
  • Page 6 Table of contents FLUXUS G801 2020-06-26, UMFLUXUS_G801V1-0EN...

  • Page 7: Introduction

    Copyright The contents of this operating instruction are subject to changes without prior notice. All rights reserved. No part of this operating instruction may be reproduced in any form without FLEXIM's written permission. UMFLUXUS_G801V1-0EN, 2020-06-26...

  • Page 8: Safety Instructions

    The measuring equipment has to be checked for proper condition and operational safety before each use. If troubles or damages have occurred during installation or operation of the measuring equipment, please inform FLEXIM. It is not allowed to make unauthorized modifications or alterations to the measuring equipment.

  • Page 9: Not Intended Use

    • With the exceptions stated in chapter 11, the measuring equipment is maintenance-free. Any components and spare parts may only be replaced by FLEXIM. The operator shall carry out periodic checks for changes or damages that can present a danger. For further information, contact FLEXIM.

  • Page 10: Safety Instructions For Transport

    → Wear the required personal protective equipment. → Observe the applicable rules. • If you detect a transport damage when unpacking the delivery, please contact the supplier or FLEXIM immediately. • The transmitter is a sensitive electronic measuring instrument. Avoid shocks or impacts.

  • Page 11: General Principles

    3 General principles FLUXUS G801 3.1 Measurement principle General principles In the ultrasonic flow measurement, the flow velocity of the fluid in a pipe is determined. Further physical quantities are derived from the flow velocity and from additional physical quantities, if necessary.
  • Page 12 3 General principles 3.1 Measurement principle FLUXUS G801 · · Standard volumetric flow rate Volumetric flow rate of a gas under specified standards conditions. During the measurement of a gas, the temperature and the pressure have a strong influence on the measured operating volumetric flow rate. The measured operating volumetric ·...
  • Page 13 3 General principles FLUXUS G801 3.1 Measurement principle Fig. 3.1: Sound path of the signal in the flow direction reduction of the sound path α α α β β γ sound path γ without flow sound path flow direction of the fluid with flow c –...

  • Page 14: Measurement Arrangements

    3 General principles 3.2 Measurement arrangements FLUXUS G801 Measurement arrangements 3.2.1 Terms diagonal arrangement reflection arrangement The transducers are mounted on opposite sides of the pipe. The transducers are mounted on the same side of the pipe. Sound path The distance covered by the ultrasonic signal after crossing the pipe once. The number of the sound paths is: •...
  • Page 15 3 General principles FLUXUS G801 3.2 Measurement arrangements Sound beam plane Plane containing 1 or several sound paths or beams Fig. 3.6: 2 beams in 1 plane Fig. 3.7: 2 sound paths in 1 plane 3.2.2 Examples diagonal arrangement with 1 beam...

  • Page 16: Acoustic Penetration

    3 General principles 3.3 Acoustic penetration FLUXUS G801 Acoustic penetration The pipe has to be acoustically penetrable at the measuring point. The acoustic penetration is given when pipe and fluid do not attenuate the sound signal so strongly that it is completely absorbed before reaching the second transducer.
  • Page 17 3 General principles FLUXUS G801 3.4 Undisturbed flow profile Tab. 3.1: Recommended distance from disturbances D – nominal pipe diameter at the measuring point l – recommended distance between disturbance and transducer position disturbance: 2 × 90° elbow on different planes inlet: l ≥...

  • Page 18: Influence Of Noise

    3 General principles 3.5 Influence of noise FLUXUS G801 Influence of noise Ultrasonic waves do not only propagate in the fluid but also in the pipe wall. They are reflected at flanges. Fig. 3.10: Propagation of ultrasonic waves 1 – ultrasonic waves in the fluid (measuring signal) 2 –...

  • Page 19: Selection Of The Measuring Point Taking Into Account The Flow Profile And The Influence Of Noise

    3 General principles FLUXUS G801 3.6 Selection of the measuring point taking into account the flow profile and the influence of noise Selection of the measuring point taking into account the flow profile and the influence of noise • Select an area on the pipe where the flow profile is fully developed.
  • Page 20 3 General principles 3.6 Selection of the measuring point taking into account the flow profile and the influence of noise FLUXUS G801 Example fluid: natural gas, = 400 m/s γ pipe material: stainless steel, = 3000 m/s β length of pipe segment 1: 20 D...

  • Page 21: Product Description

    4 Product description FLUXUS G801 4.1 Measuring system Product description Measuring system The measurement system consists of the transmitter, the ultrasonic transducers and the pipe on which the measurement is carried out. Fig. 4.1: Example of a measurement arrangement 1 – transducer 2 –...

  • Page 22: Navigation

    4 Product description 4.3 Navigation FLUXUS G801 Tab. 4.1: Description of the program branches program branch description Parameter Before starting a measurement, the transducer, pipe and fluid parameters have to be entered in the program branch Parameter. Measuring Having activated the measuring channels and entered the transducer distance, the measurement is started in the program branch Measuring.

  • Page 23: Keyboard

    4 Product description FLUXUS G801 4.4 Keyboard Keyboard The keyboard consists of 5 keys: ENTER, BRK, CLR Tab. 4.2: General functions ENTER confirmation of selection or input BRK + CLR + ENTER Reset: press these 3 keys simultaneously to correct a malfunction. The reset has the same effect as a restart of the transmitter.

  • Page 24: Transport And Storage

    The measuring equipment must be packaged properly for transport. For weight indications, see technical specification. • Use, if possible, the original packaging by FLEXIM or an equivalent cardboard box. • Position the transmitter, transducers and accessories in the middle of the cardboard box.

  • Page 25: Mounting

    6 Mounting FLUXUS G801 Mounting Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 26: Transmitter

    6 Mounting 6.1 Transmitter FLUXUS G801 Transmitter 6.1.1 Opening and closing the housing Notice! Do not use objects which may damage the housing gasket to open the housing. The transmitter has a countersunk screw which has to be unscrewed before the housing can be opened. Use 2 strap wrenches (not included in the delivery) to open and close the housing.
  • Page 27 6 Mounting FLUXUS G801 6.1 Transmitter 6.1.2 Installation of the transmitter 6.1.2.1 Wall mounting • Fix the instrument mounting plate (2) to the wall using the 4 screws. • Fix the transmitter to the instrument mounting plate (2) using the 2 screws (3).

  • Page 28: Transducers

    6 Mounting 6.2 Transducers FLUXUS G801 Transducers Mounting Caution! Warning of severe injuries from hot or cold components Touching hot or cold components can lead to severe injuries (e.g., thermal damage). → Any mounting, installation or connection work has to be concluded.
  • Page 29 6 Mounting FLUXUS G801 6.2 Transducers 6.2.1.2 Pipe preparation Caution! Contact with grinding dust This may result in injuries (e.g., breathing difficulties, skin reactions, eye irritations). → Wear the required personal protective equipment. → Observe the applicable rules. Important! The pipe has to be sufficiently stable to withstand the pressure exerted by the transducers and the tension straps.
  • Page 30 6 Mounting 6.2 Transducers FLUXUS G801 Diagonal arrangement with 2 beams Reflection arrangement with 2 beams and 2 planes X arrangement • same characteristics as reflection arrangement with 1 beam • additional characteristic: influences of the flow profile are compensated because the measurement...
  • Page 31 6 Mounting FLUXUS G801 6.2 Transducers Bidirectional measurement Measurement in reflection arrangement with 2 beams and 2 planes flow direction flow direction • The sound beam plane is selected • The 2 sound beam planes are selected according to the nearest elbow at an angle of 45°...
  • Page 32 6 Mounting 6.2 Transducers FLUXUS G801 6.2.2.2 Pipe damping mats Pipe damping mats can be mounted lengthwise or crosswise on the pipe. They are mounted on the entire pipe circumference. Pipe damping mats can be mounted to reduce the propagation of acoustic noise in the pipe wall if it is not possible to keep the recommended distances to the reflection points.
  • Page 33 6 Mounting FLUXUS G801 6.2 Transducers Fig. 6.6: Mounting of the damping mats • Depending on the transducer type, it can be necessary to mount additional layers of damping mats (see technical specification, section "Damping mats"). Repeat the steps for mounting the damping mats.
  • Page 34 6 Mounting 6.2 Transducers FLUXUS G801 Outer pipe diameter < 900 mm For the calculation of the mounting length of the transducer and pipe damping mats, see the following table. Tab. 6.1: Mounting length of the transducer and pipe damping mats...
  • Page 35 6 Mounting FLUXUS G801 6.2 Transducers Example measurement in reflection arrangement 2 transducer mounting fixtures Variofix L transducer with frequency M width of damping mat: 50 mm outer pipe diameter: 100 mm length of Variofix L: 310 mm number of reflection points: 1 calculation of the mounting length (see Tab.
  • Page 36 6 Mounting 6.2 Transducers FLUXUS G801 Outer pipe diameter > 900 mm For the calculation of the mounting length of the transducer and pipe damping mats, see the following table. Tab. 6.2: Mounting length of the transducer and pipe damping mats...
  • Page 37 6 Mounting FLUXUS G801 6.2 Transducers Example measurement in diagonal arrangement 2 transducer mounting fixtures Variofix C transducer with frequency G width of damping mat: 225 mm outer pipe diameter: 1200 mm length of Variofix C: 560 mm number of reflection points: 2 calculation of the mounting length (see Tab.
  • Page 38 6 Mounting 6.2 Transducers FLUXUS G801 6.2.3 Installation of the transducers 6.2.3.1 Orientation of the transducers and determination of the transducer distance Observe the orientation of the transducers. If the transducers have been mounted properly, the engravings on them form an arrow.
  • Page 39 6 Mounting FLUXUS G801 6.2 Transducers 6.2.3.3 Mounting the transducers of type ****LI** If the nameplate of the transducers ****LI** is removed from the transducer cable during installation, it has afterwards to be remounted and fixed to the transducer cable using the provided cable tie. The heat shrink tubing must not be reused.
  • Page 40 6 Mounting 6.2 Transducers FLUXUS G801 6.2.3.4 Mounting with Variofix L (PermaRail) Scope of delivery 2 × Variofix L 1 × transducer pair 4 × quick release clasp with tension strap 4 × band clamp clasp with tension strap 4 × ratchet clasp...
  • Page 41 6 Mounting FLUXUS G801 6.2 Transducers Mounting When measuring in diagonal arrangement, the transducer mounting fixtures are mounted on opposite sides of the pipe. When measuring in reflection arrangement, the transducer mounting fixtures are mounted on the same side of the pipe.
  • Page 42 6 Mounting 6.2 Transducers FLUXUS G801 Step 1: Disassembly of the transducer mounting fixture Variofix L • Disassemble the transducer mounting fixture Variofix L. Fig. 6.14: Disassembly of the transducer mounting fixture Variofix L 1 – cover 2 – screw 3 –...
  • Page 43 6 Mounting FLUXUS G801 6.2 Transducers Ratchet clasp • Cut the tension strap to length (pipe circumference + at least 120 mm). Caution! The edge of the tension strap is very sharp. Risk of injury! → Debur sharp edges. → Wear the required personal protective equipment.
  • Page 44 6 Mounting 6.2 Transducers FLUXUS G801 Quick release clasp • Insert the tension strap into its clamp and the metal spring (see Fig. 6.19 and Fig. 6.20). • Position the clasp, the tension strap clamp and the metal spring on the pipe (see Fig. 6.18): –...
  • Page 45 6 Mounting FLUXUS G801 6.2 Transducers Notice! In order to release the screw and the tension strap, press the lever down (see Fig. 6.23). Fig. 6.22: Tension strap with metal spring and clamp 1 – metal spring 2 – tension strap clamp Fig.
  • Page 46 6 Mounting 6.2 Transducers FLUXUS G801 Fig. 6.25: Rail, fixed on one side to the pipe 1 – tension strap clamp 2 – tension strap clamp 3 – nut • Select the installation instruction of the supplied clasp: Band clamp clasp •...
  • Page 47 6 Mounting FLUXUS G801 6.2 Transducers Fig. 6.27: Tension strap with band clamp clasp Fig. 6.28: Tension strap with quick release clasp and metal spring 1 – clasp screw 1 – clasp screw 2 – metal spring Ratchet clasp • Insert the tension strap into its clamp (2) and the metal spring (see Fig. 6.26 and Fig. 6.29). The metal spring does not have to be mounted on: –...
  • Page 48 6 Mounting 6.2 Transducers FLUXUS G801 Fig. 6.30: Ratchet clasp with tension strap 1 – sense of rotation 2 – edge 3 – lever 4 – clasp screw with slot • Repeat the steps to fix the second rail (see Fig. 6.31).
  • Page 49 6 Mounting FLUXUS G801 6.2 Transducers Fig. 6.33: Adjustment of the transducer distance 1 – cover 2 – strain relief clamp 3 – equipotential bonding terminal a – transducer distance Notice! Make sure that the coupling foil remains on the contact surface of the transducers. For information concerning the coupling foil, see the safety data sheet.
  • Page 50 6 Mounting 6.2 Transducers FLUXUS G801 6.2.3.5 Mounting with Variofix C Scope of delivery 1 × Variofix C 1 × transducer pair 1 × tension strap coil 2 × ratchet clasp Mounting When measuring in reflection arrangement, 1 transducer mounting fixture is mounted laterally on the pipe.
  • Page 51 6 Mounting FLUXUS G801 6.2 Transducers Step 1: Disassembly of the transducer mounting fixture Variofix C • Disassemble the transducer mounting fixture Variofix C. In order to remove the cover from the rail, bend the outer sides of the cover outwards.
  • Page 52 6 Mounting 6.2 Transducers FLUXUS G801 • Insert approx. 100 mm of the tension strap into one of the slots of the tension strap clamp and bend it (see Fig. 6.39). • If necessary, insert the long end of the tension strap into the metal spring (see Fig. 6.40). The metal spring does not have to be mounted on: –...
  • Page 53 6 Mounting FLUXUS G801 6.2 Transducers Fig. 6.42: Rail on the pipe 1 – screws Mounting the rail with ratchet clasp • Cut the tension strap to length (pipe circumference + at least 120 mm). Caution! The edge of the tension strap is very sharp.
  • Page 54 6 Mounting 6.2 Transducers FLUXUS G801 • Position the ratchet clasp, tension strap clamp and metal spring (if necessary) on the pipe: – on a horizontal pipe, mount the tension strap clamp laterally to the pipe, if possible – mount the metal spring (if necessary) opposite to the tension strap clamp •...
  • Page 55 6 Mounting FLUXUS G801 6.2 Transducers Step 3: Installation of the transducers in the transducer mounting fixture Variofix C • Stick coupling foil (or apply some coupling compound for a short-term installation) on the contact surface of the transducers. The coupling foil can be fixed to the contact surface with a small amount of coupling compound.
  • Page 56 6 Mounting 6.2 Transducers FLUXUS G801 Fig. 6.50: Variofix C with transducers on the pipe 1 – screw 2 – cover Remove the cover from the mounted transducer mounting fixture Variofix C as follows: • Use a lever tool to remove the cover.

  • Page 57: Connection

    7 Connection FLUXUS G801 Connection Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 58: Transducers

    7 Connection 7.1 Transducers FLUXUS G801 The transmitter has 1 housing. The terminals for the connection of transducers, outputs and power supply are on the rear side of the housing. Fig. 7.1: Connections of the transmitter 1 – transducers (channel A) 2 –...
  • Page 59 7 Connection FLUXUS G801 7.1 Transducers Fig. 7.3: Connection of the transducers to the transmitter FLUXUS *801C24, *801**-A10****-FF intrinsically safe area not intrinsically safe area 1 – partition (FLUXUS *801C24) 2 – transducers (measuring channels A and B) 7.1.1 Connection of the transducer cable to the transmitter...
  • Page 60 7 Connection 7.1 Transducers FLUXUS G801 Fig. 7.4: Connection of the transducer cable with plastic jacket and stripped ends to the transmitter FLUXUS *801**-A10****-AA, *801**-A10****-AP 10 mm 20 mm cable gland 70 mm FLUXUS *801C24, *801**-A10****-FF 10 mm 20 mm...
  • Page 61 7 Connection FLUXUS G801 7.1 Transducers 7.1.1.2 Transducer cable with stainless steel conduit and stripped ends • Remove the blind plug for the connection of the transducer cable. • Insert the transducer cable into the housing. • Fix the transducer cable by tightening the cable gland.
  • Page 62 7 Connection 7.1 Transducers FLUXUS G801 7.1.2 Connection of the extension cable to the transmitter • The extension cable is connected to the transmitter via the transducer connection. • Remove the blind plug for the connection of the transducer cable.
  • Page 63 7 Connection FLUXUS G801 7.1 Transducers Fig. 7.6: Connection of the extension cable to the transmitter FLUXUS *801C24, *801**-A10****-FF cable gland 10 mm 20 mm 70 mm 1 – cap nut 2 – compression part 3 – basic part 4 – external shield, brushed back 5 –...
  • Page 64 7 Connection 7.1 Transducers FLUXUS G801 Fig. 7.7: Connection of the transducer cable with plastic jacket and stripped ends cable gland 1 – cap nut 2 – compression part 3 – basic part 4 – external shield, brushed back 7.1.3.2 Transducer cable with stainless steel conduit and stripped ends •...
  • Page 65 7 Connection FLUXUS G801 7.1 Transducers Fig. 7.8: Connection of the transducer cable with stainless steel conduit and stripped ends 1 – cable gland 7.1.4 Connection of the extension cable to the junction box 7.1.4.1 Connection without potential separation (standard) The connection of the extension cable to the junction box without potential separation ensures that the transducer, junction box and transmitter are on the same potential.
  • Page 66 7 Connection 7.1 Transducers FLUXUS G801 Tab. 7.6: Terminal assignment terminal connection (extension cable) white or marked cable (core) white or marked cable (internal shield) brown cable (internal shield) brown cable (core) cable gland external shield Fig. 7.9: Connection of the extension and transducer cable to the junction box cable gland 1 –...
  • Page 67 7 Connection FLUXUS G801 7.1 Transducers 7.1.4.2 Connection with potential separation If earthing on the same potential cannot be ensured, e.g., in measurement arrangements with long extension cables, the extension cable and the junction box have to be electrically insulated from each other. The junction box and the transducers have to be on the same potential.
  • Page 68 7 Connection 7.1 Transducers FLUXUS G801 Fig. 7.10: Connection of the extension and transducer cable to the junction box cable gland 1 – extension cable 2 – external shield 3 – shield terminal 4 – cap nut 5 – compression part 6 –...
  • Page 69 7 Connection FLUXUS G801 7.1 Transducers 7.1.5 Transducer module (SENSPROM) The transducer module contains important transducer data for the operation of the transmitter with transducers. If transducers are replaced or added, the transducer module has to be replaced or added as well.

  • Page 70: Power Supply

    7 Connection 7.2 Power supply FLUXUS G801 Power supply Connection The installation of the power supply is carried out by the operator. The operator has to provide an overcurrent protector (fuse or similar device) disconnecting all energizing wires in case of an inadmissible high current consumption. The impedance of the protective earth has to be low ohmic in order not to allow touch voltage pass the permissible limit.

  • Page 71: Outputs

    7 Connection FLUXUS G801 7.3 Outputs 7.2.1 Cable connection • Remove the blind plug to connect the cable to the transmitter. • Prepare the cable with an M20 cable gland. The used cable has to have a wire cross-section of 0.25…2.5 mm².
  • Page 72 7 Connection 7.3 Outputs FLUXUS G801 Fig. 7.14: Connection of the outputs to the transmitter FLUXUS *801**-A10****-FF Tab. 7.9: Output circuits output transmitter external circuit remark internal circuit connection current output active *801**-A10****-*A < 700 Ω *801**-A10****-*P I1/I2: 2/4 (+) current during transmitter fault: ≈...
  • Page 73 7 Connection FLUXUS G801 7.3 Outputs Tab. 7.9: Output circuits output transmitter external circuit remark internal circuit connection frequency output = 5…30 V F1: 2 (+) (open collector) [kΩ] = U [mA] = 2…100 mA *801**-A10****-FF = 0.8 mA F1: 1 (-) frequency output = 8.2 V...
  • Page 74 7 Connection 7.3 Outputs FLUXUS G801 7.3.1 Intrinsically safe current output Ex ib The current output may be fed with max. 28.2 V DC/0.76 W. Fig. 7.15: Connection of the outputs to the transmitter FLUXUS *801C24 intrinsically safe area not intrinsically safe area 1 –...

  • Page 75: Serial Interfaces

    7 Connection FLUXUS G801 7.4 Serial interfaces Serial interfaces Connection 7.4.1 Service interface RS232 The service interface RS232 can only be connected outside of an explosive atmosphere because the housing has to be opened. • Insert the RS232 adapter into the socket in such way that the colored lead of the cable is on the marked side of the socket.

  • Page 76: Start-Up

    8 Start-up FLUXUS G801 Start-up Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 77: Start-Up Settings

    8 Start-up FLUXUS G801 8.1 Start-up settings Notice! The transmitter and transducers have to be checked to ensure proper condition and operational safety before each use. The transmitter housing must always be closed during operation. Observe that maintenance work must be concluded.

  • Page 78: Switching On

    8 Start-up 8.2 Switching on FLUXUS G801 Switching on As soon as the transmitter is connected to the power supply, it is displayed which transducer has been detected at which channel. Afterwards, the serial number of the transmitter is displayed for a short time.

  • Page 79: Hotcodes

    8 Start-up FLUXUS G801 8.4 HotCodes HotCodes A HotCode is a digit sequence that activates certain functions and settings. Special Funct.\SYSTEM settings\Miscellaneous • Select the menu item Miscellaneous. • Press ENTER. Input a HOTCODE • Select yes to enter a HotCode.

  • Page 80: Initialization

    8 Start-up 8.6 Initialization FLUXUS G801 Initialization During an initialization (INIT) of the transmitter, the settings in the program branches Parameter and Output Options and some of the settings in the program branch Special Funct. are reset to the default settings of the manufacturer.

  • Page 81: Instrument Information

    8 Start-up FLUXUS G801 8.8 Instrument information Instrument information Special Funct.\Instrum. Inform. • Select the menu item Instrum. Inform. to get information about the transmitter. • Press ENTER. x80x -XXXXXXXX The type and the serial number of the transmitter are displayed in the upper line.

  • Page 82: Measurement

    9 Measurement FLUXUS G801 Measurement Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 83: Parameter Input

    9 Measurement FLUXUS G801 9.1 Parameter input Parameter input Notice! The parameters will not be stored before the program branch Parameter has been edited in its entirety. The pipe and fluid parameters are entered for the selected measuring point. The parameter ranges are limited by the...
  • Page 84 9 Measurement 9.1 Parameter input FLUXUS G801 Pipe wall thickness Parameter\Wall Thickness • Enter the pipe wall thickness. • Press ENTER. Pipe material Parameter\Pipe Material The pipe material has to be selected to be able to determine the corresponding sound speed.
  • Page 85 9 Measurement FLUXUS G801 9.1 Parameter input Lining thickness Parameter\Liner Thickness • Enter the thickness of the lining. • Press ENTER. This display will only be indicated if yes is selected in the menu item Lining. Pipe roughness Parameter\Roughness The flow profile of the fluid is influenced by the roughness of the inner pipe wall.
  • Page 86 9 Measurement 9.1 Parameter input FLUXUS G801 Sound speed range of the fluid Parameter\Medium\Other Medium\c-Medium range • Select auto if the area around the average sound speed is to be calculated by the transmitter. • Select user if the range around the average sound speed has to be entered.
  • Page 87 If no or special transducers are connected, the transducer parameters have to be entered. Parameter\Transducer Type • Select Standard to use the standard transducer parameters stored in the transmitter. • Select Special Version to enter the transducer parameters. The transducer parameters have to be provided by FLEXIM. • Press ENTER. Notice! If a standard transducer is selected, no transducer-specific calibration values are considered.

  • Page 88: Measurement Settings

    9 Measurement 9.2 Measurement settings FLUXUS G801 Measurement settings 9.2.1 Selection of the physical quantity and the unit of measurement The following physical quantities can be measured: • sound speed Output Options • flow velocity: is calculated on the basis of the measured...
  • Page 89 9 Measurement FLUXUS G801 9.2 Measurement settings The following list items are available: list item display of the operating volumetric flow rate display of the standard volumetric flow rate (none) without prefix, e.g., m³/h without prefix, e.g., m³/h ’ ’/’N’...
  • Page 90 9 Measurement 9.2 Measurement settings FLUXUS G801 Selection of an output Special Funct.\SYSTEM settings\Proc. outputs\Install Output • Select the output to be installed. • Press ENTER. The scroll list contains all available outputs of the transmitter: – Current Ix (--) –...
  • Page 91 9 Measurement FLUXUS G801 9.2 Measurement settings Tab. 9.1: Configuration of the outputs source item list item output Measuring value actual measure physical quantity selected in the program branch Output Options Flow flow, independent of the physical quantity selected in the program branch...
  • Page 92 9 Measurement 9.2 Measurement settings FLUXUS G801 9.2.3.1 Output of the measured value Output range When configuring an analog output, the output range has Source item to be defined. Output range Special Funct.\SYSTEM settings\ Proc. outputs\...\I1 Output range Error-value active loop •...
  • Page 93 9 Measurement FLUXUS G801 9.2 Measurement settings Tab. 9.3: Examples for the error output (output range: 4...20 mA) list item output signal Minimum (4.0 mA) I [mA] Hold last value I [mA] Maximum (20.0 mA) I [mA] Other value I [mA] error value = 3.5 mA...
  • Page 94 9 Measurement 9.2 Measurement settings FLUXUS G801 Output function test The function of the output can now be tested. • Connect a measuring instrument to the terminals of the installed output. Special Funct.\SYSTEM settings\Proc. outputs\...\I1 Output Test • Enter a test value. It has to be within the output range.
  • Page 95 9 Measurement FLUXUS G801 9.2 Measurement settings Output Options\...\Zero-Scale Val. • Enter the lowest expected measured value. The unit of measurement of the source item will be displayed. Zero-Scale Val. is the value assigned to the value Output MIN of the output range.

  • Page 96: Start Of The Measurement

    9 Measurement 9.3 Start of the measurement FLUXUS G801 9.2.5 Input of the error delay The error delay is the time after which an error value will be sent to an output if no valid measured values are available. Output Options\...\I1:Error-val. delay This display will only be indicated if edit is selected in the menu item Error-val.
  • Page 97 9 Measurement FLUXUS G801 9.3 Start of the measurement Input of the sound path number Measuring\Channel\...\Sound Path A value for the number of sound paths corresponding to the connected transducers and the entered parameters is recommended. • Change the value, if necessary.
  • Page 98 9 Measurement 9.3 Start of the measurement FLUXUS G801 Fine adjustment of the transducer distance • If the displayed transducer distance is adjusted, press ENTER. The measuring run for the positioning of the transducers is started. The amplitude of the received signal is displayed by bar graph S.

  • Page 99: Display Of Measured Values

    9 Measurement FLUXUS G801 9.4 Display of measured values Tab. 9.4: Standard values for signal optimization transducer frequency max. difference between the recommended and the entered transducer distance [mm] (3rd character of the technical type) shear wave transducer Lamb wave transducer -60…+120...
  • Page 100 9 Measurement 9.4 Display of measured values FLUXUS G801 9.4.2 Toggling between the channels If more than one measuring channel is available/activated, the transmitter works with an integrated multiplexer providing simultaneous measurement on the different measuring channels. The flow rate is measured on one measuring channel for approx. 1 s, then the multiplexer switches to the next activated channel.
  • Page 101 9 Measurement FLUXUS G801 9.4 Display of measured values The measured values of the physical quantity selected in the program branch Output Options can be displayed in the lower line: display explanation 12.3 m/s flow velocity 1423 m/s sound speed...
  • Page 102 9 Measurement 9.4 Display of measured values FLUXUS G801 Tab. 9.5: Description of the status line value explanation flow profile information about the flow profile based on the Reynolds number fully turbulent flow profile fully laminar flow profile ↕ transition range between laminar and turbulent flow...

  • Page 103: Execution Of Special Functions

    9 Measurement FLUXUS G801 9.5 Execution of special functions Execution of special functions Commands that can be executed during a measurement are displayed in the upper line. A command begins with →. If programmed, a program code has to be entered first.

  • Page 104: Troubleshooting

    10 Troubleshooting FLUXUS G801 Troubleshooting Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 105: Problems With The Measurement

    The backlight of the display does not work, but all other functions are available. • The backlight is defective. This does not affect the other functions of the display. Send the transmitter to FLEXIM for repair. Date and time are wrong, the measured values are deleted when the transmitter is switched off.

  • Page 106: Measuring Point Selection

    10 Troubleshooting 10.2 Measuring point selection FLUXUS G801 10.2 Measuring point selection • Make sure that the recommended min. distance to any disturbance is observed. • Avoid measuring points with deposit formation in the pipe. • Avoid measuring points in the vicinity of deformations and defects on the pipe as well as welds.

  • Page 107: Problems With The Totalizers

    10 Troubleshooting FLUXUS G801 10.6 Problems with the totalizers 10.6 Problems with the totalizers The values of the totalizers are too high. • See Special Funct.\SYSTEM settings\Measuring\Quantity recall. If this menu item is activated, the values of the totalizers will be stored. The totalizers will continue with these values when starting the next measurement.

  • Page 108: Maintenance And Cleaning

    11 Maintenance and cleaning FLUXUS G801 Maintenance and cleaning Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 109: Maintenance

    11 Maintenance and cleaning FLUXUS G801 11.1 Maintenance 11.1 Maintenance The transmitter and the transducers are practically maintenance-free. In order to ensure security, the following maintenance intervals are recommended: item maintenance step interval measure stainless steel housing visual inspection annually...

  • Page 110: Examination Of The O-Ring

    Use original spare parts only. Store the O-ring replacement in a hermetically sealed and dark place. Housing with increased safety Defective O-rings have to be replaced. Important! O-rings of increased safety housings may only be replaced by qualified FLEXIM personnel. Fig. 11.1: Transmitter FLUXUS *801 1 – Housing with increased safety 2 –...

  • Page 111: Examination Of The Thread On The Flameproof Enclosure Housing

    → In order to ensure ignition protection, the housing and the sight glass have always to comply with the regulations. Modifications on the housing must only be realized by FLEXIM. The housing and the sight glass must be regularly checked for damages. Cracked or scratched sight glasses or damaged housings have to be replaced by FLEXIM personnel immediately.

  • Page 112: Dismounting And Disposal

    12 Dismounting and disposal FLUXUS G801 Dismounting and disposal Danger! Risk of explosion when using the measuring equipment in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS).

  • Page 113: Dismounting

    Avoiding environmental damage by correct disposal of components Depending on the material, the corresponding parts have to be disposed of in residual or special waste or recycled. FLEXIM accepts the return of the components. For further information, contact FLEXIM. UMFLUXUS_G801V1-0EN, 2020-06-26...

  • Page 114: Outputs

    13 Outputs 13.1 Installation of a binary output FLUXUS G801 Outputs In addition to the analog outputs, the transmitter can also be equipped with binary and frequency outputs. For the installation of an analog output see section 9.2.3. 13.1 Installation of a binary output If the transmitter is equipped with binary outputs, they have to be installed and activated before they can be used: •...
  • Page 115 13 Outputs FLUXUS G801 13.1 Installation of a binary output Assignment of a source item One source item has to be assigned to each selected output. Special Funct.\SYSTEM settings\Proc. outputs\...\Source item • Select the physical quantity (source item) to be transmitted to the binary output by the source channel.

  • Page 116: Configuration Of A Frequency Output As Pulse Output

    13 Outputs 13.2 Configuration of a frequency output as pulse output FLUXUS G801 13.2 Configuration of a frequency output as pulse output A frequency output sends a signal with a frequency that depends on the volumetric flow rate. The frequency output can be configured in such way that the source item can be totalized by using each period of the output signal as the increment.
  • Page 117 13 Outputs FLUXUS G801 13.2 Configuration of a frequency output as pulse output Activation of a frequency output Output Options\for Channel A • Select the channel for which the output is to be activated in the program branch Output Options.

  • Page 118: Activation Of A Binary Output As Pulse Output

    13 Outputs 13.3 Activation of a binary output as pulse output FLUXUS G801 13.3 Activation of a binary output as pulse output A pulse output is an integrating output which emits a pulse when the volume or the mass of the fluid which has passed the measuring point reaches a given value (Pulse Value).

  • Page 119: Data Logger

    14 Data logger FLUXUS G801 14.1 Activation/deactivation of the data logger Data logger The transmitter has a data logger which stores the following data during the measurement: • date • time • measuring point number • pipe parameters • fluid parameters •...

  • Page 120: Configuration Of The Data Logger

    14 Data logger 14.3 Configuration of the data logger FLUXUS G801 14.3 Configuration of the data logger Special Funct.\SYSTEM settings\Storing • Select the menu item Storing. • Press ENTER. Starting time It is possible to set a starting time if it is necessary to synchronize the storing of measured values for several transmitters.
  • Page 121 14 Data logger FLUXUS G801 14.3 Configuration of the data logger Notice! Storage mode = average The average of the physical quantity and other quantities assigned to the measuring channel will be calculated. If the storage rate < 5 s is selected, sample will be used.

  • Page 122: Measurement With Activated Data Logger

    14 Data logger 14.4 Measurement with activated data logger FLUXUS G801 14.4 Measurement with activated data logger Measuring\...\Meas.Point No. • Start the measurement. • Enter the number of the measuring point. • Press ENTER. If the menu item Output Options\Store Meas.Data is activated and the menu item Special Funct.\ SYSTEM settings\Ringbuffer is deactivated, a message will be displayed as soon as the data logger is full.

  • Page 123: Information Regarding The Data Logger

    14 Data logger FLUXUS G801 14.6 Information regarding the data logger 14.6 Information regarding the data logger Approx. 100 000 measurement data can be stored. Each measured value is stored with the corresponding totalizer and optionally further measurement and diagnostic data.

  • Page 124: Data Transmission

    15 Data transmission 15.1 FluxDiagReader/FluxDiag FLUXUS G801 Data transmission The data can be transmitted to the PC via the communication interface (process interface RS485 (optional) or service interface RS232) of the transmitter. Tab. 15.1: Data transmission overview program Data transmission...
  • Page 125 15 Data transmission FLUXUS G801 15.2 Terminal program 15.2.2 Offline transmission Notice! During the offline transmission only those data is transmitted that is stored in the transmitter. • Start the terminal program. • Enter the transmission parameters into the terminal program. The transmission parameters of the terminal program and the transmitter have to be identical.

  • Page 126: Transmission Parameters

    15 Data transmission 15.3 Transmission parameters FLUXUS G801 15.3 Transmission parameters • the transmitter sends CRLF-terminated ASCII • max. line length: 255 digits RS232 default: 9600 bits/s, 8 data bits, even parity, 2 stop bits, RTS/CTS protocol (hardware handshake) The transmission parameters of the service interface RS232 can be changed.

  • Page 127: Data Format

    15 Data transmission FLUXUS G801 15.4 Data format 15.4 Data format Special Funct.\SYSTEM settings\serial transmis.\SER:kill spaces • Select the menu item serial transmis. • Press ENTER until SER:kill spaces is displayed. • Select on if the space characters are not to be transmitted.
  • Page 128 15 Data transmission 15.5 Data structure FLUXUS G801 Example \DATA A: \*MEASURE; Q_POS; Q_NEG; B: \*MEASURE; Q_POS; Q_NEG; Depending on the storage interval, one data line is transmitted for each activated measuring channel. The line ??? will be transmitted if there are no measured values available for the storage interval.

  • Page 129: Advanced Functions

    16 Advanced functions FLUXUS G801 16.1 Totalizers Advanced functions 16.1 Totalizers There are 2 totalizers, one for the positive and the other for the negative flow direction. The unit of measurement used for totalizing corresponds to the volume or mass unit selected for the physical quantity.

  • Page 130: Upper Limit Of The Flow Velocity

    16 Advanced functions 16.2 Upper limit of the flow velocity FLUXUS G801 Totalizer overflow The overflow behavior of the totalizers can be set: Special Funct.\SYSTEM settings\Measuring\Quant. wrapping • Select the menu item Quant. wrapping. • Select on to work with overflow.

  • Page 131: Cut-Off Flow

    16 Advanced functions FLUXUS G801 16.3 Cut-off flow 16.3 Cut-off flow The cut-off flow is a lower limit for the flow velocity. All measured flow velocities that are lower than the limit and their derived quantities are set to zero.

  • Page 132: Profile Correction

    16 Advanced functions 16.4 Profile correction FLUXUS G801 16.4 Profile correction The following settings can be made for the calculation of the fluid mechanics calibration factor k • off: profile correction 1.0 • on: profile correction 2.0 at ideal inflow conditions (default) •...

  • Page 133: Fastfood Mode

    16 Advanced functions FLUXUS G801 16.6 FastFood mode During the measurement, the designation of the physical quantity is displayed in capital letters to indicate that the value is uncorrected. A:FLOW VELOCITY 2.60 • Press ENTER. A:PROFILE CORR. >no< If yes is selected, the uncorrected flow velocity will only be used if the flow velocity is selected as physical quantity in the program branch Output Options.

  • Page 134: Calculation Channels

    16 Advanced functions 16.7 Calculation channels FLUXUS G801 16.6.2 Storage rate of the FastFood mode Output Options\...\Storing\Storage Rate If the FastFood mode is enabled and when activating the data logger it is necessary to enter a storage rate in ms in the program branch Output Options.
  • Page 135 16 Advanced functions FLUXUS G801 16.7 Calculation channels 16.7.2 Parameterization of a calculation channel Parameter\for Channel Y • Select a calculation channel (Y or Z) in the program branch Parameter. • Press ENTER. Parameter\for Channel Y:\Calculation: Y= A - B The current calculation function is displayed.
  • Page 136 16 Advanced functions 16.7 Calculation channels FLUXUS G801 Make sure that the physical quantity selected for the calculation channel can be calculated from the physical quantities of the selected measuring channels. Tab. 16.1 physical quantity of the possible physical quantity of the first...

  • Page 137: Diagnosis With The Help Of The Snap Function

    16 Advanced functions FLUXUS G801 16.8 Diagnosis with the help of the snap function 16.7.4 Measurement with calculation channels Measuring\CHANN: A B Y Z • Select the program branch Measuring. • Press ENTER. • Activate the necessary channels. Calculation channels are activated or deactivated the same way as measuring channels.

  • Page 138: Modification Of The Limit For The Inner Pipe Diameter

    16 Advanced functions 16.9 Modification of the limit for the inner pipe diameter FLUXUS G801 Special Funct.\...\DSP-SignalSnap\AutoSnap • Activate or deactivate the auto-snap function. • Press ENTER. Special Funct.\...\DSP-SignalSnap\Snap ringbuffer • Activate or deactivate the snap ringbuffer. • Press ENTER.

  • Page 139: Transducer Temperature

    16 Advanced functions FLUXUS G801 16.10 Transducer temperature 16.10 Transducer temperature It is possible to output the transducer temperature. • Enter the HotCode 007043. Show T-transd.? >YES< • Select yes to display the transducer temperature during the measurement. • Press ENTER.
  • Page 140 16 Advanced functions 16.11 Activation of a binary output as alarm output FLUXUS G801 Tab. 16.2: Alarm properties alarm property setting description func The alarm will switch if the measured value exceeds the upper limit. (switching condition) The alarm will switch if the measured value falls below the lower limit.
  • Page 141 16 Advanced functions FLUXUS G801 16.11 Activation of a binary output as alarm output If the switching condition MIN is selected in the scroll list func: R1 Input\Function: MIN\Low Limit • Enter the lower limit. • Press ENTER. The alarm will switch if the measured value falls below the limit.

  • Page 142: Behavior Of The Alarm Outputs

    16 Advanced functions 16.12 Behavior of the alarm outputs FLUXUS G801 16.11.3 Defining the hysteresis A hysteresis can be defined for the alarm output R1. This prevents a constant triggering of the alarm when measured values fluctuate marginally around the limit.
  • Page 143 16 Advanced functions FLUXUS G801 16.12 Behavior of the alarm outputs 16.12.4 Alarm outputs during measurement An alarm output with switching condition MAX or MIN will be updated max. once per second to avoid humming (i.e. fluctuation of the measured values around the value of the switching condition).
  • Page 144 16 Advanced functions 16.12 Behavior of the alarm outputs FLUXUS G801 Tab. 16.4: Pictograms for the alarm state indication func mode current state (switching condition) (holding behavior) (switching function) NON-HOLD NO Cont. closed HOLD NC Cont. open +→- -→+ QUANT.

  • Page 145: Superuser Mode

    17 SuperUser mode FLUXUS G801 17.1 Activation/deactivation SuperUser mode The SuperUser mode allows an advanced diagnostic of signals and measured values as well as the definition of additional parameters adapted to the measuring point, in order to achieve better measured values or for experimental work. Special features of the SuperUser mode are: •...

  • Page 146: Transducer Parameters

    • Press ENTER. Parameter\...\Transducer Type\Special Version\Transd. Data 1 • If Special Version is selected, the transducer parameters have to be entered. The transducer parameters have to be provided by FLEXIM. • Press ENTER after each input. 17.3 Definition of the flow parameters In the SuperUser mode, it is possible to define some flow parameters (profile bounds, correction of the flow velocity) for the specific application or measuring point.
  • Page 147 17 SuperUser mode FLUXUS G801 17.3 Definition of the flow parameters Special Funct.\...\Calibrat. data\...\Calibration A request is displayed if an additional correction of the flow velocity is to be defined. • Select on to define the correction data, or off to work without correction of the flow velocity and return to the menu item SYSTEM settings.

  • Page 148: Limit Of The Signal Amplification

    17 SuperUser mode 17.4 Limit of the signal amplification FLUXUS G801 Example Slope: 1.1 Offset: -10.0 cm/s = -0.1 m/s If a flow velocity v = 5 m/s is measured, before the calculation of the derived quantities it will be corrected as follows: = 1.1 ·...

  • Page 149: Upper Limit Of The Sound Speed

    17 SuperUser mode FLUXUS G801 17.5 Upper limit of the sound speed 17.5 Upper limit of the sound speed When evaluating the plausibility of the signal, it is checked whether the sound speed is within a defined range. The upper limit of the fluid sound speed used for this purpose is the greater of the following values: •...

  • Page 150: Number Of Decimal Places Of The Totalizers

    17 SuperUser mode 17.7 Number of decimal places of the totalizers FLUXUS G801 17.7 Number of decimal places of the totalizers The totalizer values can be displayed with up to 11 places, e.g., 74890046.03. In the SuperUser mode, it is possible to define the number of decimal places.

  • Page 151: Display Of The Totalizer Sum

    17 SuperUser mode FLUXUS G801 17.9 Display of the totalizer sum 17.9 Display of the totalizer sum The sum of the totalizers for both flow directions can be displayed in the upper line during the measurement. Special Funct.\SYSTEM settings\Measuring\Miscellaneous\Show ΣQ •...

  • Page 152: Settings

    18 Settings 18.1 Dialogs and menus FLUXUS G801 Settings 18.1 Dialogs and menus Special Funct.\SYSTEM settings\Dialogs/Menus • Select the menu item Dialogs/Menus. • Press ENTER. Notice! The settings will be stored at the end of the dialog. If the menu item is quit by pressing BRK, the changes will not be stored.
  • Page 153 18 Settings FLUXUS G801 18.1 Dialogs and menus 18.1.2 Fluid pressure The dependence of the parameters of a fluid on the pressure can be taken into account. Special Funct.\...\Dialogs/Menus\Fluid pressure • Select on to request the fluid pressure in the program branch Parameter. Select off if 1 bar is to be used for all calculations.
  • Page 154 18 Settings 18.1 Dialogs and menus FLUXUS G801 18.1.6 Alarm state indication Special Funct.\...\Dialogs/Menus\SHOW RELAIS STAT • Select on to display the alarm state during the measurement. • Press ENTER. 18.1.7 Units of measurement It is possible to set the units of measurement for the length, temperature, pressure, density, kinematic viscosity and sound speed.

  • Page 155: Measurement Settings

    18 Settings FLUXUS G801 18.2 Measurement settings 18.2 Measurement settings Special Funct.\SYSTEM settings\Measuring • Select the menu item Measuring. • Press ENTER. Notice! The settings will be stored at the end of the dialog. If the menu item is quit by pressing BRK, the changes will not be stored.
  • Page 156 18 Settings 18.2 Measurement settings FLUXUS G801 Special Funct.\...\Measuring\Cut-off Flow A lower limit for the flow velocity can be entered. • Select sign to define a cut-off flow depending on the flow direction. One limit is set for the positive and another for the negative flow velocity.

  • Page 157: Setting Of The Standard Conditions For Gas Measurements

    18 Settings FLUXUS G801 18.3 Setting of the standard conditions for gas measurements 18.3 Setting of the standard conditions for gas measurements Special Funct.\SYSTEM settings\Gas-Measuring • Select the menu item Gas-Measuring. • Press ENTER. This display will only be indicated if the gas measurement has been activated in the menu item Special Funct.\ SYSTEM settings\Measuring.
  • Page 158 18 Settings 18.4 Libraries FLUXUS G801 Notice! If the material/fluid scroll list is quit by pressing BRK before storing, all changes will be lost. 18.4.1 Displaying a scroll list Special Funct.\...\Material list\user\Show list • Select the list item Show list.

  • Page 159: Contrast Settings

    18 Settings FLUXUS G801 18.5 Contrast settings 18.4.4 Removing a material/fluid from the scroll list Special Funct.\...\Material list\user\Remove Material • Select Remove Material or Remove Medium to remove a material/fluid from the scroll list. • Press ENTER. All materials/fluids of the current scroll list will be displayed in the lower line.

  • Page 160: Program Code

    18 Settings 18.6 Program code FLUXUS G801 18.6 Program code A running measurement can be protected against inadvertent intervention by a program code. If a program code has been defined, it will be requested in case of any intervention in the measurement (by a command or pressing BRK).
  • Page 161 18 Settings FLUXUS G801 18.6 Program code If a command is selected: In order to execute a command, it is sufficient to enter the first 3 digits of the program code (= Access Code). INP. ACCESS CODE CODE: 000000 • Enter the first 3 digits of the program code with •...
  • Page 162 18 Settings 18.6 Program code FLUXUS G801 2020-06-26, UMFLUXUS_G801V1-0EN...

  • Page 163: Annex

    Annex FLUXUS G801 A Menu structure Annex Menu structure Program branches Parameter Measuring Output Options Special Funct. Selection of the Selection of the Selection of the System settings measuring channel measuring channel measuring channel Pipe parameters Measuring point number Physical quantity →...
  • Page 164 Annex A Menu structure FLUXUS G801 Parameter input Main menu Parameter for Channel x Outer Diameter Wall Thickness Pipe Material Lining Lining Liner Thickness Roughness Disturb.distance Medium Medium Temperat. Fluid pressure Transducer Type Special Version Standard → Transd. Data 1 →...
  • Page 165 Annex FLUXUS G801 A Menu structure Measurement settings Main menu Output Options for Channel x Physic. Quant. Unit of measurement Damping UMFLUXUS_G801V1-0EN, 2020-06-26...
  • Page 166 Annex A Menu structure FLUXUS G801 Data logger Main menu Main menu Special Funct. Output Options SYSTEM settings for Channel x ENTER until Storing Store Meas.Data Start logger Ringbuffer Storage Rate Storage mode sample average Quantity Storage Main menu both Special Funct.
  • Page 167 Annex FLUXUS G801 A Menu structure Start measurement Main menu Measuring Channel Meas.Point No. PROFILE CORR. Sound Path Transd. Distance Signal test Transd. Distance Measurement display Stop of the measurement Legend this will only be displayed if uncorr. is selected in the menu item Special Funct.\...
  • Page 168 Annex A Menu structure FLUXUS G801 Configuration of outputs Main menu Main menu Special Funct. Output Options ENTER until SYSTEM settings Current Loop Proc. outputs Install Output → Current Zero-Scale Val. → Frequency → Binary Full-Scale Val. enable Test output Source chan.
  • Page 169 Annex FLUXUS G801 A Menu structure SuperUser mode Main menu Special Funct. SYSTEM settings Calibration Measuring for Channel x Miscellaneous ENTER until factory user Gain threshold Laminar flow Bad soundspeed Turbulent flow → thresh. → offset Calibration ENTER until Do not total. if...
  • Page 170 Annex A Menu structure FLUXUS G801 Alarm output Main menu Main menu Special Funct. Output Options SYSTEM settings for Channel x Proc. outputs ENTER until Install Output Alarm Output → Binary enable func mode Source chan. → MAX → QUANT.

  • Page 171: B Units Of Measurement

    Annex FLUXUS G801 B Units of measurement Units of measurement Length/roughness unit of measurement description millimeter inch Temperature unit of measurement description °C degree Celsius °F degree Fahrenheit Pressure unit of measurement description bar(a) bar (absolute) bar(g) bar (relative) psi(a)
  • Page 172 Annex B Units of measurement FLUXUS G801 Standard/operating volumetric flow rate unit of measurement description standard/operating volumetric flow rate (totalized) m³/d cubic meter per day m³ m³/h cubic meter per hour m³ m³/min cubic meter per minute m³ m³/s cubic meter per second m³...
  • Page 173 Annex FLUXUS G801 B Units of measurement Mass flow rate unit of measurement description mass (totalized) ton per hour ton per day kg/h kilogram per hour kg/min kilogram per minute kg/s kilogram per second gram per second lb/d pound per day...

  • Page 174: C Reference

    The following tables provide assistance for the user. The accuracy of the data depends on the composition, temperature and processing of the material. FLEXIM does not assume liability for any inaccuracies. Sound speed of selected pipe and lining materials at 20 °C The values of some of these materials are stored in the internal database of the transmitter.
  • Page 175 Annex FLUXUS G801 C Reference Typical roughness values of pipes The values are based on experience and measurements. material absolute roughness [mm] drawn pipes of non-ferrous metal, glass, plastics and light metal 0…0.0015 drawn steel pipes 0.01…0.05 fine-planed, polished surface max.
  • Page 176 Annex C Reference FLUXUS G801 fluid (display) explanation sound speed kinematic viscosity density [m/s] [mm²/s] [g/cm³] ISO VG 100 ISO VG 100 1487 314.2 0.8690 ISO VG 150 ISO VG 150 1487 539.0 0.8690 ISO VG 22 ISO VG 22 1487 50.2...
  • Page 177 Annex FLUXUS G801 C Reference Properties of methane fluid temperature fluid pressure density sound speed kinematic compressibility [°C] [bar] [kg/m³] [m/s] viscosity coefficient [mm²/s] (AGA8-DC92) 31.177 415.43 0.358693909 0.9062727 29.683 425.18 0.38628171 0.9182674 28.354 434.39 0.414403611 0.928556 27.159 443.13 0.44309437 0.9374469...

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