Flexim FLUXUS G809 Operating Instruction
  1. Manuals
  2. Brands
  3. Flexim Manuals
  4. Measuring Instruments
  5. FLUXUS G809
  6. Operating instruction

Flexim FLUXUS G809 Operating Instruction

Hide thumbs
Table of Contents

Advertisement

Quick Links

Operating instruction
FLUXUS G809
UMFLUXUS_G809V2-2EN

Advertisement

Table of Contents
loading

Related Manuals for Flexim FLUXUS G809

Summary of Contents for Flexim FLUXUS G809

  • Page 1 Operating instruction FLUXUS G809 UMFLUXUS_G809V2-2EN...
  • 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 G809 UMFLUXUS_G809V2-2EN, 2020-06-25 Article number: 21679 Copyright (©) FLEXIM GmbH 2020...

  • Page 3: Table Of Contents

    FLUXUS G809 Table of contents Table of contents Introduction ................7 Safety instructions .
  • Page 4 Table of contents FLUXUS G809 Measurement ................87 Parameter input .
  • Page 5 FLUXUS G809 Table of contents Advanced functions ..............133 16.1...
  • Page 6 Table of contents FLUXUS G809 2020-06-25, UMFLUXUS_G809V2-2EN...

  • Page 7: Introduction

    Copyright The contents of this operating instruction are subject to changes without prior notice. All rights reserved. No part of this op- erating instruction may be reproduced in any form without FLEXIM's written permission. UMFLUXUS_G809V2-2EN, 2020-06-25...

  • 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

    Safety instructions for transport • 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. • Handle the transducer cable with care. Avoid excessive bending or buckling. Observe the ambient conditions.

  • Page 11: General Principles

    3 General principles FLUXUS G809 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 de- rived from the flow velocity and from additional physical quantities, if necessary.
  • Page 12 3 General principles 3.1 Measurement principle FLUXUS G809 · · 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 G809 3.1 Measurement principle Fig. 3.1: Sound path of the signal in the flow direction reduction of the α α α sound path β β γ sound path γ without flow sound path with flow flow direction of the fluid c –...

  • Page 14: Measurement Arrangements

    3 General principles 3.2 Measurement arrangements FLUXUS G809 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 G809 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 G809 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 G809 3.4 Undisturbed flow profile Tab. 3.1: Recommended distance from disturbance sources D – nominal pipe diameter at the measuring point l – recommended distance between disturbance source and transducer position disturbance source: 2 × 90° elbows on different planes inlet: l ≥...

  • Page 18: Influence Of Noise

    3 General principles 3.5 Influence of noise FLUXUS G809 Influence of noise The ultrasonic waves do not only propagate in the fluid but also in the pipe wall, see Fig. 3.10. They are reflected at flanges. Fig. 3.10: Propagation of ultrasonic waves 1 –...

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

    3 General principles FLUXUS G809 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 G809 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 G809 4.1 Measuring system Product description Measuring system The measurement system consists of a transmitter, the ultrasonic transducers and the pipe on which the measurement is carried out, see Fig. 4.1. Fig. 4.1: Example for a measurement arrangement 1 –...

  • Page 22: Navigation

    4 Product description 4.3 Navigation FLUXUS G809 For a description of the individual program branches, see Tab. 4.1. 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.

  • Page 23: Keyboard

    4 Product description FLUXUS G809 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

    5 Transport and storage 5.1 Transport FLUXUS G809 Transport and storage Caution! When packaging, the transmitter can fall down. There is a danger of crushing body parts or damaging the measuring equipment. → Secure the transmitter against falling during packaging. Wear the required personal protective equip- ment.

  • Page 25: Installation

    6 Installation FLUXUS G809 Installation Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.

  • Page 26: Transmitter

    6 Installation 6.1 Transmitter FLUXUS G809 Caution! Touching hot or cold surfaces This may result in injuries (e.g., thermal damages). → Observe the ambient conditions at the measuring point during installation. Wear the required personal protective equipment. Observe the applicable rules.
  • Page 27 6 Installation FLUXUS G809 6.1 Transmitter 6.1.2 Installation of the transmitter 6.1.2.1 Wall installation • Fix the housing to the instrument mounting plate (2), see Fig. 6.2. • Fix the transmitter to the wall. Fig. 6.2: Wall mounting of the transmitter 1 –...
  • Page 28 6 Installation 6.1 Transmitter FLUXUS G809 Fig. 6.3: Installation on the pipe 1 – shackle 2 – instrument mounting plate 3 – nut 4 – tension strap 2020-06-25, UMFLUXUS_G809V2-2EN...

  • Page 29: Transducers

    6 Installation FLUXUS G809 6.2 Transducers Transducers Installation 6.2.1 Preparation 6.2.1.1 Measuring point selection The correct selection of the measuring point is crucial for achieving reliable measurement results and a high measurement accuracy. A measurement on a pipe is possible if: •...
  • Page 30 6 Installation 6.2 Transducers FLUXUS G809 6.2.1.3 Selection of the measurement arrangement Diagonal arrangement with 1 beam Reflection arrangement with 1 beam • wider flow velocity and sound speed • smaller flow velocity and sound speed range compared to the reflection ar-...
  • Page 31 6 Installation FLUXUS G809 6.2 Transducers If the measuring point is situated near an elbow, the following measurement arrangements are recommended for the selection of the sound beam plane. Vertical pipes Horizontal pipes flow direction elbow plane elbow plane flow direction •...
  • Page 32 6 Installation 6.2 Transducers FLUXUS G809 6.2.2 Mounting of damping mats Before mounting the transducer mounting fixture, damping mats are applied. • Ultrasonic waves do not only propagate in the fluid but also in the pipe wall. Transducer damping mats are mounted to counteract the propagation of ultrasonic waves in the pipe wall.
  • Page 33 6 Installation FLUXUS G809 6.2 Transducers • Determine the number and size of the damping mats that are to be mounted: – For outer pipe diameters < 900 mm, see page 34. – For outer pipe diameters > 900 mm, see page 36.
  • Page 34 6 Installation 6.2 Transducers FLUXUS G809 Outer pipe diameter < 900 mm For the calculation of the mounting length of the transducer or pipe damping mats, see Tab. 6.1. Tab. 6.1: Mounting length of the transducer and pipe damping mats...
  • Page 35 6 Installation FLUXUS G809 6.2 Transducers Example measurement in reflection arrangement 2 transducer mounting fixtures Variofix L transducer with transducer frequency M width of damping mat: 50 mm outer pipe diameter: 100 mm length of Variofix L: 310 mm reflection points: 1 calculation of the mounting length, see Tab.
  • Page 36 6 Installation 6.2 Transducers FLUXUS G809 Outer pipe diameter > 900 mm For the calculation of the mounting length of the transducer or pipe damping mats, see Tab. 6.2. Tab. 6.2: Mounting length of the transducer and pipe damping mats...
  • Page 37 6 Installation FLUXUS G809 6.2 Transducers Example measurement in diagonal arrangement 2 transducer mounting fixtures Variofix C transducer with transducer frequency G width of damping mat: 225 mm outer pipe diameter: 1200 mm length of Variofix C: 560 mm reflection points: 2 calculation of the mounting length, see Tab.
  • Page 38 6 Installation 6.2 Transducers FLUXUS G809 6.2.3.2 Transducer arrangement The transducer mounting with mounting rails can have various arrangements: Fig. 6.11: Transducer arrangement in mounting rails reflection arrangement, 1 rail reflection arrangement, 2 rails diagonal arrangement, 2 parallel rails diagonal arrangement, 2 displaced rails 6.2.3.3...
  • Page 39 6 Installation FLUXUS G809 6.2 Transducers 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 and tension...
  • Page 40 6 Installation 6.2 Transducers FLUXUS G809 Mounting When measuring in diagonal arrangement, the transducer mounting fixtures are mounted on opposite sides of the pipe, see Fig. 6.13. When measuring in reflection arrangement, the transducer mounting fixtures are mounted on the same side of the pipe, see Fig.
  • Page 41 6 Installation FLUXUS G809 6.2 Transducers Step 1: Dismounting of the transducer mounting fixture Variofix L • Disassemble the transducer mounting fixture Variofix L, see Fig. 6.15. Fig. 6.15: Dismounting of the transducer mounting fixture Variofix L 1 – cover 2 –...
  • Page 42 6 Installation 6.2 Transducers FLUXUS G809 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. Observe the applicable rules.
  • Page 43 6 Installation FLUXUS G809 6.2 Transducers Quick release clasp • Insert the tension strap into the tension strap clamp and the metal spring, see Fig. 6.20 and Fig. 6.21. • Position the clasp, the tension strap clamp and the metal spring on the pipe, see Fig. 6.19: –...
  • Page 44 6 Installation 6.2 Transducers FLUXUS G809 Notice! In order to release the screw and the tension strap, press the lever down, see Fig. 6.24. Fig. 6.23: Tension strap with metal spring and clamp 1 – metal spring 2 – tension strap clamp Fig.
  • Page 45 6 Installation FLUXUS G809 6.2 Transducers Fig. 6.26: Rail, mounted on one side of the pipe 1 – tension strap clamp 2 – tension strap clamp 3 – nut • Select the installation instructions according to the supplied clasp: Band clamp clasp •...
  • Page 46 6 Installation 6.2 Transducers FLUXUS G809 Fig. 6.28: Tension strap with band clamp Fig. 6.29: Tension strap with quick release clasp clasp and metal spring 1 – clasp screw 1 – clasp screw 2 – metal spring Ratchet clasp • Insert the tension strap into the tension strap clamp (2) and the metal spring, see Fig. 6.27 and Fig. 6.30. The metal spring does not have to be mounted on: –...
  • Page 47 6 Installation FLUXUS G809 6.2 Transducers Fig. 6.31: 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. 6.32.
  • Page 48 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. In case a safety data sheet is required, contact FLEXIM. • Tighten the cover screws, see Fig. 6.35.
  • Page 49 6 Installation FLUXUS G809 6.2 Transducers 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, see Fig. 6.36.
  • Page 50 6 Installation 6.2 Transducers FLUXUS G809 Step 1: Dismounting 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, see Fig. 6.38.
  • Page 51 6 Installation FLUXUS G809 6.2 Transducers • Insert approx. 100 mm of the tension strap into one of the slots of the tension strap clamp and bend it, see Fig. 6.40. • If necessary, insert the long end of the tension strap into the metal spring, see Fig. 6.41. The metal spring does not have to be mounted on: –...
  • Page 52 6 Installation 6.2 Transducers FLUXUS G809 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. Risk of injury! → Debur sharp edges.
  • Page 53 6 Installation FLUXUS G809 6.2 Transducers Notice! In order to release the screw and the tension strap, press the lever down, see Fig. 6.47. Fig. 6.46: Ratchet clasp with tension strap, tension strap clamp and metal spring on the pipe 1 –...
  • Page 54 6 Installation 6.2 Transducers FLUXUS G809 Step 3: Installation of the transducers in the transducer mounting fixture Variofix C • Stick coupling foil (or 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 55 6 Installation FLUXUS G809 6.2 Transducers Fig. 6.51: 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 56 6 Installation 6.2 Transducers FLUXUS G809 6.2.3.6 Mounting with PermaFiX In explosive atmospheres of FM Class I, Division 1, the transducer mounting fixture PermaFiX has to be used, see Fig. 6.53. When measuring in reflection arrangement, the transducers are installed on the same side of the pipe. If the transducer distance is small, both transducers are mounted into one rail.
  • Page 57 6 Installation FLUXUS G809 6.2 Transducers • Select the arrangement according to the measurement. • Disassemble the transducer mounting fixture PermaFiX, see Fig. 6.53. • Place one of the rails on the pipe, see Fig. 6.55. • Insert the screws (M6) into the holes of the rail and secure them with nuts.
  • Page 58 6 Installation 6.2 Transducers FLUXUS G809 Caution! The edge of the tension strap is very sharp. Risk of injury! → Debur sharp edges. → Wear the required personal protective equipment. Observe the applicable rules. • Insert approx. 100 mm of the tension strap into part 1 and part 2 of the clasp, see Fig. 6.57 a.
  • Page 59 6 Installation FLUXUS G809 6.2 Transducers Fig. 6.59: Installation of the rail with tension straps (diagonal arrangement, small transducer distance) 1 – rail 2 – tension straps Installation of the transducers Mount the transducers into the rail in such way that the engravings on the transducers form an arrow , see Fig. 6.60. The transducer cables show in opposite directions.
  • Page 60 6 Installation 6.2 Transducers FLUXUS G809 Fig. 6.61: PermaFiX on the pipe (example: diagonal arrangement with screws) 1 – PermaFiX 2 – screws 3 – conduit sealing fitting 4 – flexible conduit (approved for FM Class I, Division 1) Fig. 6.62: PermaFiX on the pipe (example: reflection arrangement with tension straps) 1 –...

  • Page 61: Connection

    7 Connection FLUXUS G809 Connection Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.
  • Page 62 7 Connection FLUXUS G809 The transmitter consists of 2 housings. The terminals for the connection of the transducers are in the lower housing, the terminals for the connection of the outputs and of the power supply on the rear side of the upper housing, see Fig. 7.1.

  • Page 63: Transducers

    Fig. 7.2: Connection of the transducers to the transmitter 1 – transducers (measuring channel A) 2 – transducers (measuring channel B) Transmitter FLUXUS G809**-A1 7.1.1 Connection of the transducer cable to the transmitter Important! The degree of protection of the transmitter is only ensured if all cables are tightly fitted using cable glands and the housing is firmly screwed.
  • Page 64 7 Connection 7.1 Transducers FLUXUS G809 Notice! For good electromagnetic compatibility (EMC), it is important to ensure good electrical contact between the external shield and the cap nut (and thus the housing). • Fix the cable gland by screwing the cap nut onto the basic part.
  • Page 65 7 Connection FLUXUS G809 7.1 Transducers Tab. 7.2: Terminal assignment terminal connection transducer (brown cable, marked white) transducer (red cable) transducer (red cable) transducer (brown cable) Fig. 7.4: Connection of the transducer cable with stainless steel conduit and stripped cable ends...
  • Page 66 7 Connection 7.1 Transducers FLUXUS G809 Fig. 7.5: Connection of the extension cable to the transmitter 10 mm 20 mm 70 mm 1 – external shield brushed back 7.1.3 Connection of the transducer cable to the junction box 7.1.3.1 Transducer cable with plastic cable jacket and stripped cable ends •...
  • Page 67 7 Connection FLUXUS G809 7.1 Transducers Fig. 7.6: Connection of the transducer cable with plastic cable jacket and stripped cable ends cable gland 1 – cap nut 2 – compression part 3 – basic part 4 – external shield brushed back 7.1.3.2...
  • Page 68 7 Connection 7.1 Transducers FLUXUS G809 Fig. 7.7: Connection of the transducer cable with stainless steel conduit and stripped cable 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 transducer, junction box and transmitter are on the same potential.
  • Page 69 7 Connection FLUXUS G809 7.1 Transducers 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. 7.8: Connection of the extension and transducer cable to the junction box cable gland 1 –...
  • Page 70 7 Connection 7.1 Transducers FLUXUS G809 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 transduc- ers have to be on the same potential.
  • Page 71 6 – basic part 7 – connection of the extension cable 8 – connection of the transducer cable Messumformer FLUXUS G809**-F1 7.1.5 Connection of the transducer cable to the transmitter • Remove the blind plug for the connection of the transducer cable.
  • Page 72 7 Connection 7.1 Transducers FLUXUS G809 Fig. 7.10: Connection of the transducer cable to the transmitter 1 – transducer cable 7.1.6 Connection of the extension cable to the transmitter The extension cable is connected to the transmitter via the transducer connection.
  • Page 73 7 Connection FLUXUS G809 7.1 Transducers 7.1.7 Connection to the junction box Transducer and extension cables are connected via the terminal board KFM1. The terminal board has to be installed into a junction box (by the customer) approved for the use in explosive atmospheres.
  • Page 74 7 Connection 7.1 Transducers FLUXUS G809 7.1.8 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 sensor module must also be replaced or added.

  • Page 75: Power Supply

    7 Connection FLUXUS G809 7.2 Power supply 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 imped- ance of the protective earth has to be low ohmic in order not to allow touch voltage pass the permissible limit.

  • Page 76: Outputs

    7.3 Outputs FLUXUS G809 7.2.1 Cable connection (FLUXUS G809**-A1 and FLUXUS G809**-A1A only) • 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 77 7 Connection FLUXUS G809 7.3 Outputs Tab. 7.13: Circuit of the outputs output transmitter external circuit remark internal circuit connection active current output < 500 Ω I1/I2: 2/4 (+) G809**-A1 G809**-F1 I1/I2: 1/3 (-) passive current output = 4…26.4 V I1/I2: 1/3 (-) >...
  • Page 78 7 Connection 7.3 Outputs FLUXUS G809 Tab. 7.13: Circuit of the outputs output transmitter external circuit remark internal circuit connection intrinsically safe current output/ current output = 30 V DC HART = 100 mA = 0.75 W G809**-A1A I1: 1 (-) ≤...
  • Page 79 7 Connection FLUXUS G809 7.3 Outputs Tab. 7.13: Circuit of the outputs output transmitter external circuit remark internal circuit connection binary output circuit 1 = 5…24 V (open collector) [kΩ] = U [mA] = 1…4 mA G809**-A1 B1/B2: 6/8 (+)

  • Page 80: Serial Interface

    7 Connection 7.4 Serial interface FLUXUS G809 Serial interface Connection 7.4.1 Service interface RS232 The RS232 service interface can only be connected outside of an explosive atmosphere because the housing has to be opened, see Fig. 7.17. • Connect the RS232 cable to the transmitter and the serial interface of the PC. If the RS232 cable cannot be connected to the PC, use the RS232/USB adapter.

  • Page 81: Start-Up

    8 Start-up FLUXUS G809 Start-up Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.

  • Page 82: Start-Up Settings

    8 Start-up 8.1 Start-up settings FLUXUS G809 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 con- cluded.

  • Page 83: Switching On

    8 Start-up FLUXUS G809 8.2 Switching on 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 84: Hotcodes

    8 Start-up 8.4 HotCodes FLUXUS G809 HotCodes A HotCode is a digit sequence that activates certain functions and settings. Special Funct.\SYSTEM settings\Miscellaneous • Select the menu item Miscellaneous in the program branch Special Funct.\SYSTEM settings. • Press ENTER. Input a HOTCODE •...

  • Page 85: Initialization

    8 Start-up FLUXUS G809 8.6 Initialization 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 86: Instrument Information

    8 Start-up 8.8 Instrument information FLUXUS G809 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 87: Measurement

    9 Measurement FLUXUS G809 Measurement Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.

  • Page 88: Parameter Input

    9 Measurement 9.1 Parameter input FLUXUS G809 Parameter input Notice! The parameters will only be stored when 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 89 9 Measurement FLUXUS G809 9.1 Parameter input 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 90 9 Measurement 9.1 Parameter input FLUXUS G809 Notice! For pipe materials there are 2 sound speeds, the longitudinal and the transversal one. Enter the sound speed which is nearer to 2500 m/s. These displays will only be indicated if Other Material is selected.
  • Page 91 9 Measurement FLUXUS G809 9.1 Parameter input 9.1.2 Input of fluid parameters Fluid Parameter\Medium • Select the fluid from the scroll list. • Press ENTER. It is possible to specify which fluids are to be displayed in the scroll list, see section 18.4.
  • Page 92 9 Measurement 9.1 Parameter input FLUXUS G809 Fluid density Parameter\Medium\Other Medium\Density The density is used to calculate the mass flow. If the mass flow is not measured, an input is unnecessary. The default value can be used. • Enter the operating density of the fluid.

  • Page 93: Measurement Settings

    If a standard transducer is selected, no transducer-specific calibration values are considered. A higher uncertainty has to be expected. Parameter\Transducer Type\Special Version If Special Version is selected, enter the 6 transducer parameters specified by FLEXIM. Press ENTER after each input. Extension cable Parameter\Additional cable In case the transducer cable is extended (e.g., between junction box and transmitter), enter the length of the extension cable.
  • Page 94 9 Measurement 9.2 Measurement settings FLUXUS G809 Output Options\for Channel A\Physic. Quant.\Norm.volume flow During the measurement of gases, it is possible to select the standard volumetric flow rate as the physical quantity. For the selected physical quantity (except for the sound speed), a scroll list with the available units of measurement is dis- played.
  • Page 95 9 Measurement FLUXUS G809 9.2 Measurement settings 9.2.3 Installation of an output If the transmitter is equipped with outputs, they have to be installed and activated before they can be used: SYSTEM settings • assignment of a measuring channel (source channel) to the output (if the transmitter has more than one measur- Proc.
  • Page 96 9 Measurement 9.2 Measurement settings FLUXUS G809 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 output by the source channel.
  • Page 97 9 Measurement FLUXUS G809 9.2 Measurement settings 9.2.3.1 Output of the measured value Output range When configuring an analog output, the output range has to be defined. Source item Output range Special Funct.\SYSTEM settings\ Proc. outputs\...\Output range I1 Error-value • Select the menu item Special Funct.\ Active loop SYSTEM settings\Proc.
  • Page 98 9 Measurement 9.2 Measurement settings FLUXUS G809 Example v [m³/h] source item: volumetric flow rate output: current output output range: 4…20 mA error delay: t > 0 (see section 9.2.5 and Tab. 9.3) The volumetric flow rate cannot be measured during the time interval t ...t...
  • Page 99 9 Measurement FLUXUS G809 9.2 Measurement settings Terminal assignment Special Funct.\SYSTEM settings\Proc. outputs\...\Active loop I1 The terminals for the connection of the output are displayed. • Press ENTER. If the transmitter possesses a switchable current output, it is displayed whether it is active or passive (here: active).
  • Page 100 9 Measurement 9.2 Measurement settings FLUXUS G809 Measuring range After an analog output has been activated in the program branch Output Options, the measuring range of the source item has to be entered. Output Options\...\Meas.Values • Select sign if the sign of the measured values is to be considered for the output.

  • Page 101: Start Of The Measurement

    9 Measurement FLUXUS G809 9.3 Start of the measurement Example output: current output output range: 4…20 mA Zero-Scale Val.: 0 m³/h Full-Scale Val.: 300 m³/h Test value = 150 m³/h (center of the measuring range, corresponds to 12 mA) If the multimeter displays 12 mA, the current output functions correctly.
  • Page 102 9 Measurement 9.3 Start of the measurement FLUXUS G809 Input of the measuring point number Measuring\Channel\Meas.Point No. • Enter the number of the measuring point. • Press ENTER. For the activation of text input, see Special Funct.\SYSTEM settings\Dialogs/Menus\Meas.Point No. Input of the sound path number Measuring\Channel\...\Sound Path...
  • Page 103 9 Measurement FLUXUS G809 9.3 Start of the measurement Notice! The accuracy of the recommended transducer distance depends on the accuracy of the entered pipe and fluid parameters. The diagnostics window is displayed, see Fig. 9.1. Fine adjustment of the transducer distance •...
  • Page 104 9 Measurement 9.3 Start of the measurement FLUXUS G809 Consistency check If a wide range for the sound speed has been entered in the program branch Parameter or the exact parameters of the fluid are unknown, a consistency check is recommended.

  • Page 105: Display Of Measured Values

    9 Measurement FLUXUS G809 9.4 Display of measured values Display of measured values The measured values are displayed during the measurement as follows: A:Norm.volume flow 31.82 m3/h If the standard volumetric flow rate is selected as physical quantity during the gas measurement, the operating volumetric flow rate can also be displayed.
  • Page 106 9 Measurement 9.4 Display of measured values FLUXUS G809 HumanMux mode The measured values of one channel are displayed in the HumanMux mode. The measurement on the other channels is continued, but not displayed. Select the command →Mux:Nextchan. to display the next activated channel. The measured values of the selected channel will be displayed as configured in the program branch Output Options, see section 9.2.1.
  • Page 107 9 Measurement FLUXUS G809 9.4 Display of measured values Tab. 9.5: Description of the status line value explanation signal amplitude < 5 % … … ≥ 90 % signal quality < 5 % … … ≥ 90 % sound speed comparison of the measured and the expected sound speed of the fluid The expected sound speed is calculated from the fluid parameters.

  • Page 108: Execution Of Special Functions

    9 Measurement 9.5 Execution of special functions FLUXUS G809 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 109: Troubleshooting

    10 Troubleshooting FLUXUS G809 Troubleshooting Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.
  • Page 110 The program code is activated. Press key CLR and enter the program code. The backlight of the display does not work, but all other functions are available The backlight is defective. This problem has no influence on other functions of the display. Send the transmitter to FLEXIM for repair.

  • Page 111: Problems With The Measurement

    Signal loss during the measurement • If the pipe was without any pressure and no measuring signal has been received, contact FLEXIM. • Wait a moment until the acoustic contact is reestablished. The measurement can be interrupted by a temporarily high portion of liquid and solids in the fluid.

  • Page 112: Significant Deviations Of The Measured Values

    10 Troubleshooting 10.5 Significant deviations of the measured values FLUXUS G809 Droplets or solids in a high concentration in the fluid scatter and absorb the ultrasonic signal and therefore attenuate the measuring signal. A measurement is impossible if the value is ≥ 10 %. If the proportion is high, but < 10 %, a measurement is only condition- ally possible.

  • Page 113: Maintenance And Cleaning

    11 Maintenance and cleaning FLUXUS G809 Maintenance and cleaning Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.

  • Page 114: Maintenance

    11 Maintenance and cleaning 11.1 Maintenance FLUXUS G809 Caution! Touching hot or cold surfaces This may result in injuries (e.g., thermal damages). → Observe the ambient conditions at the measuring point during installation. Wear the required personal protective equipment. Observe the applicable rules.

  • Page 115: Calibration

    > 200 °C for high temperature transducers) In order to realize a recalibration under reference conditions either the transmitter, the transducers or the transmitter with transducers have to be sent to FLEXIM depending on which part needs to be calibrated. 11.4...

  • Page 116: 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.

  • Page 117: Dismounting And Disposal

    12 Dismounting and disposal FLUXUS G809 Dismounting and disposal Danger! Risk of explosion when using the measuring instrument in explosive atmospheres (ATEX, IECEx) This may result in personal or material damage or other dangerous situations. → Observe the "Safety instructions for the use in explosive atmospheres", see document SIFLUXUS.

  • Page 118: Dismounting

    Disposal The measuring equipment has to be disposed in accordance to the applicable regulations. Depending on the material, the corresponding parts have to be disposed in residual or special waste or recycled. For fur- ther information, contact FLEXIM. 2020-06-25, UMFLUXUS_G809V2-2EN...

  • Page 119: Outputs

    13 Outputs FLUXUS G809 13.1 Installation of a binary output Outputs In addition to the analog outputs, the transmitter can also be equipped with binary and frequency outputs. 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 120: Configuration Of A Frequency Output As Pulse Output

    13 Outputs 13.2 Configuration of a frequency output as pulse output FLUXUS G809 Tab. 13.1: Configuration of the binary outputs source item list item output Limit limit message (Alarm Output R1) limit message (Alarm Output R2) limit message (Alarm Output R3)
  • Page 121 13 Outputs FLUXUS G809 13.2 Configuration of a frequency output as pulse output Special Funct.\SYSTEM settings\Proc. outputs\...\Source chan. F1 • Select the measuring channel to be assigned to the frequency output as the source channel in the scroll list. • Press ENTER.

  • Page 122: Activation Of A Binary Output As Pulse Output

    13 Outputs 13.3 Activation of a binary output as pulse output FLUXUS G809 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 123: Data Logger

    14 Data logger FLUXUS G809 14.1 Activation/Deactivation of the data logger Data logger The transmitter has a data logger which stores the data during the measurement. The following data can be stored: • date • time • measuring point number •...

  • Page 124: Configuration Of The Data Logger

    14 Data logger 14.3 Configuration of the data logger FLUXUS G809 14.3 Configuration of the data logger Special Funct.\SYSTEM settings\Storing • Select Special Funct.\SYSTEM settings\Storing. • Press ENTER. Starting time In order to start the storing of measured values with several measuring instruments at the same time, it is possible to set a starting time.
  • Page 125 14 Data logger FLUXUS G809 14.3 Configuration of the data logger Notice! The storage mode does not affect the outputs. Notice! Storage mode = average The average of the physical quantity and other measurands assigned to the measuring channel, will be calculated.

  • Page 126: Measurement With Activated Data Logger

    14 Data logger 14.4 Measurement with activated data logger FLUXUS G809 14.4 Measurement with activated data logger Measuring\Channel\Meas.Point No. • Start the measurement. • Enter the number of the measuring point. • Press ENTER. If Output Options\Store Meas.Data is activated and Special Funct.\SYSTEM settings\Ringbuffer is de- activated, a message indicating an error will be displayed as soon as the data logger is full.

  • Page 127: Information Relating The Data Logger

    14 Data logger FLUXUS G809 14.6 Information relating the data logger 14.6 Information relating the data logger Aprox. 100 000 measurement data can be stored. Each measured value is stored with the corresponding totalizer and op- tionally further measurement and diagnostic data, see section 14.3.

  • Page 128: Data Transmission

    15 Data transmission 15.1 FluxDiagReader/FluxDiag FLUXUS G809 Data transmission The data can be transmitted to the PC via the communication interface (process interface RS485 (optional) or service in- terface RS232) of the transmitter. Tab. 15.1: Data transmission overview program data transmission...
  • Page 129 15 Data transmission FLUXUS G809 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, see section 15.3.

  • Page 130: Transmission Parameters

    15 Data transmission 15.3 Transmission parameters FLUXUS G809 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, protocol RTS/CTS (hardware, handshake) The transmission parameters of the RS232 service interface can be changed.

  • Page 131: Data Format

    15 Data transmission FLUXUS G809 15.4 Data format 15.4 Data format Special Funct.\SYSTEM settings\serial transmis.\SER:kill spaces • Select Special Funct.\SYSTEM settings\serial transmis. • Press ENTER until SER:kill spaces is displayed. • Select on if the space characters are not to be transmitted.
  • Page 132 15 Data transmission 15.5 Data structure FLUXUS G809 Example \DATA A: \*MEASURE; Q_POS; Q_NEG; B: \*MEASURE; Q_POS; Q_NEG; Depending on the storage interval, one data line per activated measuring channel is transmitted. The line "???" will be transmitted if there are no measured values available for the storage interval.

  • Page 133: Advanced Functions

    16 Advanced functions FLUXUS G809 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 134: Upper Limit Of The Flow Velocity

    16 Advanced functions 16.2 Upper limit of the flow velocity FLUXUS G809 Totalizer overflow The overflow behavior of the totalizers can be set: Special Funct.\SYSTEM settings\Measuring\Quant. wrapping • Select Special Funct.\SYSTEM settings\Measuring\Quant. wrapping. • Select on to work with overflow.

  • Page 135: Cut-Off Flow

    16 Advanced functions FLUXUS G809 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 de- rived quantities are set to zero.

  • Page 136: Profile Correction

    16 Advanced functions 16.4 Profile correction FLUXUS G809 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 137: Fastfood Mode

    16 Advanced functions FLUXUS G809 16.6 FastFood mode 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 138: Calculation Channels

    16 Advanced functions 16.7 Calculation channels FLUXUS G809 16.6.3 Activation/deactivation of the FastFood mode If the FastFood mode is enabled and a measurement is started, the normal measuring mode will still be running (i.e. multi- channel measurement with permanent adaptation to the measuring conditions). If the data logger is activated, the mea- sured values will not be stored.
  • Page 139 16 Advanced functions FLUXUS G809 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 140 16 Advanced functions 16.7 Calculation channels FLUXUS G809 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. Tab. 16.1: Physical quantities of the calculation channels...

  • Page 141: Diagnosis With The Help Of The Snap Function

    16 Advanced functions FLUXUS G809 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. The calculation channels are activated or deactivated the same way as measuring channels.

  • Page 142: Modification Of The Limit For The Inner Pipe Diameter

    16 Advanced functions 16.9 Modification of the limit for the inner pipe diameter FLUXUS G809 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 143: Activation Of A Binary Output As Alarm Output

    16 Advanced functions FLUXUS G809 16.11 Activation of a binary output as alarm output 16.11 Activation of a binary output as alarm output Notice! The menu item Alarm Output will only be displayed in the program branch Output Options if a binary output has been installed, see section 13.1.
  • Page 144 16 Advanced functions 16.11 Activation of a binary output as alarm output FLUXUS G809 16.11.2 Setting the limits If the switching condition MIN or MAX is selected in the scroll list func, the limit of the output has to be defined: R1 Input\Mass Flow •...

  • Page 145: Behavior Of The Alarm Outputs

    16 Advanced functions FLUXUS G809 16.12 Behavior of the alarm outputs Notice! The unit of measurement of the limit is set according to the unit of measurement of the selected physical quantity. If the unit of measurement of the physical quantity is changed, the limit has to be converted and entered again.
  • Page 146 16 Advanced functions 16.12 Behavior of the alarm outputs FLUXUS G809 Press 3 times key CLR during the measurement to set all alarm outputs to idle state. Alarm outputs whose switching con- dition is still met will be activated again after 1 s. This function is used to reset alarm outputs of the type HOLD if the switch- ing condition is no longer met.
  • Page 147 16 Advanced functions FLUXUS G809 16.12 Behavior of the alarm outputs If the alarm state indication is activated, the alarm output state is displayed after configuring the alarm outputs. The alarm state indication is structured as follows: Rx = , with X being the number of the alarm output and a pictogram according to Tab.

  • Page 148: Superuser Mode

    17 SuperUser mode 17.1 Activation/deactivation FLUXUS G809 SuperUser mode The SuperUser mode offers the possibility of an advanced diagnostic of signals and measured values as well as the defi- nition of additional parameters adapted to the measuring point, in order to achieve better measured values or for experi- mental work.

  • Page 149: 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 Defining 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 150 17 SuperUser mode 17.3 Defining flow parameters FLUXUS G809 Special Funct.\...\Calibration\...\Calibration A request is displayed if an additional correction of the flow velocity is to be defined. • Select on to define the correction data, off to work without correction of the flow velocity and return to the menu item SYSTEM settings.

  • Page 151: Limit Of The Signal Amplification

    17 SuperUser mode FLUXUS G809 17.4 Limit of the signal amplification 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 152: Upper Limit Of The Sound Speed

    17 SuperUser mode 17.5 Upper limit of the sound speed FLUXUS G809 17.5 Upper limit of the sound speed When the plausibility of the signal is evaluated, it will be checked whether the sound speed is within a defined range. The used upper limit of the fluid sound speed is the greatest of the following values: •...

  • Page 153: Detection Of Long Measurement Failures

    17 SuperUser mode FLUXUS G809 17.6 Detection of long measurement failures 17.6 Detection of long measurement failures If there are no valid measured values during a long time interval, new increments of the totalizers will be ignored. The values of the totalizers remain unchanged.

  • Page 154: Manual Reset Of The Totalizers

    17 SuperUser mode 17.8 Manual reset of the totalizers FLUXUS G809 17.8 Manual reset of the totalizers If the manual reset of the totalizers is activated, the totalizers can be reset to zero during the measurement by pressing key CLR 3 times, even if a program code is activated.

  • Page 155: Displays During The Measurement

    17 SuperUser mode FLUXUS G809 17.11 Displays during the measurement 17.11 Displays during the measurement Besides the normal information, see section 9.4, the following parameters can be displayed during the measurement in the SuperUser mode: display explanation transit time of the measuring signal in the fluid...

  • Page 156: Settings

    18 Settings 18.1 Dialogs and menus FLUXUS G809 Settings 18.1 Dialogs and menus Special Funct.\SYSTEM settings\Dialogs/Menus • Select Special Funct.\SYSTEM settings\Dialogs/Menus. • Press ENTER. Notice! The settings will be stored at the end of the dialog. If the menu item is quit by pressing key BRK, the changes will not be stored.
  • Page 157 18 Settings FLUXUS G809 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 calcula- tions.
  • Page 158 18 Settings 18.1 Dialogs and menus FLUXUS G809 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 and kinematic viscosity and sound speed.

  • Page 159: Measurement Settings

    18 Settings FLUXUS G809 18.2 Measurement settings 18.2 Measurement settings Special Funct.\SYSTEM settings\Measuring • Select Special Funct.\SYSTEM settings\Measuring. • Press ENTER. Notice! The settings will be stored at the end of the dialog. If the menu item is quit by pressing key BRK, the changes will not be stored.
  • Page 160 18 Settings 18.2 Measurement settings FLUXUS G809 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 negative flow ve- locity.

  • Page 161: Settings Of Standard Conditions For Gas Measurements

    18 Settings FLUXUS G809 18.3 Settings of standard conditions for gas measurements 18.3 Settings of standard conditions for gas measurements Special Funct.\SYSTEM settings\Gas-Measuring • Select Special Funct.\SYSTEM settings\Gas-Measuring. • Press ENTER. This display will only be indicated if the gas measurement has been activated in Special Funct.\SYSTEM settings \Measuring.
  • Page 162 18 Settings 18.4 Libraries FLUXUS G809 Notice! If the material/fluid scroll list is quit by pressing key BRK before storing, all changes will be lost. 18.4.1 Displaying a scroll list Special Funct.\...\Material list\user\Show list • Select Show list. • Press ENTER to display the scroll list as in the program branch Parameter.

  • Page 163: Contrast Settings

    18 Settings FLUXUS G809 18.5 Contrast settings Notice! User defined materials/fluids will always be displayed in the scroll lists of the program branch Parameter. They can- not be removed. 18.4.5 Removing all materials/fluids from the scroll list Special Funct.\...\Material list\user\Remove all •...

  • Page 164: Program Code

    18 Settings 18.6 Program code FLUXUS G809 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 (a command or key BRK).
  • Page 165 18 Settings FLUXUS G809 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 the keys •...
  • Page 166 18 Settings 18.6 Program code FLUXUS G809 2020-06-25, UMFLUXUS_G809V2-2EN...

  • Page 167: Annex

    Annex FLUXUS G809 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 168 Annex A Menu structure FLUXUS G809 Parameter input (see chapter 9) 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 169 Annex FLUXUS G809 A Menu structure Measurement settings (see chapter 9) Main menu Output Options for Channel x Physic. Quant. Unit of measurement Damping UMFLUXUS_G809V2-2EN, 2020-06-25...
  • Page 170 Annex A Menu structure FLUXUS G809 Data logger (see chapter 14) 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...
  • Page 171 Annex FLUXUS G809 A Menu structure Measurement start (see chapter 9) Main menu Measuring Channel Meas.Point No.: PROFILE CORR. Sound Path Transd. Distance Signal test Transd. Distance Measurement display Measurement stop Legend [1] this will only be displayed if uncorr. is selected in the menu item Special Funct.\SYSTEM settings\...
  • Page 172 Annex A Menu structure FLUXUS G809 Configuration of the outputs (see chapter 9) Main menu Main menu Special Funct. Output Options for Channel x SYSTEM settings ENTER until Proc. outputs Current Loop Install Output → Current → Frequency → Binary Zero-Scale Val.
  • Page 173 Annex FLUXUS G809 A Menu structure SuperUser mode (see chapter 17) 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.
  • Page 174 Annex A Menu structure FLUXUS G809 Alarm output (see chapter 16) 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 →...

  • Page 175: B Units Of Measurement

    Annex FLUXUS G809 B Units of measurement Units of measurement Length/roughness unit of measurement description millimeter inch 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)
  • Page 176 Annex B Units of measurement FLUXUS G809 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 177 Annex FLUXUS G809 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 178: 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 179 Annex FLUXUS G809 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 180 Annex C Reference FLUXUS G809 fluid (display) explanation sound speed [m/s] kinematic viscosity [mm density [g/cm 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 181 Annex FLUXUS G809 C Reference Properties of methane fluid temperature fluid pressure density sound speed kinematic viscosity compressibility [°C] [bar] [kg/m [m/s] coefficient (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 26.076...

Table of Contents