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Flexim FLUXUS F808 Operating Instruction

Ultrasonic flowmeter
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Operating instruction
FLUXUS F808
UMFLUXUS_F808V2-2EN

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Summary of Contents for Flexim FLUXUS F808

  • Page 1 Operating instruction FLUXUS F808 UMFLUXUS_F808V2-2EN...
  • 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 F808 UMFLUXUS_F808V2-2EN, 2020-06-25 Article number: 21667 Copyright (©) FLEXIM GmbH 2020...

  • Page 3: Table Of Contents

    FLUXUS F808 Table of contents Table of contents Introduction ................7 Safety instructions .
  • Page 4 Table of contents FLUXUS F808 Measurement ................84 Parameter input .
  • Page 5 FLUXUS F808 Table of contents Advanced functions ..............127 16.1...
  • Page 6 Table of contents FLUXUS F808 2020-06-25, UMFLUXUS_F808V2-2EN...

  • 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_F808V2-2EN, 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 10, 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 sharp bends or kinks. Observe the ambient conditions.

  • Page 11: General Principles

    3 General principles FLUXUS F808 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 F808 m · Mass flow rate · m · · ρ The mass of the fluid that passes through the pipe per unit time. The mass flow rate is calculated from the product of the ·...
  • Page 13 3 General principles FLUXUS F808 3.1 Measurement principle Fig. 3.3: Transit time difference Δt Δt 1 – signal in the flow direction 2 – signal against the flow direction 3.1.3 Measurement of the flow velocity in the NoiseTrek mode If the proportion of gas or solids in the fluid is high, the damping of the ultrasonic signal can be so high that the complete propagation of the fluid and therefore a measurement in TransitTime mode is not possible anymore.

  • Page 14: Measurement Arrangements

    3 General principles 3.2 Measurement arrangements FLUXUS F808 3.1.4 Measurement of the flow velocity in the HybridTrek mode The HybridTrek mode combines the TransitTime and the NoiseTrek mode. During a measurement in the HybridTrek mode, the transmitter automatically toggles between the TransitTime and the NoiseTrek mode depending on the gaseous or solid content.
  • Page 15 3 General principles FLUXUS F808 3.2 Measurement arrangements Transducer distance The transducer distance is measured between the inner edges of the transducers. reflection arrangement diagonal arrangement (positive transducer distance) diagonal arrangement (negative transducer distance) a – transducer distance Sound beam plane Plane, containing sound paths or beams Fig.

  • Page 16: Acoustic Penetration

    3 General principles 3.3 Acoustic penetration FLUXUS F808 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: Undisturbed Flow Profile

    3 General principles FLUXUS F808 3.4 Undisturbed flow profile Free inlet or outlet pipe section Select the measuring point at a pipe section where the pipe cannot run empty, see Fig. 3.13 and Fig. 3.14. Fig. 3.13: Recommended transducer Fig. 3.14:...
  • Page 18 3 General principles 3.4 Undisturbed flow profile FLUXUS F808 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: valve inlet: l ≥ 40 D outlet: l ≥...

  • Page 19: Product Description

    4 Product description FLUXUS F808 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 20: Navigation

    4 Product description 4.3 Navigation FLUXUS F808 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 21: Keyboard

    4 Product description FLUXUS F808 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 re- start of the transmitter.

  • Page 22: Transport And Storage

    5 Transport and storage 5.1 Transport FLUXUS F808 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 23: Installation

    6 Installation FLUXUS F808 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 24: Transmitter

    6 Installation 6.1 Transmitter FLUXUS F808 Warning! Touching live parts Electric shock or arc faults can led to severe injuries. The measuring instrument can be damaged. → Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the transmitter has to be disconnected from the power supply.
  • Page 25 6 Installation FLUXUS F808 6.1 Transmitter 6.1.2 Installation of the transmitter 6.1.2.1 Wall installation • Fix the housing to the instrument mounting plate (1), see Fig. 6.3. • Fix the transmitter to the wall. Fig. 6.2: Wall mounting of the transmitter 1 –...
  • Page 26 6 Installation 6.1 Transmitter FLUXUS F808 Fig. 6.3: Installation on the pipe 1 – shackle 2 – instrument mounting plate 3 – nut 4 – tension strap 2020-06-25, UMFLUXUS_F808V2-2EN...

  • Page 27: Transducers

    6 Installation FLUXUS F808 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 28 6 Installation 6.2 Transducers FLUXUS F808 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...
  • Page 29 6 Installation FLUXUS F808 6.2 Transducers Bidirectional measurements flow direction • The sound beam plane is selected ac- cording to the nearest elbow (horizontal or vertical, depending on the pipe orientation, see above). 6.2.2 Installation of the transducers 6.2.2.1 Orientation of the transducers and determination of the transducer distance Observe the orientation of the transducers.
  • Page 30 6 Installation 6.2 Transducers FLUXUS F808 6.2.2.2 Transducer arrangement The transducer mounting with mounting rails can have various arrangements: Fig. 6.5: Transducer arrangement in mounting rails reflection arrangement, 1 rail reflection arrangement, 2 rails diagonal arrangement, 2 parallel rails diagonal arrangement, 2 displaced rails 6.2.2.3...
  • Page 31 6 Installation FLUXUS F808 6.2 Transducers 6.2.2.4 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 32 6 Installation 6.2 Transducers FLUXUS F808 Mounting When measuring in diagonal arrangement, the transducer mounting fixtures are mounted on opposite sides of the pipe, see Fig. 6.7. When measuring in reflection arrangement, the transducer mounting fixtures are mounted on the same side of the pipe, see Fig.
  • Page 33 6 Installation FLUXUS F808 6.2 Transducers Step 1: Dismounting of the transducer mounting fixture Variofix L • Disassemble the transducer mounting fixture Variofix L, see Fig. 6.9. Fig. 6.9: Dismounting of the transducer mounting fixture Variofix L 1 – cover 2 –...
  • Page 34 6 Installation 6.2 Transducers FLUXUS F808 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 35 6 Installation FLUXUS F808 6.2 Transducers Quick release clasp • Insert the tension strap into the tension strap clamp and the metal spring, see Fig. 6.14 and Fig. 6.15. • Position the clasp, the tension strap clamp and the metal spring on the pipe, see Fig. 6.13: –...
  • Page 36 6 Installation 6.2 Transducers FLUXUS F808 • Tighten the clasp screw. Notice! In order to release the screw and the tension strap, press the lever down, see Fig. 6.18. Fig. 6.17: Tension strap with metal spring and clamp 1 – metal spring 2 –...
  • Page 37 6 Installation FLUXUS F808 6.2 Transducers Fig. 6.20: 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 38 6 Installation 6.2 Transducers FLUXUS F808 Fig. 6.22: Tension strap with band Fig. 6.23: Tension strap with quick clamp clasp release 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. 6.21 and Fig. 6.24. The metal spring does not have to be mounted on: –...
  • Page 39 6 Installation FLUXUS F808 6.2 Transducers Fig. 6.25: 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. 6.26.
  • Page 40 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. 6.29.
  • Page 41 6 Installation FLUXUS F808 6.2 Transducers 6.2.2.5 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. 6.30.
  • Page 42 6 Installation 6.2 Transducers FLUXUS F808 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. 6.32.
  • Page 43 6 Installation FLUXUS F808 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. 6.34. • If necessary, insert the long end of the tension strap into the metal spring, see Fig. 6.35. The metal spring does not have to be mounted on: –...
  • Page 44 6 Installation 6.2 Transducers FLUXUS F808 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 45 6 Installation FLUXUS F808 6.2 Transducers Notice! In order to release the screw and the tension strap, press the lever down, see Fig. 6.41. Fig. 6.40: Ratchet clasp with tension strap, tension strap clamp and metal spring on the pipe 1 –...
  • Page 46 6 Installation 6.2 Transducers FLUXUS F808 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 47 6 Installation FLUXUS F808 6.2 Transducers Fig. 6.45: 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 48 6 Installation 6.2 Transducers FLUXUS F808 6.2.2.6 Mounting with PermaFiX In explosive atmospheres of FM Class I, Division 1, the transducer mounting fixture PermaFiX has to be used, see Fig. 6.47. 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 49 6 Installation FLUXUS F808 6.2 Transducers • Select the arrangement according to the measurement. • Disassemble the transducer mounting fixture PermaFiX, see Fig. 6.47. • Place one of the rails on the pipe, see Fig. 6.49. • Insert the screws (M6) into the holes of the rail and secure them with nuts.
  • Page 50 6 Installation 6.2 Transducers FLUXUS F808 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. 6.51 a.
  • Page 51 6 Installation FLUXUS F808 6.2 Transducers Fig. 6.53: 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. 6.54. The transducer cables show in opposite directions.
  • Page 52 6 Installation 6.2 Transducers FLUXUS F808 Fig. 6.55: 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. 6.56: PermaFiX on the pipe (example: reflection arrangement with tension straps) 1 –...

  • Page 53: Connection

    7 Connection FLUXUS F808 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 54 7 Connection FLUXUS F808 Warning! Touching live parts Electric shock or arc faults can led to severe injuries. The measuring instrument can be damaged. → Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the transmit- ter has to be disconnected from the power supply.

  • Page 55: Transducers

    Connection of the transducers to the transmitter L(+) N(-) 1 – transducers Transmitter FLUXUS F808**-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 56 7 Connection 7.1 Transducers FLUXUS F808 Tab. 7.1: Terminal assignment terminal connection transducer (core) transducer (internal shield) transducer (inner shield) transducer (core) Fig. 7.3: Connection of the transducer cable with plastic cable jacket and stripped cable ends to the transmitter...
  • Page 57 7 Connection FLUXUS F808 7.1 Transducers Fig. 7.4: Connection of the transducer cable with stainless steel conduit and stripped cable ends to the transmitter cable gland L(+) N(-) 1 – cap nut 2 – compression part 3 – basic part 7.1.2...
  • Page 58 7 Connection 7.1 Transducers FLUXUS F808 Fig. 7.5: Connection of the extension cable to the transmitter L(+) N(-) 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...
  • Page 59 7 Connection FLUXUS F808 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 60 7 Connection 7.1 Transducers FLUXUS F808 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 61 7 Connection FLUXUS F808 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 62 7 Connection 7.1 Transducers FLUXUS F808 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 63 7 Connection FLUXUS F808 7.1 Transducers Fig. 7.9: 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 64 7 Connection 7.1 Transducers FLUXUS F808 Messumformer FLUXUS F808**-F1 7.1.5 Connection of the transducer cable to the transmitter • Remove the blind plug for the connection of the transducer cable. • Insert the transducer cable through the cable conduit (approved for FM Class I, Division 1) into the housing.
  • Page 65 7 Connection FLUXUS F808 7.1 Transducers Fig. 7.11: Connection of the extension cable to the transmitter L(+) N(-) 10 mm 20 mm 70 mm 1 – external shield brushed back 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 66 7 Connection 7.1 Transducers FLUXUS F808 Fig. 7.12: Terminal board KFM1 1 – connection of the transducer cable 2 – connection of the extension cable 2020-06-25, UMFLUXUS_F808V2-2EN...
  • Page 67 7 Connection FLUXUS F808 7.1 Transducers Transmitter FLUXUS F808**-F2 7.1.8 Connection of the transducer cable to the transmitter For the installation of transducers with SMB connectors a SMB adapter is required. • Remove the blind plug for the connection of the transducer cable.
  • Page 68 7 Connection 7.1 Transducers FLUXUS F808 Tab. 7.13: Terminal assignment terminal connection white or marked cable (core) white or marked cable (internal shield) brown cable (internal shield) brown cable (core) Fig. 7.14: Connection of the extension cable to the transmitter...
  • Page 69 7 Connection FLUXUS F808 7.1 Transducers Fig. 7.15: Connection of the transducer cable with SMB connectors 1 – SMB connector 2 – cable gland 7.1.11 Connection of the extension cable to the junction box 7.1.11.1 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 70 7 Connection 7.1 Transducers FLUXUS F808 Fig. 7.16: Connection of the extension and transducer cable to the junction box cable gland 1 – extension cable 2 – external shield brushed back 3 – cap nut 4 – compression part 5 – basic part 6 –...
  • Page 71 7 Connection FLUXUS F808 7.1 Transducers Important! The external shield of the extension cable must not have electrical contact to the junction box. Therefore, the exten- sion cable has to remain completely insulated up to the shield terminal. • Fix the extension cable and the external shield to the shield terminal.
  • Page 72 7 Connection 7.1 Transducers FLUXUS F808 7.1.12 Transducer module (SENSPROM) The transducer module contains important transducer data for the operation of the transmitter with transducers. If transducers are replaced, the sensor module must also be replaced. Notice! The serial numbers of the transducer module and the transducer must be identical. A wrong or incorrectly connected sensor module will lead to incorrect measured values or to a measurement failure.

  • Page 73: Power Supply

    7.2.1 Cable connection (FLUXUS F808**-A1 and FLUXUS F808**F2 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 74: Outputs

    7 Connection 7.3 Outputs FLUXUS F808 Fig. 7.20: Cable gland 1 – cap nut 2 – compression part 3 – basic part Outputs Important! The max. permissible voltage between the outputs and against PE is 60 V DC (permanent). • Connect the output cable to the transmitter.
  • Page 75 7 Connection FLUXUS F808 7.3 Outputs Tab. 7.18: Circuit of the outputs output transmitter external circuit remark internal circuit connection active current output/HART current output F808**-A1 < 500 Ω F808**-F1 I1: 2 (+) = 24 V I1: 1 (-) HART...
  • Page 76 7 Connection 7.3 Outputs FLUXUS F808 Tab. 7.18: Circuit of the outputs output transmitter external circuit remark internal circuit connection RS485 120 Ω 2 (A+) termination resistor 3 (B-) shield The number, type and the connections of the outputs depend on the order.

  • Page 77: Serial Interface

    7 Connection FLUXUS F808 7.4 Serial interface Serial interface Connection 7.4.1 RS232 interface The RS232 interface can only be connected outside of an explosive atmosphere because the housing has to be opened, see Fig. 7.22. • 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 78: Start-Up

    8 Start-up FLUXUS F808 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 79: Start-Up Settings

    8 Start-up FLUXUS F808 8.1 Start-up settings Warning! Touching live parts Electric shock or arc faults can led to severe injuries. The measuring instrument can be damaged. → Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the transmitter has to be disconnected from the power supply.

  • Page 80: Switching On

    8 Start-up 8.2 Switching on FLUXUS F808 DATE The current date is displayed. • Press ENTER to confirm the date or to set the current date via the keys • Press ENTER. Switching on As soon as the transmitter is connected to the power supply, it is displayed which transducer has been detected at which channel.

  • Page 81: Hotcodes

    8 Start-up FLUXUS F808 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 in the program branch Special Funct.\SYSTEM settings. • Press ENTER. Input a HOTCODE •...

  • Page 82: Initialization

    8 Start-up 8.6 Initialization FLUXUS F808 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 83: Instrument Information

    8 Start-up FLUXUS F808 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 84: Measurement

    9 Measurement FLUXUS F808 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 85: Parameter Input

    9 Measurement FLUXUS F808 9.1 Parameter input Warning! Touching live parts Electric shock or arc faults can led to severe injuries. The measuring instrument can be damaged. → Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the transmitter has to be disconnected from the power supply.
  • Page 86 9 Measurement 9.1 Parameter input FLUXUS F808 9.1.1 Input of pipe parameters Outer pipe diameter/pipe circumference Parameter\Outer Diameter • Enter the outer pipe diameter. • Press ENTER. An error message will be displayed if the entered parameter is outside the range. The limit is displayed.
  • Page 87 9 Measurement FLUXUS F808 9.1 Parameter input Lining Parameter\Lining • Select yes if the pipe has a lining. Select no if the pipe has no lining. • Press ENTER. Lining material Parameter\Lining • Select the lining material. • Press ENTER.
  • Page 88 9 Measurement 9.1 Parameter input FLUXUS F808 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 18.3.
  • Page 89 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. UMFLUXUS_F808V2-2EN, 2020-06-25...

  • Page 90: Measurement Settings

    9 Measurement 9.2 Measurement settings FLUXUS F808 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. • Select the menu item Additional cable in the program branch Parameter.
  • Page 91 9 Measurement FLUXUS F808 9.2 Measurement settings 9.2.2 Input of the damping factor Each displayed measured value is a floating average of all measured values of the last x seconds, with x being the damping factor. A damping factor of 1 s means that the measured values are not averaged because the measuring rate is approx 1/s.
  • Page 92 9 Measurement 9.2 Measurement settings FLUXUS F808 • Select no to uninstall the output and to return to the previous menu item in order to select another output. • Press ENTER. Assignment of a source item One source item has to be assigned to each selected output.
  • Page 93 9 Measurement FLUXUS F808 9.2 Measurement settings 9.2.3.1 Output of the measured value When configuring an analog output, the output range is defined. • Select Special Funct.\SYSTEM settings\ Source item Proc. outputs\...\I1 Output range. Output range • Press ENTER. Error-value...
  • Page 94 9 Measurement 9.2 Measurement settings FLUXUS F808 Example v [m³/h] source item: volumetric flow rate output: current output output range: 4…20 mA error delay: > 0 (see section 9.2.5 and Tab. 9.3) The volumetric flow rate cannot be measured during the time interval t ...t...
  • Page 95 9 Measurement FLUXUS F808 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 96 9 Measurement 9.2 Measurement settings FLUXUS F808 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 97: Start Of The Measurement

    9 Measurement FLUXUS F808 9.3 Start of the measurement 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 the list item edit is selected in Special Funct.\Dialogs/Menus\Error-val.
  • Page 98 9 Measurement 9.3 Start of the measurement FLUXUS F808 Profile correction If With disturbance is selected in the menu item Special Funct.\SYSTEM settings\ Measuring\ProfileCorr 2.0, it has to be checked whether the measurement arrangement is appropriate. If the number of sound paths is odd and more than one measuring channel is activated, the following display appears: A: Alone at measp >NO<...
  • Page 99 9 Measurement FLUXUS F808 9.3 Start of the measurement 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 bar graph S= shows the amplitude of the received signal, see Fig. 9.1.

  • Page 100: Display Of Measured Values

    9 Measurement 9.4 Display of measured values FLUXUS F808 Tab. 9.4: Standard values for signal optimization transducer frequency max. difference between the optimum and the entered transducer distance [mm] (3rd character of the technical type) shear wave transducer Lamb wave transducer -60…+120...
  • Page 101 9 Measurement FLUXUS F808 9.4 Display of measured values 9.4.2 Adjustment of the display During the measurement, the display can be adapted in order to display 2 measured values at the same time (one in each line of the display). This does not affect totalizing, storing of measured values, transmission of measured values, etc.
  • Page 102 9 Measurement 9.4 Display of measured values FLUXUS F808 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 103: Execution Of Special Functions

    9 Measurement FLUXUS F808 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 F808 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 105 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 106: Problems With The Measurement

    Signal loss during the measurement • If there is no measuring signal after the pipe had been run empty and refilled, contact FLEXIM. • Wait a moment until the acoustic contact is reestablished. The measurement can be interrupted due to a temporarily higher proportion of gas bubbles and solids in the fluid.

  • Page 107: Significant Deviations Of The Measured Values

    10 Troubleshooting FLUXUS F808 10.5 Significant deviations of the measured values The pipe lining may cause problems during the measurement if it is not firmly attached to the inner pipe wall or consists of acoustically absorbing material Try to measure on a section of the pipe free from lining.

  • Page 108: Maintenance And Cleaning

    11 Maintenance and cleaning FLUXUS F808 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 109: Maintenance

    11 Maintenance and cleaning FLUXUS F808 11.1 Maintenance Warning! Touching live parts Electric shock or arc faults can led to severe injuries. The measuring instrument can be damaged. → Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the transmit- ter has to be disconnected from the power supply.

  • Page 110: Cleaning

    > 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 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.

  • Page 112: Dismounting And Disposal

    12 Dismounting and disposal FLUXUS F808 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 113: 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. UMFLUXUS_F808V2-2EN, 2020-06-25...

  • Page 114: Outputs

    13 Outputs 13.1 Installation of a binary output FLUXUS F808 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 115 13 Outputs FLUXUS F808 13.1 Installation of a binary output Function test of the binary output The function of the output can now be tested. • Connect an external measuring instrument to the terminals of the output. Special Funct.\SYSTEM settings\Proc. outputs\...\B1 Output Test\Reed-Relay OFF •...

  • Page 116: Activation Of A Binary Output As Pulse Output

    13 Outputs 13.2 Activation of a binary output as pulse output FLUXUS F808 13.2 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 117: Data Logger

    14 Data logger FLUXUS F808 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 118 14 Data logger 14.3 Configuration of the data logger FLUXUS F808 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. Special Funct.\SYSTEM settings\Storing\Start logger •...
  • Page 119 14 Data logger FLUXUS F808 14.3 Configuration of the data logger Notice! Storage mode = average The average of the physical quantity and other measurands assigned to the measuring channel, will be calculated. If the storage rate < 5 s is selected, sample will be used.

  • Page 120: Measurement With Activated Data Logger

    14 Data logger 14.4 Measurement with activated data logger FLUXUS F808 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 121: Information Relating The Data Logger

    14 Data logger FLUXUS F808 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 122: Data Transmission

    15 Data transmission 15.1 FluxDiagReader/FluxDiag FLUXUS F808 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 123 15 Data transmission FLUXUS F808 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 124: Transmission Parameters

    15 Data transmission 15.3 Transmission parameters FLUXUS F808 15.3 Transmission parameters • the transmitter sends CRLF-terminated ASCII • max. line length: 255 digits RS232 interface default: 9600 bits/s, 8 data bits, even parity, 2 stop bits, protocol RTS/CTS (hardware, handshake) The transmission parameters of the RS232 interface can be changed.

  • Page 125: Data Format

    15 Data transmission FLUXUS F808 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 126 15 Data transmission 15.5 Data structure FLUXUS F808 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 127: Advanced Functions

    16 Advanced functions FLUXUS F808 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 128: Noisetrek Parallel Beam Mode

    16 Advanced functions 16.2 NoiseTrek parallel beam mode FLUXUS F808 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. The flow totalizer will be reset to zero automatically when ±9999999999 is reached.

  • Page 129: Hybridtrek Mode

    16 Advanced functions FLUXUS F808 16.3 HybridTrek mode 16.3 HybridTrek mode The HybridTrek mode combines the TransitTime and the NoiseTrek mode. During a measurement in the HybridTrek mode, the transmitter automatically toggles between the TransitTime and the NoiseTrek mode depending on the gaseous or solid content in the fluid in order to receive valid measuring values.

  • Page 130: Upper Limit Of The Flow Velocity

    16 Advanced functions 16.4 Upper limit of the flow velocity FLUXUS F808 Example TT-Failed NoiseTrek: After 40s  NT-Failed TransTime: After 60s  NT-Ok,but check TT: Each 300s Keep TT checking: For 5s If no measurement is possible in the TransitTime mode within 40 s, the transmitter toggles to the NoiseTrek mode. If no measurement is possible in the NoiseTrek mode within 60 s, the transmitter toggles back to the TransitTime mode.

  • Page 131: Profile Correction

    16 Advanced functions FLUXUS F808 16.6 Profile correction Special Funct.\...\+Cut-off Flow • Enter the cut-off flow. • Press ENTER. All positive values of the flow velocity smaller than this limit are set to zero. Special Funct.\...\-Cut-off Flow • Enter the cut-off flow.

  • Page 132: Uncorrected Flow Velocity

    16 Advanced functions 16.7 Uncorrected flow velocity FLUXUS F808 16.7 Uncorrected flow velocity For special applications, the uncorrected flow velocity might be of interest. The profile correction for the flow velocity is activated in Special Funct.\SYSTEM settings\Measuring\Flow Velocity. Special Funct.\SYSTEM settings\Measuring\Flow Velocity •...
  • Page 133 16 Advanced functions FLUXUS F808 16.8 FastFood mode 16.8.1 Enabling/disabling the FastFood mode • Enter the HotCode 007022, see section 8.4. Enable FastFood • Select yes to enable the FastFood mode, no to disable it. • Press ENTER. Enable FastFood\FF-check (0=OFF) If the FastFood mode is enabled, a time t has to be entered.

  • Page 134: Diagnosis By Means Of The Snap Function

    16 Advanced functions 16.9 Diagnosis by means of the snap function FLUXUS F808 16.9 Diagnosis by means of the snap function By means of the snap function it is possible to store measuring parameters which are useful for the evaluation of measur- ing results or diagnosis purposes.

  • Page 135: Modification Of The Limit For The Inner Pipe Diameter

    16 Advanced functions FLUXUS F808 16.10 Modification of the limit for the inner pipe diameter 16.10 Modification of the limit for the inner pipe diameter It is possible to modify the lower limit of the inner pipe diameter for a given transducer type.

  • Page 136: Activation Of A Binary Output As Alarm Output

    16 Advanced functions 16.12 Activation of a binary output as alarm output FLUXUS F808 16.12 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 137 16 Advanced functions FLUXUS F808 16.12 Activation of a binary output as alarm output 16.12.2 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 138: Behavior Of The Alarm Outputs

    16 Advanced functions 16.13 Behavior of the alarm outputs FLUXUS F808 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 139 16 Advanced functions FLUXUS F808 16.13 Behavior of the alarm outputs 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 140 16 Advanced functions 16.13 Behavior of the alarm outputs FLUXUS F808 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 141: Superuser Mode

    17 SuperUser mode FLUXUS F808 17.1 Activation/deactivation 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 142: Defining Flow Parameters

    17.3 Defining flow parameters FLUXUS F808 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 143 17 SuperUser mode FLUXUS F808 17.3 Defining flow parameters 17.3.2 Correction of the flow velocity After the profile bounds have been defined, it is possible to define a correction of the flow velocity: = m · v + n where –...

  • Page 144: Limit Of The Signal Amplification

    17 SuperUser mode 17.4 Limit of the signal amplification FLUXUS F808 17.4 Limit of the signal amplification In order to prevent disturbing and/or pipe wall signals (e.g., if the pipe has run empty) from being interpreted as useful sig- nals, it is possible to define a max. signal amplification. If the signal amplification is greater than the max. signal amplifica- tion, •...

  • Page 145: Detection Of Long Measurement Failures

    17 SuperUser mode FLUXUS F808 17.6 Detection of long measurement failures Example fixed upper value of the sound speed (thresh.): 2007 m/s offset: 600 m/s value of the sound speed curve at the operating point: 1546 m/s As 1546 m/s + 600 m/s = 2146 m/s is greater than the fixed upper value 2007, this value will be used as the upper limit of the sound speed when the plausibility of the signal is evaluated.

  • Page 146: Manual Reset Of The Totalizers

    17 SuperUser mode 17.8 Manual reset of the totalizers FLUXUS F808 Total digits = Automatic The number of decimal places will be adjusted dynamically. Low totalizer values will initially be displayed with 3 decimal places. If the values of the totalizers are higher, the number of decimal places will be reduced.

  • Page 147: Display Of The Totalizer Sum

    17 SuperUser mode FLUXUS F808 17.9 Display of the totalizer sum 17.9 Display of the totalizer sum The totalizer sum of both flow directions can be displayed in the upper line during the measurement. Special Funct.\SYSTEM settings\Measuring\Miscellaneous\Show ΣQ • Select Special Funct.\SYSTEM settings\Measuring\Miscellaneous.

  • Page 148: Settings

    18 Settings 18.1 Dialogs and menus FLUXUS F808 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 149 18 Settings FLUXUS F808 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 enter the fluid pressure in the program branch Parameter. Select off if 1 bar is to be used for all calcula- tions.
  • Page 150 18 Settings 18.1 Dialogs and menus FLUXUS F808 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 151: Measurement Settings

    18 Settings FLUXUS F808 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 152 18 Settings 18.2 Measurement settings FLUXUS F808 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 153: Libraries

    18 Settings FLUXUS F808 18.3 Libraries 18.3 Libraries The internal material database of the transmitter contains parameters for pipe and lining materials as well as for fluids. The material and fluid scroll list displayed in the program branch Parameter can be arranged. Shorter scroll lists make work more effective.
  • Page 154 18 Settings 18.3 Libraries FLUXUS F808 18.3.2 Adding a material/fluid to the scroll list Special Funct.\...\Material list\user\Add Material • Select Add Material or Add Medium to add a material/fluid to the scroll list. • Press ENTER. All materials/fluids that are not contained in the current scroll list will be displayed in the lower line.

  • Page 155: Contrast Settings

    18 Settings FLUXUS F808 18.4 Contrast settings 18.4 Contrast settings Special Funct.\SYSTEM settings\Miscellaneous • Select Special Funct.\SYSTEM settings\Miscellaneous. • Press ENTER. Special Funct.\SYSTEM settings\Miscellaneous\SETUP DISPLAY • Select Special Funct.\SYSTEM settings\Miscellaneous to set the display contrast of the transmitter. The display contrast is adjusted with the following keys:...
  • Page 156 18 Settings 18.5 Program code FLUXUS F808 18.5.2 Intervention in the measurement If a program code is activated, the message PROGRAM CODE ACTIVE will be displayed for a few seconds when a key is pressed. The input of a program code is interrupted by pressing key CLR.

  • Page 157: Annex

    Annex FLUXUS F808 A Menu structure Annex Menu structure Program branches Parameter Measuring Output Options Special Funct. Pipe parameters Measuring point number Physical quantity System settings Fluid parameter Number of sound paths Unit of measurement → Dialogs and menus → Measurement...
  • Page 158 Annex A Menu structure FLUXUS F808 Parameter input (see chapter 9) Main menu Parameter Outer Diameter Wall Thickness Pipe Material Lining Lining Liner Thickness Roughness Disturb.distance Medium Medium Temperat. Transducer Type Special Version Standard → Transd. Data 1 → Transd. Data 2 →...
  • Page 159 Annex FLUXUS F808 A Menu structure Measurement settings (see chapter 9) Main menu Output Options Physic. Quant. Unit of measurement Damping UMFLUXUS_F808V2-2EN, 2020-06-25...
  • Page 160 Annex A Menu structure FLUXUS F808 Data logger (see chapter 14) Main menu Main menu Special Funct. Output Options SYSTEM settings ENTER until Store Meas.Data Storing Start logger Ringbuffer Storage Rate Storage mode sample average Main menu Quantity Storage Special Funct.
  • Page 161 Annex FLUXUS F808 A Menu structure Measurement start (see chapter 9) Main menu Measuring 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.\...
  • Page 162 Annex A Menu structure FLUXUS F808 Configuration of the outputs (see chapter 9) Main menu Main menu Special Funct. Output Options ENTER until SYSTEM settings Current Loop Proc. outputs Install Output Zero-Scale Val. → Current → Binary Full-Scale Val. enable...
  • Page 163 Annex FLUXUS F808 A Menu structure SuperUser mode (see chapter 17) Main menu Special Funct. SYSTEM settings Calibration Measuring Miscellaneous factory user ENTER until Laminar flow Gain threshold Turbulent flow Bad soundspeed Calibration → thresh. → offset ENTER until Slope Do not total.
  • Page 164 Annex A Menu structure FLUXUS F808 Alarm output (see chapter 16) Main menu Main menu Special Funct. Output Options SYSTEM settings ENTER until Proc. outputs Alarm Output Install Output → Binary func mode enable → MAX → QUANT. → +→- -→+ →...

  • Page 165: B Units Of Measurement

    Annex FLUXUS F808 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 166 Annex B Units of measurement FLUXUS F808 Volumetric flow rate unit of measurement description volume (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 167 Annex FLUXUS F808 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 168: 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 169 Annex FLUXUS F808 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 170 Annex C Reference FLUXUS F808 fluid (display) explanation sound speed [m/s] kinematic viscosity 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 171 Annex FLUXUS F808 C Reference Properties of water at 1 bar and at saturation pressure fluid temperature fluid pressure sound speed density specific heat capacity [°C] [bar] [m/s] [kg/m³] [kJ/kg/K 1,013 1402.9 999.8 4,219 1,013 1447.3 999.7 4,195 1,013 1482.3 998.2...

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