Burkert 8041 Operating Instructions Manual
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Burkert 8041 Operating Instructions Manual

Insertion electromagnetic flowmeter
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Type 8041
Insertion electromagnetic flowmeter
Magnetisch-induktives Durchfluss-Messgerät, Insertion
Débitmètre électromagnétique à insertion
Operating Instructions
Bedienungsanleitung
Manuel d'utilisation

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  • Page 1 Type 8041 Insertion electromagnetic flowmeter Magnetisch-induktives Durchfluss-Messgerät, Insertion Débitmètre électromagnétique à insertion Operating Instructions Bedienungsanleitung Manuel d’utilisation...
  • Page 2 We reserve the right to make technical changes without notice. Technische Änderungen vorbehalten. Sous réserve de modifications techniques. © Bürkert SAS, 2011 – 2023 Operating Instructions 2306/05_EU-ML 00559777 / Original_EN...

  • Page 3: Table Of Contents

    8.2.1. Recommendations for installing the 8041 on 5.4. Symbols on the device ..........10 the pipe ..............19 8.2.2. Installation into the pipe of a 8041 with a G2" nut . 22 8.2.3. Installation into the pipe of a 8041 with a clamp connection ..........23...
  • Page 4 Type 8041 8.3. Wiring ................23 10. MAINTENANCE AND TROUBLESHOOTING ...... 51 8.3.1. Wiring the 4...20 mA output ........26 10.1. Safety instructions ............51 8.3.2. Wiring the frequency output........27 10.2. Cleaning the device ............. 51 8.3.3. Wiring the relay output ........... 28 10.3.

  • Page 5: About These Operating Instructions

    Definition of the word "device" injury. The word "device" used within these Operating Instructions WARNING refers to the flowmeter type 8041. Warns against a potentially dangerous situation. ▶ Failure to observe this warning can result in serious injury or even death.

  • Page 6: Intended Use

    Operating Instructions. ▶ Stop the circulation of fluid, cut off the pressure and drain ▶ Never use the flowmeter type 8041 for security applications. the pipe before loosening the process connections. ▶ Protect this device against electromagnetic interference, Risk of injury due to electrical voltage.
  • Page 7 Type 8041 Basic safety information NOTICE The device may be damaged by the fluid in contact with. Various dangerous situations ▶ Systematically check the chemical compatibility of the To avoid injury take care: component materials of the device and the fluids likely to ▶...

  • Page 8: General Information

    The device requires an 18...36 V DC power supply and has: • a frequency output, 4.3. Information on the Internet • a relay output, You can find the Operating Instructions and technical data sheets • a 4...20 mA current output. regarding the type 8041 at: country.burkert.com. english...

  • Page 9: 5.2.2. Operating Principle

    Fig. 1. The electrodes on the flow sensor ensure electrical contact with FLOW: 8041 SST LONG SUPPLY: 18-36V... 220mA the fluid. When the fluid flows over them, a voltage is measured PULSE: 5-36V...

  • Page 10: Symbols On The Device

    Type 8041 Technical data 5.4. Symbols on the device TECHNICAL DATA Symbol Description 6.1. Conditions of use Direct current –10...+60 °C Ambient temperature < 80 %, non condensated Air humidity Alternating current Height above see max. 2000 m level Earth terminal Operating conditions Continuous...

  • Page 11: Standards And Directives

    Type 8041 Technical data 6.2. Standards and directives 6.2.2. UL-Certification The devices with variable key PU01 or PU02 are UL-certified The device complies with the relevant EU harmonisation leg- products and comply also with the following standards: islation. In addition, the device also complies with the require- ments of the laws of the United Kingdom.

  • Page 12: Mechanical Data

    Type 8041 Technical data 6.3. Mechanical data Table 1: Wetted parts Part Material Holder of the Earthing ring flow sensor PVDF or stainless steel Holder of the flow sensor 1.4404 / 316L Stainless steel Electrodes Electrodes 1.4404 / 316L holder Electrodes Stainless steel Clamp (only clamp version) 1.4404 / 316L...

  • Page 13: Dimensions Of Device

    Flow rate measurement • Measuring range • 0.2...10 m/s  → Please refer to the technical data sheets regarding the type 8041 avalaible at: country.burkert.com. • Linearity • ±0.5 % of the full scale (10 m/s) • Repeatability • ±0.25 % of the measured value ...
  • Page 14 Type 8041 Technical data P (bar) P [bar] (PN10) PVDF  / Metal Metal DN100 for (PN16) measuring devices PVC + PP PVDF with a clamp connection (PN10) PVC (PN10) PVC + PP PVDF (PN10) PVC (PN10) PP (PN10) PP (PN10) +20 +40 +60 +80 +100 +120 +150 T [°C]...

  • Page 15: Electrical Data

    Type 8041 Technical data 6.6. Electrical data • Max current • 100 mA max. • Protected against • yes Operating voltage • 18...36 V DC, short-circuits and • filtered and regulated polarity reversal • oscillation rate: ±5 % Relay output To use the relay outputs in a wet location, observe the following •...

  • Page 16: Electrical Connections Data

    Type 8041 Technical data 6.7. Electrical connections data The following formulae are used to calculate the K1 and K2 factors needed to convert the current or frequency into a flow Type of connection Through 2 M20x1.5 cable glands rate: ▶ Cable type ▶...

  • Page 17: Quick Installation

    Type 8041 Quick installation QUICK INSTALLATION → Select the measuring range → Unpack the device. with switches 4 and 5, see chapter 9.6. → Install the device on the pipe. Contact your Bürkert Article number agent correct? → Thread the cables through the...
  • Page 18 Type 8041 Quick installation No, see chapter 10.5 Green LED flashes once? Calibrate the full scale of the installation? → Put the cover on the device as described in Fig. 16, chapter 8.3. → Tighten the 4 screws of the cover → Calibrate the full scale, see in an alternating pattern.

  • Page 19: Installation

    ▶ Shut down the electrical power source of all the conductors 8.2. Installation onto the pipe and isolate it before carrying out work on the system. ▶ Observe all applicable accident protection and safety regula- tions for electrical equipment. 8.2.1. Recommendations for installing the 8041 on the pipe english...
  • Page 20 Type 8041 Installation → Choose a fitting appropriate to the velocity of the fluid inside the pipe; refer to the graphs below: Not recommended flow rate english...
  • Page 21 Type 8041 Installation → Install the device on the pipe to have the upstream and → Respect the following additional mounting conditions to downstream distances respected according to the design of ensure that the measuring device operates correctly: the pipes, refer to standard EN ISO 5167-1 and Fig. 7: - We recommend to install the device at a 45°...

  • Page 22: Installation Into The Pipe Of A 8041 With A G2" Nut

    Type 8041 Installation 8.2.2. Installation into the pipe of a 8041 with Horizontal mounting a G2" nut Observe the installation recommendations described at chapter 8.2.1 and in the Operating Instructions of the Correct Incorrect S020. Vertical mounting → Install the S020 fitting (mark 4, Fig. 11) on the pipe.

  • Page 23: Installation Into The Pipe Of A 8041 With A Clamp Connection

    Type 8041 Installation 8.2.3. Installation into the pipe of a 8041 with 8.3. Wiring a clamp connection DANGER Observe the installation recommendations described at chapter 8.2.1 and in the Operating Instructions of the Risk of injury due to electrical voltage. S020.
  • Page 24 Type 8041 Installation → Protect the power supply by means of a 300 mA fuse Selector  : Sink/source and a switch. selector of the 4...20 mA → Do not install the cables near high voltage or high 1 2 3 4 5 6 output frequency cables.
  • Page 25 Type 8041 Installation NOTICE Make sure the installation is equipotential (power supply - 8041): The device is not tight if only one or none of the cable glands → Connect together the various earth spots in the instal- is used lation to eliminate the potential differences that may ▶...

  • Page 26: Wiring The 4

    Wiring the 4...20 mA output Power cable shield 18...36 V DC The current output of the 8041 can be connected to a PLC or a Power supply valve, either in sourcing mode or in sinking mode. → Set the selector of the electronic board to the sourcing or the sinking position (see Fig. 17 or Fig. 18).

  • Page 27: 8.3.2. Wiring The Frequency Output

    Type 8041 Installation Power supply 300 mA 4...20 mA input at external instrument 18...36 V DC Input Selector to sink 1 2 3 4 5 6 1 2 3 4 5 6 8041 4...20 V+ V- PE Pls+Pls- 4...20 V+ V- PE Pls+Pls- * If direct earthing is not possible, connect a 100 nF/50 V condensator...

  • Page 28: 8.3.3. Wiring The Relay Output

    Type 8041 Installation 8.3.3. Wiring the relay output V+ 0V DANGER Danger due to the operation of the relay outputs of a UL device in a wet location. ▶ If a UL device is used in a wet location: 1 2 3 4 5 6...
  • Page 29 Type 8041 Installation Power supply 18...36 V DC Power supply 18...36 V DC 300 mA 300 mA 1 2 3 4 5 6 3 4 5 6 250 V AC 250 V AC 4...20 V+ V- PE Pls+Pls- 4...20 V+ V-...

  • Page 30: Adjustment And Commissioning

    Type 8041 Adjustment and commissioning ADJUSTMENT AND WARNING COMMISSIONING Danger due to non-conforming commissioning. Non-conforming commissioning can lead to injuries and 9.1. Safety instructions damage the device and its surroundings. DANGER ▶ Before commissioning, make sure that the staff in charge have read and fully understood the contents of these Operat- Risk of injury due to electrical voltage.

  • Page 31: Description Of The Electronic Board

    Type 8041 Adjustment and commissioning 9.2. Description of the electronic board The device has 2 operating modes: the Read mode and the Parameterizing mode. The functions of each mode are summa- rised in the following table. Operating mode Functions Read To view: •...
  • Page 32 Type 8041 Adjustment and commissioning Red led: Green LED: 1 2 3 4 5 6 : device in Read mode ..4...20 V+ V- PE Pls+Pls- Flashing once every second: the device is energized. : device in Parameterizing mode Flashing once up to 5 times: to know which parameter the bargraph is indicating ..

  • Page 33: General Diagram Of The Read And Parameterizing Modes

    Type 8041 Adjustment and commissioning 9.3. General diagram of the Read and Parameterizing modes Read mode Parameterizing mode Calibration in progress Flow zero calibration alternately Confirm the Hold > 2 s Release when Full scale calibration choice displayed desired function is displayed* Hold > 2 s * If no action for 10 s, the device goes back to Read mode, using the parameters from the previous adjustment.
  • Page 34 Type 8041 Adjustment and commissioning Relay Hysteresis switching Confirm the choice displayed alternately Current way of Release when Hold > 2 s Window switching switching* desired function is displayed* Hold > 2 s Short press Current low switching ..Hold > 2 s Unit increment: LED The LEDs then come...

  • Page 35: Selecting The Frequency Of The Main Supply

    Type 8041 Adjustment and commissioning 9.4. Selecting the frequency of the When the filter is enabled, switch 3 is used to select the filter level: slow or fast. main supply "Slow" filter is used to even out high variations in flow (example: Switch 1 is used to select the frequency of the current provided...

  • Page 36: Selecting The Measurement Range

    Type 8041 Adjustment and commissioning 9.7. Calibrating the flow zero point Filter Position of switch 3 slow → Calibrate the device on commissioning and after each (Response time 10...90 % = 14 s) maintenance task. fast • Before calibrating the zero point on commissioning: (Response time 10...90 % = 5 s) →...
  • Page 37 Type 8041 Adjustment and commissioning Device in Read mode? Notation convention: See general configuration diagram, chapter 9.3 ..Red LED state Green LED state → Press and hold the push button. After 2 s, device is in Parameterizing mode: ..Step 1...
  • Page 38 Type 8041 Adjustment and commissioning To calibrate automatically To select the calibration of the To go back to the Read mode other parameter → Briefly press push button. → Wait for 10 s. → Press and hold the push button until...

  • Page 39: Calibrating The Full Scale

    Type 8041 Adjustment and commissioning 9.8. Calibrating the full scale Full scale error The Fig. 29 and the Fig. 30 show the relation between the measured fluid velocity and the value of the frequency or current provided by the outputs. Full scale error Full scale + 20 %...
  • Page 40 Type 8041 Adjustment and commissioning Device in Read mode? Notation convention: See general configuration diagram, chapter 9.3 ..Red LED state Green LED state → Press and hold the push button. After 2 s, device is in Parameterizing mode: ..
  • Page 41 Type 8041 Adjustment and commissioning To calibrate automatically To select the calibration of the To go back to the Read mode other parameter → Briefly press push button. → Wait for 10 s. → Press and hold the push button until...

  • Page 42: Setting The Parameters Of The Relay Output

    Type 8041 Adjustment and commissioning 9.9. Setting the parameters of the relay output The Fig. 33 shows the behaviour of the relay output depending on the parameter settings and the measured velocity. High threshold Low threshold Connection of the relay output...

  • Page 43: Choosing The Switching Way Of The Relay Output

    Type 8041 Adjustment and commissioning Fig. 34: Change of state of the relay output in window switching The wiring of the relay determines the function of the with a relay wired as NO relay: Normally Open (NO) or Normally Closed (NC). State of the relay output The following parameters of the relay output can be set: actived - the switching way: window or hysteresis (see chapter 9.9.1)
  • Page 44 Type 8041 Adjustment and commissioning State of the relay output See general con- Device in Read mode? actived figuration diagram, ..chapter 9.3 deactivated Low threshold High threshold → 1 short press on push button. Fig. 37: Change of state of the relay output in hysteresis switching with a relay wired as NC → Select the way of switching of the relay (see Fig. 38 and 1 2 3 4 5 6 7 8 9 10 Fig. 39).

  • Page 45: 9.9.2. Viewing And Setting The Low And High Switching Thresholds

    Type 8041 Adjustment and commissioning → Release push button when bargraph shows desired way of switching. To confirm the selection and go back To choose the other way of switching To go back to Read mode without to Read mode confirming the selection →...
  • Page 46 Type 8041 Adjustment and commissioning See general con- Notation convention: Device in Read mode? figuration diagram, ..chapter 9.3 Red LED state Green LED state FS = Full scale To view low switching threshold To view high switching threshold → Press push button twice briefly →...
  • Page 47 Type 8041 Adjustment and commissioning If high switching threshold set to 82 %, LED no. 9 If low switching threshold set to 24 %, LED no. 3 flashes 9 times then stays on; flashes 9 times then stays on; 1 flash = 1 % of the FS 1 flash = 1 % of the FS...

  • Page 48: 9.9.3. Viewing And Setting The Time Delay Before Switching

    Type 8041 Adjustment and commissioning To confirm the selection and go To modify the value displayed To go back to Read mode back to Read mode without confirming the value set. → Press and hold the push → Briefly press push button.
  • Page 49 Type 8041 Adjustment and commissioning Notation convention: ..Red LED state Green LED state If time delay before switching set to 52 s, LED no. 6 flashes 9 times then stays on Device in Read mode? See general con- figuration dia- ..Next LEDs come on one after the other gram, chapter 9.3...
  • Page 50 Type 8041 Adjustment and commissioning To go back to Read mode without To modify the seconds of the To go back to Read mode without confirming the value set. time delay before switching. confirming the value set. → Press and hold the push →...

  • Page 51: Maintenance And Troubleshooting

    Type 8041 Maintenance and troubleshooting MAINTENANCE AND WARNING TROUBLESHOOTING Risk of injury due to non-conforming maintenance. ▶ Maintenance must only be carried out by qualified and 10.1. Safety instructions skilled staff with the appropriate tools. DANGER ▶ Guarantee a set or controlled restarting of the process sub- sequent to any intervention.

  • Page 52: Replacing The Seal On A Device With G2" Nut

    Type 8041 Maintenance and troubleshooting 10.4. Replacing the seal on a device 10.5. If you encounter problems with G2" nut DANGER NOTE Risk of injury due to high pressure in the installation. Do not scratch the seal groove. ▶ Stop the circulation of fluid and cut off the pressure before loosening the process connections.
  • Page 53 Type 8041 Maintenance and troubleshooting Current or Bargraph Green LED frequency Problem Red LED state Meaning / Cause Recommended action state state output state The device Flashes once Flashes once 22 mA and Measuring range → Clear the error by briefly pressing...
  • Page 54 Type 8041 Maintenance and troubleshooting Current or Bargraph Green LED frequency Problem Red LED state Meaning / Cause Recommended action state state output state → Connect the device. The sensor 0 mA The device is not does not connected. → Replace the fuse.
  • Page 55 Type 8041 Maintenance and troubleshooting Current or Bargraph Green LED frequency Problem Red LED state Meaning / Cause Recommended action state state output state The electrodes are dirty. → Clean the electrodes (see The flow rate Unstable Flashes once > 4 mA...

  • Page 56: Spare Parts And Accessories

    EPDM seal with FDA agreement (for a 8041 730 837 - 2 M20x1.5 / NPT 1/2" reductions with a clamp connection) - 2 neoprene flat seals for cable glands FEP seal with FDA agreement (for a 8041 with 730 839 - 2 M20x1.5 screw plugs a clamp connection) english...

  • Page 57: Packaging, Transport

    Type 8041 Storage STORAGE Spare parts Article number Clamp collar 731 164 CAUTION Set of: 565 384 Poor storage can damage the device. - 1 blanking plug for an M20 x 1.5 cable ▶ Store the device in a dry place away from dust.
  • Page 58 Type 8041 Storage english...
  • Page 60 www.burkert.com...

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