Burkert 8202 Operating Instructions Manual
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Burkert 8202 Operating Instructions Manual

Ph- or redox-meter
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Type 8202
ELEMENT
pH- or redox-meter
pH- oder Redox-Messgerät
pH- ou redox-mètre
Operating Instructions
Bedienungsanleitung
Manuel d'utilisation

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Summary of Contents for Burkert 8202

  • Page 1 Type 8202 ELEMENT pH- or redox-meter pH- oder Redox-Messgerät pH- ou redox-mètre 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, 2008 - 2021 Operating Instructions 2106/06_EU-ML 00560329 / Original_FR...

  • Page 3: Table Of Contents

    ....................................10 4.1 Warranty conditions ................................10 4.2 information on the internet ............................10 4.3 Description ....................................11 Area of application ................................11 5.1 5.2 construction of the 8202 ...............................11 5.3 ph or redox ("orp") probe ............................11 5.4 type label ....................................12 technicAl DAtA ...................................13 conditions of use ................................13 6.1 conformity to standards and directives ........................13 6.2 6.2.1 Conformity to the Pressure Equipment Directive ..............13 6.2.2...
  • Page 4 Type 8202 ELEMENT  7.3 mounting the housing lid ..............................21 7.4 mounting the display module .............................21 7.5 Dismounting the display module ..........................22 7.6 install the ph or redox probe into the holder (without fluid) ..............22 7.7 mounting the electronic module to the sensor holder (without fluid) ..........23 instAllAtion AnD Wiring ..............................24 safety instructions ................................24 8.1 installing a device on the pipe ...........................25 8.2 Wiring .......................................28 8.3 8.3.1 Assembling the male or female connector (accessories) ............28 8.3.2 Making the installation equipotential .....................28 8.3.3...
  • Page 5 Type 8202 ELEMENT  9.11.6 Displaying the lowest and highest values measured ..............50 9.11.7 Setting the display contrast and brightness ................50 9.11.8 Choosing the output wiring mode ....................51 9.11.9 Setting the parameters of the current outputs ................51 9.11.10 Setting the parameters of the transistor outputs ...............53 9.11.11...
  • Page 6 Type 8202 ELEMENT  spAre pArts AnD Accessories ............................78 pAcKAging, trAnsport ................................79 storAge ......................................79 DisposAl of the DEVICE ................................79 English...

  • Page 7: About The Operating Instructions

    "Basic safety information" and "Intended use". ▶ Irrespective of the device variant, the Operating Instructions must be read and understood. 1.1 Definition of the word "device" The word "device" used within these Operating Instructions refers to the Type 8202 ELEMENT pH-meter and redox-meter. 1.2 Validity of the operating instructions The Operating Instructions are valid for the Type 8202 ELEMENT pH-meter and redox-meter, version V2, .

  • Page 8: Intended Use

    The Type 8202 ELEMENT pH-meter and redox-meter is intended for the measurement of one of the following physical quantities: - the pH in clean liquids or liquids containing solids, sulphides or proteins. - the oxidation reduction potential in clean liquids or liquids containing solids, sulphides or proteins which may present low conductivity.
  • Page 9 Type 8202 ELEMENT AbouttheOperatingInstructions risk of burns due to high fluid temperatures. ▶ Use safety gloves to handle the device. ▶ Before opening the pipe, stop the circulation of fluid and drain the pipe. ▶ Before opening the pipe, make sure the pipe is completely empty. risk of injury due to the nature of the fluid. ▶ Respect the prevailing regulations on accident prevention and safety relating to the use of dangerous fluids.

  • Page 10: General Information

    The condition governing the legal warranty is the conforming use of the device in observance of the operating conditions specified in the Operating Instructions. 4.3 information on the internet You can find the Operating Instructions and technical data sheets for Type 8202 at: country.burkert.com English...

  • Page 11: Description

    Type 8202 ELEMENT Description DEscripTioN 5.1 Area of application The device is intended solely for the measurement of: • the pH in clean liquids or liquids containing solids, sulphides or proteins. • or the oxidation reduction potential ("ORP") in clean liquids or liquids containing solids, sulphides or proteins which may present low conductivity.

  • Page 12: Type Label

    1. Type of the device, measured quantity 2. Device version 3. Maximum power consumption 4. Nominal pressure of the fluid. The nominal pressure that is given on the Type label of a Type 8202 ELEMENT device is valid for a device without probe. 5. Manufacturing code 6.

  • Page 13: Technical Data

    Type 8202 ELEMENT Technicaldata TEchNicAL DATA 6.1 conditions of use Ambient temperature –10...+60 °C, without pH probe or redox probe Air humidity < 85%, without condensation Indoor and outdoor ▶ Protect the device against electromagnetic interference, ultravio- let rays and, when installed outdoors, the effects of the climatic conditions.

  • Page 14: Ul Certification

    Type 8202 ELEMENT Technicaldata • Device used on a vessel (PS = maximum admissible pressure) type of fluid conditions PS ≤ 200 bar Fluid group 1, Article 4, Paragraph 1.a.i PS ≤ 1000 bar Fluid group 2, Article 4, Paragraph 1.a.i PS ≤ 500 bar Fluid group 1, Article 4, Paragraph 1.a.ii...

  • Page 15: Mechanical Data

    • PVDF, stainless steel 1.4571 PVC or PVDF (316Ti) • Seal of the sensor • EPDM PVDF holder • pH probe or Redox • refer to the Oper- Stainless steel probe ating Instructions of 1.4571 (316Ti) the probe Fig. 2:  Materials used in the Type 8202 ELEMENT pH and redox-meter (without the probe)  English...

  • Page 16: Fluid Data

    Type 8202 ELEMENT Technicaldata 6.5 fluid data pipe diameter DN25 to DN110 (DN15 to DN20 under specific conditions) type of fitting Type S022 nut between the 8202 and the fitting G 1 1/2'' internal thread fluid temperature The fluid temperature may be restricted by the probe used. Refer to the related Operating Instructions.
  • Page 17 Type 8202 ELEMENT Technicaldata • A: application range of a 8202 with a PVDF P (bar) P (psi) • B: application range of a 8202 with a PVC nut 217.6 PVDF 188.6 The measures have been made at an ambient 159.6 temperature of 60 °C 130.6...

  • Page 18: Electrical Data

    Type 8202 ELEMENT Technicaldata 6.6 Electrical data operating voltage • Device variant with 3 outputs • 14...36 V DC • connection to main supply: permanent through external safety extra- low voltage (SELV) and through limited power source (LPS) • filtered and regulated • Device variant with 4 outputs •...

  • Page 19: Data Of Connectors And Cables

    Type 8202 ELEMENT Technicaldata 6.7 Data of connectors and cables number of fixed connectors type of connectors 1 male M12 fixed connector 5-pin female M12 connector (not supplied). For the M12 connector with article number 917116, use a shielded cable: • diameter: 3...6.5 mm • wire cross section: max. 0.75 mm...

  • Page 20: Assembly

    Type 8202 ELEMENT Assembly AssEMbLy 7.1 safety instructions Danger risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it. ▶ Observe all applicable accident protection and safety regulations for electrical equipment.

  • Page 21: Mounting The Housing Lid

    Type 8202 ELEMENT Assembly 7.3 Mounting the housing lid → Check that there is a seal on the housing and that it is not damaged. Replace the seal if necessary. → Grease the seal if necessary, using a component compatible with the seal material. → [1] Set the housing lid to ensure that the 4 grooves of the housing lid match with the 4 pins of the housing.

  • Page 22: Dismounting The Display Module

    Type 8202 ELEMENT Assembly 7.5 Dismounting the display module → Remove the housing lid if necessary. Refer to chpt. 7.2. → Turn the display module by ca. 20° counterclockwise. Once unlocked, the display module is raised slightly by the spring action. 20° → Remove the display module from its housing.

  • Page 23: Mounting The Electronic Module To The Sensor Holder (Without Fluid)

    Type 8202 ELEMENT Assembly 7.7 Mounting the electronic module to the sensor holder (without fluid) → Make sure that the pH or redox probe is mounted into the sensor holder. Refer to chpt. 7.6. → Make sure that seal "A" on the holder is in good condition. Replace it if necessary.

  • Page 24: Installation And Wiring

    Type 8202 ELEMENT Installationandwiring iNsTALLATioN AND WiriNg 8.1 safety instructions risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it. ▶ If the device is installed either in a wet environment or outdoors, all the electrical voltages must be of max.

  • Page 25: Installing A Device On The Pipe

    Type 8202 ELEMENT Installationandwiring 8.2 installing a device on the pipe Danger risk of injury due to high pressure in the installation. ▶ Before any intervention in the installation, stop the circulation of fluid, cut off the pressure and drain the pipe. ▶ Before any intervention in the installation, make sure there is no pressure in the pipe.
  • Page 26 Type 8202 ELEMENT Installationandwiring → Once the device has been calibrated, remove the electronic module from the sensor holder as shown Fig. 14. → Unscrew the nut of the electronic module. → Remove the electronic module by pulling it straight out. There may be a resistance due to the seal.
  • Page 27 Type 8202 ELEMENT Installationandwiring → If the sensor holder is tight, insert the electronic module back onto the sensor holder as shown in Fig. 16. → Check that the electrical contacts are in good condition and clean them with a brush if necessary.

  • Page 28: Wiring

    Type 8202 ELEMENT Installationandwiring 8.3 Wiring Danger risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it. ▶ If the device is installed either in a wet environment or outdoors, all the electrical voltages must be of max.
  • Page 29 Type 8202 ELEMENT Installationandwiring → If the device is installed on plastic pipes, earth together the metallic equipment such as pumps or valves, that is as close as possible to the device. Refer to Fig. 19. Power supply Metal pipe Fig. 18:  Equipotentiality skeleton diagram with pipes in metal ...

  • Page 30: Wiring A Device Variant With A Single M12 Fixed Connector

    Type 8202 ELEMENT Installationandwiring 8.3.3 Wiring a device variant with a single M12 fixed connector Transistor output 1 V+ (14...36 V DC) Transistor output 2 Fig. 20:  Pin assignment of the fixed connector on a device variant with a single M12 fixed connector  pin for the female m12 connector available as an accessory (article number 438680) colour of the wire brown white blue black green/yellow or grey Load 1 (solenoid valve for instance) white brown black green/yellow or grey Load 2 blue...
  • Page 31 Type 8202 ELEMENT Installationandwiring 4...20 mA input at external 4...20 mA input at external device device blue brown brown green/yellow green/yellow or grey or grey blue Power supply Power supply 14-36 V DC 14-36 V DC Fig. 23:  Possible wirings of the current output (whatever the software setting, "NPN/sink" or "PNP/source", see chpt. 9.11.8),  of a device variant with 1 M12 fixed connector 4...20 mA input at external device...

  • Page 32: Wiring A Device Variant With 2 M12 Fixed Connectors

    Type 8202 ELEMENT Installationandwiring 8.3.4 Wiring a device variant with 2 M12 fixed connectors Transistor output 1 Transistor output 2 (12...36 V DC) (12...36 V DC) Current output 2 Current output 1 female fixed connector male fixed connector Fig. 26:  Pin assignment of the male and female M12 fixed connectors Connect the power supply for the device to the male fixed connector; the supply is then transferred internally to pins 1 and 3 of the female fixed connector in order to ease wiring of the load to the female fixed connector.
  • Page 33 Type 8202 ELEMENT Installationandwiring Load 2 (solenoid valve for instance) Load 1 (solenoid valve for instance) white white brown blue blue green/yellow or grey Power supply 12-36 V DC Fig. 28:  PNP wiring of both transistor outputs of a device variant with 2 fixed connectors (software setting "PNP/source", see  chpt. 9.11.8)  4...20 mA input at external 4...20 mA input at external...
  • Page 34 Type 8202 ELEMENT Installationandwiring Load 1 Load 2 white white brown blue brown green/ black yellow or grey black 12-36 V DC 4...20 mA input at external 4...20 mA input at external device device Power supply Fig. 31:  NPN wiring of both transistor outputs and wiring of both current outputs in sinking mode, on a device variant with 2  fixed connectors (software setting "NPN/sink", see chpt. 9.11.8) Load 1 Load 2...

  • Page 35: Adjustment And Start-Up

    Type 8202 ELEMENT Adjustmentandstart-up ADjusTMENT AND sTArT-up • The settings can only be done on a device with a display module. • Do not remove the display module while making the settings on the device. 9.1 safety instructions Warning risk of injury due to non-conforming adjustment. Non-conforming adjustment could lead to injuries and damage the device and its surroundings.

  • Page 36: Using The Navigation Button

    Type 8202 ELEMENT Adjustmentandstart-up configuration level This level comprises 5 menus: menu title relevant icon "Param": see chpt. 9.11 This is when the device is be- ing parame- tered........ "Calib": see chpt. 9.12 "Diagnostic": see chpt. 9.13 "Test": see chpt. 9.14 "Info": see chpt. 9.15 9.3...
  • Page 37 Type 8202 ELEMENT Adjustmentandstart-up you want to... press..browse in Process level • next screen: • previous screen: • ...access the Configuration level • ...display the Param menu for at least 2 sec., from any screen of the Process level ...browse in the menus of the Configuration level •...

  • Page 38: Using The Dynamic Functions

    Type 8202 ELEMENT Adjustmentandstart-up 9.4 using the dynamic functions you want to... choose..go back to the Process level, without validating the modifica- dynamic function "MEAS" tions made ...validate the input dynamic function "OK" ...go back to the parent menu dynamic function "BACK" ... abort the current operation and go back to the parent menu dynamic function "ABORT"...

  • Page 39: Browsing In A Menu (Example)

    Type 8202 ELEMENT Adjustmentandstart-up 9.6 browsing in a menu (example) Title of the current menu, sub-menu or The icon identifies the current function. menu Param The arrow indicates that some more This is when the functions are available which can be device is be- ing parame- tered....

  • Page 40: Knowing The Display

    Type 8202 ELEMENT Adjustmentandstart-up 9.7 Knowing the display The display module is only equipped on some device variants. It can be ordered as an accessory. 9.7.1 Knowing the icons and LEDs Yellow LED: shows that Green LED: shows that the device is energized transistor 1 is switched mV_pH...

  • Page 41: Knowing The Display At The Power-Up Of The Device

    Type 8202 ELEMENT Adjustmentandstart-up 9.7.2 Knowing the display at the power-up of the device When the device is powered up or the display module mounted on the electronic module, the display indicates the software version of the display module. The display then shows the first screen of the Process level: See chpt.

  • Page 42: Accessing The Configuration Level

    Type 8202 ELEMENT Adjustmentandstart-up 9.9 Accessing the configuration level > 2s Param This is when the This is This is when the Any display of the when the device is be- device is be- device is be- ing parame- ing parame- tered.... tered........ System ing parame- ....

  • Page 43: Knowing The Structure Of The Menus On The Configuration Level

    Type 8202 ELEMENT Adjustmentandstart-up 9.10 Knowing the structure of the menus on the configuration level See chpt. 9.9 to access the Configuration level. If an “upload” has been done with this Param System Up/Download Download Downl. Yes/No display module Upload Yes/No Upload This is This is when the when the...
  • Page 44 Type 8202 ELEMENT Adjustmentandstart-up Param Outputs HWMode sink/NPN source/PNP This is This is when the when the device is be- device is be- ing parame- ing parame- tered.... tered............ PVar: AC1/AC2 mV_pH mV_ORP TempF TempC 4mA: INPUT 20mA: INPUT Filter:...
  • Page 45 Type 8202 ELEMENT Adjustmentandstart-up Calib Sensor Probe Calib. Temp. Auto Constant Calibration 1st point If pH probe 2nd point? Rinse 2nd point Cal.Result Probe constant Offset: INPUT INPUT Span: Calib. interval Last cal. date VALUE INPUT Interval Temperature INPUT Diagnostic System Code...
  • Page 46 Type 8202 ELEMENT Adjustmentandstart-up Test System Code 0*** Confirm code 0*** Outputs AC1: INPUT AC2: INPUT TR1: OFF/ON TR2: OFF/ON Sensor PVar: mV_pH mV_ORP TempF TempC Value: INPUT Info Error MESSAGE Warning MESSAGE Maintenance MESSAGE Smiley MESSAGE Software Main READ Sensor READ...

  • Page 47: Knowing The Parameters Menu

    Type 8202 ELEMENT Adjustmentandstart-up 9.11 Knowing the parameters Menu 9.11.1 Transferring data from one device to another See chpt. 9.9 to access the Parameters menu. This function is only possible with a display module with software version V2. → On the device, check the software version in the menu "Info -> Software -> Main".

  • Page 48: Modifying The Param Menu Access Code

    Type 8202 ELEMENT Adjustmentandstart-up 9.11.3 Modifying the pArAM menu access code See chpt. 9.9 to access the Parameters menu. Param System Code 0*** Confirm code 0*** Enter the new Enter the new code a This is This is when the when the device is be- device is be-...

  • Page 49: Setting The Data Displayed In The Process Level

    Type 8202 ELEMENT Adjustmentandstart-up 9.11.5 setting the data displayed in the process level See chpt. 9.9 to access the Parameters menu. Warning risk of injury due to wrong adjustment. ▶ Before setting the parameters for the display, choose the type of probe mounted on the device. Refer to chpt. 9.11.11. Param Line1 / Line2: Line1 / Line2:...

  • Page 50: Displaying The Lowest And Highest Values Measured

    Type 8202 ELEMENT Adjustmentandstart-up 9.11.6 Displaying the lowest and highest values measured See chpt. 9.9 to access the Parameters menu. Warning risk of injury due to wrong adjustment. ▶ Before setting the parameters for the display, choose the type of probe mounted on the device. Refer to chpt. 9.11.11. Param Display Min/Max: Status: Enabled...

  • Page 51: Choosing The Output Wiring Mode

    Type 8202 ELEMENT Adjustmentandstart-up 9.11.8 choosing the output wiring mode See chpt. 9.9 to access the Parameters menu. HWMode source/PNP Param Outputs sink/NPN This is when the This is device is be- when the ing parame- device is be- tered.... ing parame- ....tered........ The setting has no effect on a device variant with one fixed connector, if the sole current output is wired.
  • Page 52 Type 8202 ELEMENT Adjustmentandstart-up and P are the values associated with a current of 4 mA or 20 mA respectively: If P is higher than P , the signal is inverted and the range P –P corresponds to the range for the 20...4 mA current.

  • Page 53: Setting The Parameters Of The Transistor Outputs

    Type 8202 ELEMENT Adjustmentandstart-up 9.11.10 setting the parameters of the transistor outputs See chpt. 9.9 to access the Parameters menu. Warning risk of injury due to wrong adjustment. ▶ Before setting the parameters for the display, choose the type of probe mounted on the device. Refer to chpt. 9.11.11. Param Outputs PVar: TR1 / TR2...

  • Page 54: Setting The Sensor Parameters

    Type 8202 ELEMENT Adjustmentandstart-up hysteresis operating The change of status is done when a threshold is detected (increasing measured value: threshold high (function High) to be detected; decreasing measured value: threshold low (function Low) to be detected). NO = Normally open NC = Normally closed...

  • Page 55: Knowing The Calibration Menu

    Type 8202 ELEMENT Adjustmentandstart-up symmetrical measurement The symmetrical measurement is a differential measurement: in this type of measurement, the stainless steel ring on the sensor holder is used as a reference. (1): Measurement electrode (2): Reference electrode (3): Stainless steel ring Fig. 40:  Schematic diagram of symmetrical measurement ...

  • Page 56: Modifying The Calibration Menu Access Code

    Type 8202 ELEMENT Adjustmentandstart-up to deactivate the mode HoLD: → access the "HOLD" function; → choose "disabled" and confirm by "OK". In practice, when the device is in mode "Hold": • the icon is displayed in place of the icon; HOLD • the current emitted on each 4...20 mA output is fixed at the value of the last measurement of the physical parameter associated with each output;...

  • Page 57: Calibrating The Ph Sensor

    Type 8202 ELEMENT Adjustmentandstart-up 9.12.4 calibrating the ph sensor Danger risk of injury due to electrical voltage ▶ Observe all applicable accident protection and safety regulations for electrical equipment. risk of injury due to the nature of the fluid. ▶ Respect the prevailing regulations on accident prevention and safety relating to the use of dangerous fluids. See chpt. 9.9 to access the Calibration menu.
  • Page 58 Type 8202 ELEMENT Adjustmentandstart-up calibrate the ph sensor ("calibration" function in the "probe" menu) • The pH sensor can be calibrated according to a 1-point or a 2-point procedure. • In order not to interrupt the process, activate the HOLD function. Refer to chpt. 9.12.1. • Before each calibration, correctly clean the electrode with a suitable product.
  • Page 59 Type 8202 ELEMENT Adjustmentandstart-up Detailed procedure for the 1- or 2-points calibration of the ph probe Calib Sensor Probe Calibration → Immerse the clean sensor in the first buffer solution; the device alternately displays: • the measured pH of the solution • the measured temperature of the solution 1st point 7.100 pH → Enter the pH of the buffer 7.000 pH...
  • Page 60 Type 8202 ELEMENT Adjustmentandstart-up At the end of calibration of the pH sensor, two types of messages may be displayed: Tab. 1 :  Warning and error messages during pH sensor calibration  possible message "span" value "offset" value recommended action cause → Use the correct buffer "Warning:Span/ 50 mV/pH < span < 53 mV/pH –60 mV < Offset...

  • Page 61: Calibrating The Redox- ("Orp"-) Sensor

    Type 8202 ELEMENT Adjustmentandstart-up 9.12.5 calibrating the redox- ("orp"-) sensor Danger risk of injury due to electrical voltage ▶ Observe all applicable accident protection and safety regulations for electrical equipment. risk of injury due to the nature of the fluid. ▶ Respect the prevailing regulations on accident prevention and safety relating to the use of dangerous fluids. See chpt. 9.9 to access the Calibration menu.
  • Page 62 Type 8202 ELEMENT Adjustmentandstart-up calibrate the redox ("orp") sensor ("calibration" function in the "probe" menu) • The Redox ("ORP") sensor can be calibrated according to a 1-point procedure. • In order not to interrupt the process, activate the HOLD function. Refer to chpt. 9.12.1. • Before each calibration, correctly clean the electrode with a suitable product.
  • Page 63 Type 8202 ELEMENT Adjustmentandstart-up Detailed procedure for the 1-point calibration of the oxidation reduction potential ("orp") sensor Calib Sensor Probe Calibration → Immerse the clean sensor in the buffer solution; the device alternately displays: • the measured potential difference of the solution • the measured temperature of the solution Calibration 465.0 mV → Enter the potential difference 475.0 mV...

  • Page 64: Entering An Offset For The Temperature Measurement

    Type 8202 ELEMENT Adjustmentandstart-up 9.12.6 Entering an offset for the temperature measurement See chpt. 9.9 to access the Calibration menu. The temperature transmitted by the Pt1000 probe may be corrected. This correction value is the temperature offset. Calib Sensor Temperature INPUT Enter the temperature offset (input limits: ±5 °C) 9.13...
  • Page 65 Type 8202 ELEMENT Adjustmentandstart-up To be warned when an electrode has too low or too high an impedance: → activate monitoring on this electrode in the function "activate", then → set an impedance range (in MW for the pH electrode and in kW for the reference electrode of the pH/redox ("ORP") probe) outside of which the device generates a "warning"...

  • Page 66: Monitoring The Fluid Temperature

    Type 8202 ELEMENT Adjustmentandstart-up 9.13.3 Monitoring the fluid temperature See chpt. 9.9 to access the Diagnostic menu. The function allows for monitoring the fluid temperature and configure the behaviour of the device if the param- etered ranges are exceeded. A malfunction in your process or the built-in temperature probe may be indicated either by too low or too high a fluid temperature or by an incorrect temperature measurement.

  • Page 67: Knowing The Test Menu

    Type 8202 ELEMENT Adjustmentandstart-up 9.14 Knowing the Test menu 9.14.1 Modifying the Test menu access code See chpt. 9.9 to access the Test menu. Test System Code 0*** Confirm code 0*** Enter the new Confirm the new code code If the default code (0000) is entered, the code will not be requested to access the menu.

  • Page 68: Knowing The Information Menu

    Type 8202 ELEMENT Adjustmentandstart-up 9.15 Knowing the information menu 9.15.1 reading the cause of events linked to icons See chpt. 9.9 to access the Info menu. Info Error MESSAGE Warning MESSAGE Maintenance MESSAGE Smiley MESSAGE Software Main READ Sensor READ Product READ The function allows for reading a short description of the reason why the following icons are displayed by the device:...

  • Page 69: Maintenance And Troubleshooting

    Type 8202 ELEMENT Maintenanceandtroubleshooting MAiNTENANcE AND TroubLEshooTiNg 10.1 safety instructions Danger risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it. ▶ If the device is installed either in a wet environment or outdoors, all the electrical voltages must be of max.

  • Page 70: Cleaning The Ph/Redox ("Orp") Probe

    Type 8202 ELEMENT Maintenanceandtroubleshooting 10.2.1 cleaning the ph/redox ("orp") probe Refer to the Operating Instructions delivered with the probe used. 10.3 replacing the probe Danger risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it.
  • Page 71 Type 8202 ELEMENT Maintenanceandtroubleshooting → Remove the probe as shown in Fig. 42. → Unscrew the nut between the sensor holder and the elec- tronic module. → Remove the electronic module by pulling it straight out. There may be a slight resistance due to the seal.

  • Page 72: Replacing The Seal Of The Sensor Holder

    Type 8202 ELEMENT Maintenanceandtroubleshooting 10.4 replacing the seal of the sensor holder Danger risk of injury due to electrical voltage. ▶ Before carrying out work on the system or the device, disconnect the electrical power for all the conductors and isolate it. ▶ If the device is installed either in a wet environment or outdoors, all the electrical voltages must be of max.

  • Page 73: Solving A Problem

    Type 8202 ELEMENT Maintenanceandtroubleshooting 10.5 solving a problem red current transistor icon message dis- possible cause recommended action output output played in the info menu → Check the correct wiring of ON 22 mA depending "E:Sat. ORP Stage" The pH or redox ("ORP") value is the earth points. "E:Sat. pH Stage"...
  • Page 74 Type 8202 ELEMENT Maintenanceandtroubleshooting red current transistor icon message dis- possible cause recommended action output output played in the info menu → Switch the power supply ON 22 mA depending "TR EE Fact Read" Parameter reading error. off then on again. thresholds → If the error persists, set the device back to the default "TR EE User Read"...
  • Page 75 Type 8202 ELEMENT Maintenanceandtroubleshooting red current transistor icon message displayed possible cause recommended action output output in the info menu → Go into the "Sensor" ON 22 mA depending on "E:Impedance Ref" The impedance of the thresholds reference electrode is function of the Diag- out of range. nostic menu to read...
  • Page 76 Type 8202 ELEMENT Maintenanceandtroubleshooting red current transistor icon message displayed possible cause recommended action output output in the info menu → Go into the "Sensor" OFF 4...20 mA Switched "W:Impedance Ref" The impedance of the reference electrode is function of the Diag- out of range. nostic menu to read...
  • Page 77 Type 8202 ELEMENT Maintenanceandtroubleshooting red current transistor icon message dis- possible cause recommended action output output played in the info menu → Calibrate the sensor 4...20 mA Switched "M:Calib. Date" A calibration is due. (chpt. 9.12.4). The periodicity of the cal- ibrations is set within the "INTERVAL" function of the "CALIB INTERVAL"...
  • Page 78 Type 8202 ELEMENT Sparepartsandaccessories spArE pArTs AND AccEssoriEs Caution risk of injury and/or damage caused by the use of unsuitable parts. Incorrect accessories may cause injuries and damage the device and the surrounding area. ▶ Use only original accessories and original replacement parts from Bürkert. spare part Article number 559169 Seal in EPDM, Ø 46x2 mm, for the sensor holder...
  • Page 79 Type 8202 ELEMENT Packaging,Transport pAcKAgiNg, TrANsporT notiCe Damage due to transport Transport may damage an insufficiently protected device. ▶ Transport the device in shock-resistant packaging and away from humidity and dirt. ▶ Do not expose the device to temperatures that may exceed the admissible storage temperature range.
  • Page 80 Type 8202 ELEMENT  English...
  • Page 82 www.burkert.com...

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