1. Manuals
  2. Brands
  3. TEKTROL Manuals
  4. Transmitter
  5. TEK-BAR 3800XA
  6. Instruction manual

TEKTROL TEK-BAR 3800XA Instruction Manual

Explosion-proof multivariable transmitter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Technology Solutions
T
B
AR 3800XA
EK-
Explosion-Proof Multivariable Transmitter
Instruction Manual
Document Number: IM-3800XA
www.tek-trol.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TEK-BAR 3800XA and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for TEKTROL TEK-BAR 3800XA

Summary of Contents for TEKTROL TEK-BAR 3800XA

  • Page 1 Technology Solutions AR 3800XA Explosion-Proof Multivariable Transmitter Instruction Manual Document Number: IM-3800XA www.tek-trol.com...

  • Page 2: Table Of Contents

    Table of Contents Safety Instructions ....................4 General information and notes for the reader ............ 4 Intended use......................4 Safety Precautions ....................4 Product Liability and Warranty ................4 Information Concerning the Documentation ..........5 Compliance with Pressure Equipment Directive (2014/68/EU) ....5 1.6.1 Warnings and Symbols Used ....................
  • Page 3 3.6.4 Transmitter with DIN aluminium housing – horizontal flanges with mounting bracket for vertical or horizontal mounting on 60 mm (2 in.) pipe .. 21 3.6.5 Transmitter with flat bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe ............................... 22 3.6.6 Installation via (optional) mounting brackets.
  • Page 4 Configuration with PC / laptop or handheld terminal ......... 65 Damping and transmission function ............... 66 6.7.1 Damping .............................. 66 6.7.2 Transmission function ........................ 66 Error messages ....................71 Error states and alarms ..................71 Ex relevant specifications ................76 Specific Conditions of Use (X) ................

  • Page 5: Safety Instructions

    Safety Instructions General information and notes for the reader • These instructions are an important part of the product and must be retained for future reference. • Installation, commissioning, and maintenance of the product may only be performed by trained specialist personnel who have been authorized by the plant operator accordingly.

  • Page 6: Information Concerning The Documentation

    Information Concerning the Documentation To prevent any injury to the operator and damage to the device it is essential to read the information in this document and read the applicable national standard, and safety instruction. These operating instructions contain all the information that is required in various stages, like product identification, incoming acceptance and storage, to mounting, connection, operation and commissioning through to troubleshooting, maintenance and disposal.

  • Page 7: Packaging, Transportation And Storage

    Packaging, Transportation and Storage 1.7.1 Packaging The original package consists of 3800XA Explosion Proof Multivariable Transmitter 2. Accessories (optional) 3. Documentation Transportation After calibration, the instrument is packed in a carton (GB / T 13384-2008) to • protect against destructions. When the transmitter is delivered, visually check them to make sure that no •...

  • Page 8: Safety Information For Inspection And Maintenance

    If there is a chance that safe operation is no longer possible, take the device out of operation and secure it against unintended startup. 1.11 Safety information for inspection and maintenance WARNING When the housing is open, EMC protection is impaired and there is no longer any protection against accidental contact.

  • Page 9: Product Description

    Pt100 resistance thermometer. 2.2 Measuring Principle The Tek-Bar 3800XA Explosion Proof Multivariable Transmitter measures differential pressure, static pressure (absolute or gauge), and process temperature. It also performs flow calculations, compensating for pressure or temperature and accounting for variables such as discharge coefficient, thermal expansion, Reynolds number, and compressibility factor.

  • Page 10: Measuring Range Limits And Span Limits

    2.3 Measuring range limits and span limits The data sheets for the Series 3800XH/A multivariable transmitters contain all the information concerning the measuring range and measuring span of the individual. models, as well as the sensor code. • URL: Upper Range Limit of a specific sensor. The highest measured value that can be measured by the transmitter.

  • Page 11: Specifications

    2.4 Specifications Measuring Range Differential pressure sensor: 1kPa 10 mbar 4 in H2O, -1kPa -10 mbar -4 in H2O, 0.05 kPa 0.5 mbar 0.2 in H2O Absolute pressure sensor: 600 kPa 6 bar 87 psi, 0 abs, 6 kPa 0.06 bar 0.87 psi Accuracy Span limits...

  • Page 12: Hazardous Atmospheres

    • Power Plant Hazardous atmospheres With or without integral LCD display INTRINSIC SAFETY Ex ia: ATEX Europe (code E1) approval II 1 G Ex ia IIC T6...T4 Ga, II 1/2 G Ex ia IIC T6...T4 Ga/Gb, II 1 D Ex ia IIIC T85 °C Da, II 1/2 D Ex ia IIIC T85 °C Da; IP66, IP67. IECEx (code E8) approval Ex ia IIC T6...T4 Ga/Gb, Ex ia IIIC T85 °C Da;...

  • Page 13: Mounting

    COMBINED ATEX, FM and IECEx Approvals (code EN) NEPSI combined (code EP = EY + EZ), (code EQ = EY + EZ + ES) Technical Regulations Customs Union EAC (Russia, Kazakhstan, Belarus), In metro (Brazil) For ambient temperatures -40 … 85°C (-40 … 185°F) the information based on the temperature classes in the associated certificates, must be complied with.

  • Page 14: Ip Rating

    IP rating The housing of pressure transmitters of the 3800XA series satisfies the requirements of IP degree of protection IP 66 / IP 67 (NEMA 4X) in accordance with IEC 60529. The first digit indicates the protection of the integrated electronics against penetration of foreign objects, including dust.

  • Page 15: Mounting Positions

    manner and to layout the process line in such a manner that gas bubbles in liquid measurements can be routed back into the process and not get into the measuring chambers. The optional vent / drain valves on the transmitter are attached on the measuring cell flanges.

  • Page 16: Mounting Dimensions

    3.5 Mounting dimensions 3.5.1 Transmitter with barrel housing Fig.5 Barrel housing In the case of models with just one remote seal, the threaded connection (1/4 – 18 NPT directly or 1/2 – 14 NPT using adapter) of the standard process flange, the gasket groove, and the gasket comply with IEC 61518.

  • Page 17: Transmitter With Barrel Housing And Mounting Bracket, For Vertical And Horizontal On 60 Mm (2 In.) Pipe

    3.5.2 Transmitter with barrel housing and mounting bracket, for vertical and horizontal on 60 mm (2 in.) pipe Fig.6 Pipe mounting - barrel housing...

  • Page 18: Transmitter With Din Housing And Mounting Bracket, For Vertical Or

    3.5.3 Transmitter with DIN housing and mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe Fig. 7 Pipe mounting - DIN housing...

  • Page 19: Transmitter With Barrel Housing And Flat Bracket, For Vertical Or Horizontal Mounting On 60 Mm (2 In.) Pipe

    3.5.4 Transmitter with barrel housing and flat bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe Fig. 8 Flat bracket for pipe mounting - barrel housing 3.6 Mounting dimensions 3.6.1 Transmitter with barrel housing – horizontal flanges Fig.

  • Page 20: Transmitter With Barrel Housing - Vertical Flanges

    3.6.2 Transmitter with barrel housing – vertical flanges Fig. 10 Barrel housing - vertical flanges...

  • Page 21: Transmitter With Mounting Bracket, For Vertical Or Horizontal Mounting

    3.6.3 Transmitter with mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe Fig. 11 Pipe mounting - barrel housing * 54 (2.13) mm (in.) via 1/4 - 18 NPT process flanges 51 (2.01), 54 (2.13), or 57 (2.24) mm (in) via 1/2 - 14 NPT adapter flanges. Note: Process connection and seal groove satisfy IEC 161518.

  • Page 22: Transmitter With Din Aluminium Housing - Horizontal Flanges With Mounting Bracket For Vertical Or Horizontal Mounting On 60 Mm (2 In.) Pipe

    3.6.4 Transmitter with DIN aluminium housing – horizontal flanges with mounting bracket for vertical or horizontal mounting on 60 mm (2 in.) pipe Fig. 12 Pipe mounting - DIN housing * 54 (2.13) mm (in.) via 1/4 - 18 NPT process flanges 51 (2.01), 54 (2.13), or 57 (2.24) mm (in) via 1/2 - 14 NPT adapter flanges.

  • Page 23: Transmitter With Flat Bracket, For Vertical Or Horizontal Mounting On

    3.6.5 Transmitter with flat bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe Fig. 13 Flat bracket for pipe mounting - barrel housing * With screw plug ** With vent / drain valve 3.6.6 Installation via (optional) mounting brackets. Fig.

  • Page 24: Rotating The Transmitter Housing

    Rotating the transmitter housing improve access electrical connections and for better visibility of the optional LCD display in the field, the transmitter housing rotated through 360°. A stop prevents the housing from being turned too far. In order to rotate the housing, the fixing screw must be loosened and unscrewed approx.

  • Page 25: Process Connections

    It may be necessary to use condensate vessels or similar with small measuring • spans and vaporous media. If you are using condensate vessels (steam measurement), you should ensure that • the vessels are at the same elevation in the differential pressure piping. As far as possible, keep both impulse lines at the same temperature.

  • Page 26: Process Connections

    3.11 Process connections • Mount the temperature sensor in the downstream pipe of the primary element. Consider the downstream straight pipe requirements. • • If there is a significant difference between the temperature of the measuring medium and the ambient temperature, the measuring error caused by heat conduction must be minimized by insulating the installation location accordingly.

  • Page 27: Flow Measurement Of Gas Or Liquid With Solids In Suspension

    measurement is ensured. For implementation of this requirement, it can be practical for steam measurements, to use the impulse lines condensate tanks. To commission the transmitter, operate the valves in the following sequence: Open the equalizing valve (C) 2. Close the low-pressure valve (B) and high-pressure valve (A). 3.

  • Page 28: Fill Level Measurement On Closed Tanks Non-Condensing Measuring

    3.12.3 Fill level measurement on closed tanks Non-condensing measuring medium (dry leg) Fig. 21 Level measurement on closed tanks Mount the transmitter at the same height or below the lowest level to be measured. Connect the high-pressure side "+" (H) of the transmitter to the bottom of the tank. Connect the low-pressure side "-"...
  • Page 29 Fig. 22 Level measurement on closed tanks Mount the transmitter at the same height or below the lowest level to be measured. Connect the high-pressure side "+" (H) of the transmitter to the bottom of the tank. Connect the low-pressure side "-" (L) of the transmitter to the top of the tank, above the maximum level.

  • Page 30: Fill Level Measurement On Open Tanks With Fruits

    3.12.5 Fill level measurement on open tanks with fruits Fig. 23 Level measurement on open tanks Mount the transmitter at the same height or below the lowest level to be measured. Connect the high-pressure side "+" (H) of the transmitter to the bottom of the tank.

  • Page 31: Fill Level Measurement On The Steam Boiler (Drum Water Level)

    3.12.6 Fill level measurement on the steam boiler (drum water level) Fig. 24 Level measurement on the steam boiler Mount the transmitter at the same height or below the lowest level to be measured. Connect the high-pressure side "+" (H) of the transmitter to the bottom of the tank. The low-pressure side “–”...

  • Page 32: Electrical Connections

    4 Electrical connections The relevant directives must be complied with for the electrical installation! Because the transmitter cannot be switched off, surge protection devices, lightning protection, or grid disconnect possibilities must be provided at the plant. NOTE An open cover does not provide contact protection. Touching conductive parts can damage electronic components (in some cases beyond repair) due to electrostatic discharge.

  • Page 33: Connection Of The Analogue Output (Hart)

    NOTE For the purpose of simulation, a 178 Ω resistor (206°C / 402.8°F) with 2 jumpers has been installed between the terminals for the Pt100 connection. This resistor (including the jumpers in the case of 4-wire connections) must be removed before connecting the Pt100.

  • Page 34: Digital Output (Pulse / Limit Output)

    The possible line length depends on the total capacity and the total resistance and can be estimated based on the following formula. �� + 10000 65 �� 10 �� �� = − �� �� �� �� L = Line length in meters R = Total resistance in Ohm C = Line capacity = Maximum internal capacity in pF of the HART field devices in the circuit...
  • Page 35 Run the temperature sensor cable (if there is one) through the second cable • entry and connect it to the designated terminals. NOTE Do not connect the supply voltage across the test terminals. It could damage the test diode in the test connection. Plug and seal the cable entries.

  • Page 36: Protective Conductor Connection / Grounding

    4.5 Protective conductor connection / grounding For the ground (PE) of the transmitter or the connection of a protective conductor, a connection is available on the exterior of the housing, and also in the terminal compartment. Both connections must galvanically connected to one another. These connection points can be used if grounding or the connection of a protective conductor is prescribed by national regulations for the selected type of...

  • Page 37: Zero-Point Correction Following Installation

    range, the output current will be between 3.5 mA and 4 mA if the range is under ranged or between 20 mA and 22 mA if the range is over range (depending on the respective configuration). Standard setting for normal operation 3.8 mA / 20.5 mA A current that is <...

  • Page 38: Zero-Point Increase / Suppression On Predictable Devices

    Separate the transmitter from the process and equalize the pressure in the • two measuring chambers by adjusting the bypass valve in the manifold. Check the transmitter output signal If it is at 4 mA (or PV = 0), zero-point •...

  • Page 39: Configuration

    Press and hold down the zero button (Z) on the top of the transmitter for at • least 3 seconds The output signal switches to 4 mA and the message “OPER DONE” appears on the LCD display (if there is one) •...

  • Page 40: Hardware Settings

    NOTE To deactivate write protection, press the switch down slightly and then turn it counterclockwise 90°. Fig. 29 operating buttons, write protection turn switch. 6.2 Hardware settings Fig. 30 DIP switches There are six DIP switches on the secondary electronics. They are used to make settings if an LCD display is not present.
  • Page 41 NOTE Always disconnect the device from the power supply before making changes to DIP switches. The device must then be restarted in order for the new configurations to be loaded. Replace mode (DIP switches 1 and 2) In normal mode the DIP switches 1 and 2 are in position 0. If a replacement procedure is necessary, they will be activated.

  • Page 42: Factory Setting

    6.3 Factory setting The transmitters calibrated in the factory to the measuring range specified by the customer. The calibrated measuring range and the measuring point tag are specified on an additional labelling plate. If nothing is specified by the customer in this regard, the transmitter will be delivered with a standard configuration, that contains the following parameters (among others).

  • Page 43: Configuration Of Lrv And Urv (4

    The first pressure value (e.g., 0 mbar) is always assigned to the 4 mA signal • (or 0%) and the second pressure value (e.g. 400 mbar) is always assigned to the 20 mA signal (or 100%). • To make new settings on the transmitter “measuring range start” and measuring range end”...
  • Page 44 Fig. 31 LCD display You can use the operating buttons to browse through the menu or select a number or character within a parameter value. Different functions can be assigned to the operating buttons. The function that is currently assigned (5) is shown on the LCD display Operating button functions Meaning Exit...

  • Page 45: Menu Levels

    6.5.1 Menu levels Process display The process display shows the current process values. Information level The information level contains the parameters and information that are relevant for the operator. The device configuration cannot be changed on this level. Configuration level The configuration level contains all the parameters required for device commissioning and configuration.

  • Page 46: Activation Of The Operating Menu

    Fig. 32 Process display (example) Description of symbols Symbol Description Call up information level. Call up configuration level. The device is protected against changes in the parametrization. 6.5.1 Activation of the operating menu To access the operating menu, it must first be activated. Standard LCD indicator (option L1) For devices with standard LCD indicator, unscrew the housing cover with sight glass to obtain access to the display.
  • Page 47 2. Within 1 second activate the operating button below the right symbol to call up the configuration level, or left activate the operating button to call up the information level. NOTE If the contrast is out of adjustment to the extent that the display can no longer be read, the factory settings can be restored by simultaneous activation of the operating buttons Information level (operator menu)
  • Page 48 Symbol Description Error / failure Function check Outside of the specification Maintenance required The error messages are also divided into the following areas: Area Description Process Diagnostic messages that refer to the process and display impairments or states. Sensor Alarms that indicate problems with the measuring cell. Electronics Errors in the device electronics are displayed.

  • Page 49: Selecting And Changing Parameters

    NOTE For a detailed description of the errors and fault correction instructions, please refer to Chapter 12 "Error messages". Switching to the configuration level (parameterization) The device parameters can be displayed and changed on the configuration level. Change to the configuration level with 6.5.2 Selecting and changing parameters Entry from table...

  • Page 50: Easy Set-Up

    Select the parameters you want to set in the menu. 2. Use to call up the parameter for editing. The decimal place that is currently selected is highlighted 3. Use to select the next decimal place to change. 4. Use to set the desired value.
  • Page 51 The setting of the most current parameters is summarized in the "Easy Setup" menu. Press the operating key and keep it depressed until both symbols are shown left and right in the lower process display. 2. Change to the configuration level with 3.
  • Page 52 17. Use to call up edit mode. 18. Use to set the start of the measurement range (LRV). 19. Confirm the selection with 20. Go to the next menu item with 21. Use to call up edit mode. 22. Use to set the end of the measuring range (URV).
  • Page 53 37. Use to call up edit mode. 38. Use to select the desired damping. 39. Confirm the selection with 40. Go to the next menu item with 41. Use to call up edit mode. 42. Use to start automatic correction of the install position. 43.
  • Page 58 Fig. 33 Diagram - “Level measurement - open tank” Fig. 34 Diagram - “Level measurement - closed tank”...
  • Page 59 Fig. 35 Level measurement on the steam boilers (drum water level)
  • Page 60 Fig. 36 Level measurement with closed tanks with two diaphragm seals...
  • Page 64 Notice regarding menu “Process Alarm”. In this menu the behaviour of the analogue output current (current limits) for measuring range overshoots and alarm states can be configured. As long as the process value moves within the already set span, the output signal is between 4 and 20 mA.

  • Page 66: Configuration With Pc / Laptop Or Handheld Terminal

    6.6 Configuration with PC / laptop or handheld terminal The 3800XA multivariable transmitters can be configured with the aid of the following devices: • Handheld terminals such as the 3800XA, or from a different manufacturer, with the prerequisite that the 266 EDD has been loaded and activated in the terminal.

  • Page 67: Damping And Transmission Function

    The procedure for program installation is described in the appropriate installation manual delivered with the software. The transmitter can be configured, read out and tested via the program. With the aid of the integrated database a configuration can also be executed in offline mode. Each configuration step is subject to a plausibility check.
  • Page 68 Bidirectional for flow measurements with bidirectional characteristic curve • In addition, all characteristic curves are influenced by the pressure-dependent and temperature-dependent status correction. For 3800XA multivariable transmitters set for level measurement, the following functions are possible: Linear • With customer-specific linearization table •...
  • Page 69 close to the zero point and avoids errors due to the high gain associated with the square root. The standard setting is 5% of the upper range value of the flow. Fig. 39 For leak flow volume suppression for small input signals close to the zero point the transmitter output is set to zero until reaching an adjustable activation point between 0% and 20%.
  • Page 70 Fig. 42 Rectangular weir Fig. 44 V measuring weir Square root to the fifth power The square root transmission function of x5 can be used for flow measurements in open flumes of V measuring weirs (triangular weirs) in accordance with ISO 14398 (see Fig.
  • Page 71 Flow measurement with bidirectional characteristic curve This method is used if the transmitter is connected to a bidirectional flow meter (e.g. a wedge meter - wedge-shaped narrowing). The main characteristics: The bidirectional transmission function acts an the transmitter input (x) as a percentage value of the calibrated measuring span and is calculated with the following formula: Output = 1/2 + 1/2 sign (x) ∙...

  • Page 72: Error Messages

    7 Error messages Error states and alarms Transmitter Error Displayed Possible cause Recommended measure code message reaction Default Value as Substitute value calculation will C042.046 None Process Value differential pressure active. executed with the substitute value for differential pressure. The last valid value for calculation will differential pressure active.
  • Page 73 Transmitter Error code Displayed message Possible cause Recommended measure reaction The analogue output for the None F098.034 Analog Output Set current limit, or if possible, work primary variable is on the other Saturated range. side of upper measuring limit and no longer presents the process value.
  • Page 74 Transmitter Error code Displayed message Possible cause Recommended measure reaction Process converter error Check connection Alarm current F109.003 Temperature Sensor temperature sensor. temperature electronics. Fail Temperature electronics must be replaced if the problem persists. Check the Pt100 connections and Wire break wrong Pt100...
  • Page 75 Transmitter Error code Displayed message Possible cause Recommended measure reaction PILD Output Both impulse lines between the Check valves and impulse line. If None M018.038 measuring cell and the process required, clean the impulse lines, are either clogged or closed by and start PILD training.
  • Page 76 Transmitter Error code Displayed message Possible cause Recommended measure reaction Electronic electronics temperature The electronics should be replaced None M022.041 Temperature under ranges the permissible as soon as possible. Out of Limits lower limit value. Error in the current circuit for scanning the temperature.

  • Page 77: Ex Relevant Specifications

    Transmitter Error code Displayed message Possible cause Recommended measure reaction operating The static pressure of the process must check whether None S052.031 pressure Exceeded increases maximum pressure transmitter is suitable for permissible. the process conditions. operating pressure transmitter. Exceeding maximum operating pressure can entail mechanical damage...

  • Page 78: Applications For "Ex Ia" Transmitters Categories 1 G And 1 D

    EN 60079-15 (Electrical equipment for explosive gas atmospheres - Part 15: • Construction, test and tagging of type of protection "n" electrical equipment) EN 60079-26 (Equipment with equipment protection level (EPL) - Ga) • The transmitters are certified for the following device groups, categories, and media in dangerous atmosphere, temperature classes, and types of protection.

  • Page 79: Applications For "Ex Ia" Transmitters Categories 1/2 G And 1/2 D

    NOTE The transmitter must be connected to a power supply unit (associated device) with "Ex ia" certification. Application with dust Zone 20 266 Tx category 1D IP6x (Ex ia) NOTE Protection is afforded primarily by the IP degree of protection; the low level of power consumed from the power supply unit is also a contributing factor.

  • Page 80: Example Applications

    The rest of the tag relates to the type of protection according to the relevant EN standards: Ex ia: Type of protection "Intrinsic Safety", level of protection "a" IIC/IIIC: Explosion group gases T4: Temperature class of the transmitter (corresponds to a maximum surface temperature of 135 ℃) with a Ta from -50 °C to 85℃...

  • Page 81: Applications For "Ex D" Transmitters Categories 1/2 G And 1/2 D

    Fig. 46 Application with dust NOTE Protection is afforded primarily by the IP degree of protection; the low level of power consumed from the power supply unit is also a contributing factor. The type of protection can be either [ia] or [ib]. 8.5 Applications for “EX d”...

  • Page 82: Example Applications

    always potentially explosive. Where applications in areas with combustible dusts are concerned, the transmitter is suitable for "Zone 21" in accordance with EN 60079-1 as shown in the corresponding section of the example applications. 8.5.1 Example applications Fig. 47 Application with gas Fig.

  • Page 83: Example Applications

    NOTE This provides the technical basis for the ABB declaration of conformity. • When installed, power must be supplied to this transmitter by a voltage • limiting device which will prevent the upscale of the nominal voltage of 42 V DC. The meaning of the ATEX code is as follows: II: Equipment group for hazardous areas above ground (not mines) 3: Category...

  • Page 84: Applications For "Ex Ic" Transmitters Categories 3 G And 3 D

    NOTE Protection is afforded primarily by the IP degree of protection; the low level of power consumed from the power supply unit is also a contributing factor. NOTE Transmitter with combined approval Before the transmitter is installed, the selected type of protection must be indelibly marked on the explosion certification plate.

  • Page 85: Maintenance / Repair

    Explosionproof (Canada) for Class I, Division 1, Groups B, C, and D, hazardous • (classified) locations. Dust Ignition proof for Class II, III Division 1, Groups E, F, and G, hazardous (classified) • locations. Suitable for Class II, III, Division 2, Groups F and G, hazardous (classified) locations. •...

  • Page 86: Dismounting

    NOTE For transmitters in safety-relevant applications in accordance with IEC 61508, verification in accordance with the paragraph “Acceptance test” in chapter “Functional safety in accordance with IEC 61508” is prescribed at fixed time intervals. Repair and maintenance tasks must only be executed by employees of an authorized customer service organization.

  • Page 87: Mounting / Dismounting The Button Unit

    9.3 Mounting / dismounting the button unit Fig. 50 Mounting / dismounting Unscrew the fastening screws of the rating plate and swing the rating plate to the side to obtain access to the local operating elements. 2. Unscrew the fastening screws (1) of the button unit that hold the spring-loaded plastic part.

  • Page 88: Removing / Installing The Process Flange

    an Tek-Trol office or refer to the spare parts list. If spare parts are used that are not original parts, the guarantee is invalidated. 9.6 Removing / installing the process flange Unscrew the fastening screws of the process flanges in cross pattern (hexagon socket wrench AF 13 mm (0.51 inch).

  • Page 89: Replacing The Measuring Cell

    9.6.1 Replacing the measuring cell Disconnect the transmitter from the process via the valve manifold or the shut-off valves. 2. Open the vent valves to vent the measuring cell. 3. Disconnect the energy supply and the wiring supply to the transmitter. 4.
  • Page 90 Fig. 53 9. Unscrew the fastening screws of the measuring cell and remove the process flanges. 10. After each dismounting, the O-rings (3) must be replaced. Fig. 54 11. Attach the flanges. To do this, executed the steps described above in the reverse sequence.
  • Page 91 Fig. 55...
  • Page 92 Sales: +1 847-857-6076 Support: +1 847-857-6076 Email: tektrol@tek-trol.com www.tek-trol.com Tek-Trol is a fully owned subsidiary of TEKMATION LLC. We o er our customers a comprehensive range of products and solutions for process, power and oil & gas industries. Tek-Trol provides process measurement and control products for Flow, Level, Temperature &...

Table of Contents