TESTO REXS User Manual
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TESTO REXS User Manual

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Summary of Contents for TESTO REXS

  • Page 1 REXS User Manual...

  • Page 2: Table Of Contents

    Safety ..........................6 3.1. Risk Types ............................6 3.2. Labels and Explanations ......................... 6 System Overview......................8 4.1. Soot Generation Principle of testo REXS ..................8 4.1.1. Principle ..........................8 4.1.2. Applications ......................... 8 4.1.3. Functionality ........................9 4.2. The Benefits Are ..........................9 4.3.
  • Page 3 7.3. Uninstallation Procedure ......................29 7.4. Serial Connection to testo REXS ....................29 7.5. Controls and Indicators ........................ 29 7.6. Operation of the testo REXS GUI ....................31 7.7. Errors/Troubleshooting ........................ 33 7.7.1. Communication Errors ....................... 33 7.7.2. Testo REXS Errors ....................... 33 Appendix ........................

  • Page 4: Declaration Of Warranty

    Only the original manufacturer's warranty applies. There are no user-serviceable parts inside testo MD19-3E and some very sensitive parts. Do not open your testo MD19-3E, as you may damage it. Warranty is voided if the case is opened and warranty-seal is broken.

  • Page 5: Precautions

    Copyright © All work and contents done or generated by Testo SE & Co. KGaA are subject of the German copyright © and law for intellectual property. This copyright includes all specification data of the instrument or part of it, electrical and fluidic and mechanical schematics, pictures, diagrams and text.

  • Page 6: Safety

    3.2. Labels and Explanations When operating testo REXS, you are always operating under certain risk factors as electricity, explosive and compressed gases, hot surfaces, moving parts and nanoparticles. Therefore testo REXS includes several safety features. Nevertheless, some precautions still need to be taken to ensure safe and reliable operation.
  • Page 7 3 Safety Warnings for testo REXS Crush Crush hazard. Keep hands clear of moving parts. Lockout/tagout before servicing. Electric Shock Hazardous voltage. Contact may cause electric shock or burn. Turn off and lock out system power before servicing. Protection earth The electroconductive terminal is connected to protection earth.

  • Page 8: System Overview

    This is a gain for the filter industries regarding measurement of any particle filters of combustion engines as vehicles, ships, locomotives, or cranes and calibration of engine test benches. Testo REXS may also be used to test and certify air intake filters, cabin filters or dust absorbers.

  • Page 9: Functionality

    4 System Overview 4.1.3. Functionality Testo REXS is built up in a mobile 19'' rack. The straightforward design and clear layout ease its operation. Indicators, display and software enable control and monitoring of the control parameters. 4.2. The Benefits Are ...

  • Page 10: Soot Generator

    Power supply unit The power supply unit provides 24 VDC power to the several subsystems of testo REXS. Input voltage may be in a range of 90 to 250 VAC (wide-range input). Fuses values may change...

  • Page 11: Output

    4 System Overview 4.4.4. Output Display signal It monitors current status of all controlled parameters. Burner The mass flow controlled mixture of propane and nitrogen is fed into the center of the combustion chamber. The oxidation air is surrounding the fuel gas. The fuel gas and the oxidation air are not mixed;...

  • Page 12: Front Panel Operational Elements

    4 System Overview 4.5. Front Panel Operational Elements The operating front panel at the left side includes two buttons, a display and seven LED indicators. Description Function Burner ON/OFF Start/Stop / confirm messages / clear errors Operating point Chosse operating point / cancel/quit Four dot matrix display Status / error codes / messages LED indicator...
  • Page 13 Clear by pushing the button when the problem is resolved. Emergency Stop Interrupt power supply and immediately stop testo REXS operation. Put back by pushing and also turning right side the button when the problem is resolved. Fig. 4.5: Warning indicators Warning Explosive gas.

  • Page 14: Back Panel Operational Elements

    4 System Overview 4.6. Back Panel Operational Elements Gas supply connectors Pos # Description Connector Swagelok quick coupling, Propane C code orange Swagelok quick coupling, Nitrogen N code black Legris quick coupling, ISO Oxidation air Note: oxidation air is supplied internally in standard setup Fig.

  • Page 15: Back Panel Connectors

    Caution: The wooden transportation box is particularly designed for safe transportation of testo REXS. Store the transportation box in a dry place when not used. Use only the original packaging for transportation or shipping of testo REXS. The instrument may suffer serious damage if it is not shipped in the original...

  • Page 16: Unpacking

    Take out the wooden ramp that is stored in the ceiling of the box and attach it to the countersinks at the box floor. Make sure that the ramp is held in the positioning holes. Remove the fastening belts and the frontside clamp board. Roll testo REXS out of the box carefully. Note: Follow the instruction sheet „how to unpack testo REXS“...

  • Page 17: Storage, Acclimatisarion

    Do not store the instrument outdoor, the storage environment must be dust free and dry.  Always store testo REXS in the specific wooden packing.  After long time storage or transport with cold ambient condition or thermal fluctuation, the instrument requires to adapt slowly the local ambient condition before starting up.

  • Page 18: Extent Of Delivery

    1 ea. none Testo REXS remote operation software CD 1 ea. none User Manual 1 ea. none CD with graphical User Interface (GUI) Note: Items 3 to 22 are packed in a cardboard box. This box is attached to testo REXS.
  • Page 19 5 Transportation, Unpacking and Extend of Delivery Fig. 5.6: testo REXS Fig. 5.7: Flanges, centering rings and bulkhead rings Pos 4 Pos 3 Fig. 5.8: Air hose and power cable Fig. 5.9: Flange built up...

  • Page 20: Setting Up And Installation

    Setting up and installation 6.1. Operation Environment Requirements Caution: Read this section carefully before setting up testo REXS. Testo SE & Co. KGaA is not liable if the instrument is damaged, caused by the operation environment not meeting the requirement. Caution: The testo REXS Aerosol generator is designed to be installed in a laboratory, test stand or a temporary test set-up.

  • Page 21: Installation

    Follow the instructions provided in this section before starting up the testo REXS. Preparation  Unpack testo REXS from the wooden case. Refer to chapter 5.2, Unpacking, for more detailed instructions. Store the wooden case in a clean and dry place for later transportation of the instrument.
  • Page 22 The one phase power cord delivered with the instrument is equipped with a country- specific plug and protective earth.  testo REXS is designed to run either with 230 VAC or 110 VAC power supply. Refer to the label to determine supply voltage for the instrument. ...
  • Page 23 1 and 2. The test bench control signal („RUN“ = closing contact) has to be connected to pin 1 and 2. The testo REXS state signal may be accessed at pin 3 and 4 („RUNNING“ = opening contact), or pin 3 and 5 („RUNNING“ = closing contact).

  • Page 24: Test Stand Preparation

    6 Setting up and installation connect the RJ45 socket on the backside of testo REXS to a free socket of the computer network. Use a RJ45 Ethernet patch cable.  To supply the notebook with power, connect the plug of the notebook power supply unit to the power socket located on the back panel of the notebook drawer.

  • Page 25: Note

    6 Setting up and installation  To switch testo REXS to run state, set the „RUN“ signal from the test stand control. testo REXS changes to the last operating point selected. To return to standby mode, clear the „RUN“ signal. To change the operating point, press the right button when testo REXS is in „RUN“...
  • Page 26  Tee and an additional pipe (B) disposed and, if required, a supply for the dilution air  adapted for applications with constant flow rate of the REXS or under applications of necessary dilution air Recommended length A: Up to 100 cm B: Approx.
  • Page 27 6 Setting up and installation Fig. 6.2: Direct connection of the testo REXS to the DUT with additional dilution air supply Fig. 6.3: Direct connection of the testo REXS to the DUT with additional dilution air supply with volume (V) to avoid pulsation...

  • Page 28: Testo Rexs Testing/Programming Gui

    REXS Testing/Programming GUI Note: The testo REXS Graphical User Interface (GUI) is delivered on CD or as an electronic installer. The quick guide is also stored on CD. 7.1.

  • Page 29: Uninstallation Procedure

    4.1. If the runtime engines are not already present, the testo REXS GUI installer will install them as well. All REXS GUI files will be stored in the program file directory, and a start menu entry is created: Start -> all programs -> Testo -> REXS GUI -> FMC V2.00.
  • Page 30 If you need to know the accurate aerosol temperature at the entrance point of your DUT (e.g. filter), install a separate temperature sensor in a appropriate position. Fig. 7.1: testo REXS GUI window...

  • Page 31: Operation Of The Testo Rexs Gui

    Connect testo REXS to power and gas supply and perform the start-up procedure, until „IDLE“ is displayed on the testo REXS display. Start the GUI by clicking Start -> all programs -> Testo -> REXS GUI -> REXS GUI Vx.xx. The GUI will open and automatically run.
  • Page 32 To exit the testo REXS GUI, click exit. A message window is displayed. Fig. 7.4: Exit message window If you are exiting the software while testo REXS is still running, a window will appear and ask you how to proceed: •...

  • Page 33: Errors/Troubleshooting

    7.7.1. Communication Errors A communication error occurs if the testo REXS GUI fails to establish a connection to testo REXS, or if the communication is interrupted. The following error messages are displayed:  internal program code errors with description ...
  • Page 34 No valid operating point defined ER21 - IGNF Ignition failure If the testo REXS GUI is connected to testo REXS, the error is also displayed in a error window. Shut down Testo REXS, locate the error source, fix the error and then click OK.
  • Page 35 Table: Error messages not on testo REXS display If the testo REXS GUI is connected to testo REXS, the error is displayed in an error window. Shut down testo REXS, locate the error source, fix the error and then click OK...

  • Page 36: Appendix

    /min, with backup HEPA filter suction Safety features Optical flame detection sensor in the burner. Pressure sensor and pressure switch stop testo REXS if the pressure inside the burner exceeds 500 mbar. Gas detector inside testo REXS initiates gas alarm and emergency stop if C concentration exceeds 0.1% / 1.0 %.

  • Page 37: Service Guide

    8 Appendix Remote PC remote control through EIA 232 serial interface, software included operation External Opening contacts emergency stop Assembly - Mobile 19”-rack - blockable castors - carrier for 3 compressed cylinders of 10 liters each - slide to adjust aerosol output position - drawer for laptop PC and drawer for accessories Weight Approx.

  • Page 38: Cleaning Of The Spark Ignition Electrode

    8.2.5. Cleaning of the Optical Flame Detection Unit 1. Disconnect testo REXS from electrical power and all gas lines. Let the system cool down. 2. Remove the protection cover that covers the burner (if mounted). 3. Disconnect the plug X302 (11.5 mm diameter 4 pin plug) from the small steel case at the bottom of the burner.

  • Page 39: Definitions, Units And Conversion Table

    8 Appendix 12. Connect the plug X302 to the socket. 13. Re-attach the protection cover of the burner. 14. Connect testo REXS to all gas lines and to electrical power. Fig. 8.1: Flame detector 8.3. Definitions, Units and Conversion Table...
  • Page 40 8 Appendix (ml) = (m3) (cin) (cft) (ccm) 1 000 1.0 · 10 61 024 35.315 0.001 1000 61.024 0.0353 1 ml = 1 c 1.0 · 10 0.001 0.0610 3.531 · 10 1 cin 1.639 · 10 0.0164 16.387 5.787 ·...
  • Page 42 Testo SE & Co. KGaA Testo-Strasse 1 79853 Lenzkirch Germany phone: +49 7653 681 5062 fax: +49 7653 681 95062 e-mail: sales-nanoparticle@testo.de...

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