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SERVOPRO CHROMA Gas Analyser 

 

 

 

 

135 

04400001A / Revision 7 

 

  

 

13 

ANALYSER TROUBLE SHOOTING

 

 

This section addresses some of the typical issues that may be experienced whilst 
operating the SERVOPRO Chroma. The section describes the observed symptoms, 
the likely causes, and the potential solutions.  
 
If these steps do not resolve the issue, then contact Servomex for technical support. 
 

 

Symptom #

Symptom description

Cause

1

Baseline noise

1,2,3,4,5,21,24

2

Unstable baseline

1,2,3,4,5,21,24

3

No peak

6,7,8,9,19,22,23,24,26

4

Saturated detector signal

1,2,3,4,19,21,24

5

Negative peaks

1,2,3,4,24

6

NMHC baseline drift

10

7

Poor repeatability on span calibration

1,2,3,4,5,11,12,13,20,21,23,24,25

8

Poor repeatability on process gas

1,2,3,4,5,12,21,23,24,25

9

Results drift on span calibration gas

14,15,23,24

10

Peak elution time moving

11,22,23,24

11

Sensitivity  change on span calibration gas

1,2,3,4,16,17,21,23,24

12

Span calibration peak not inside window

9,23,24,25,26

13

Unexpected peak on zero gas (blank)

27

14

High carrier flow consumption

28

 

 
 
 

 

 

 

 

Table 36 : Troubleshooting Typical Issues 

–

 Symptoms 

 

Содержание SERVOPRO Chroma

Страница 1: ...Part Number 04400001A Revision 7 Language UK English SERVOPRO Chroma OPERATOR MANUAL ...

Страница 2: ...SERVOPRO CHROMA Gas Analyser 1 04400001A Revision 7 ...

Страница 3: ...4 2 SERVOPRO Chroma Reduced Rear Connections 15 1 5 Auxiliary Oven 17 1 5 1 Description of Auxiliary Oven 17 1 5 2 Auxiliary Oven Rear Connections 17 1 6 Standalone PC Rear Connections 18 2 Software license 20 2 1 MICROSOFT SOFTWARE LICENSE TERM 20 3 Specifications 31 3 1 General 32 3 2 Gas 33 3 3 Ovens Specification 34 3 4 Environmental Limits 34 3 5 Digital Relay Outputs 34 3 6 4 20 mA Outputs 3...

Страница 4: ...agnostic Menu 49 4 5 1 Diagnostic 49 4 5 2 Analyse Chromatogram 52 4 5 3 Trending 55 4 5 4 Advanced Diagnostic 58 4 6 Configuration Menu 60 4 6 1 System 60 4 6 2 Proportional Integral Derivative PID 64 4 6 3 Flow 65 4 6 4 Cycle 66 4 6 5 Date Time 73 4 6 6 Advanced Configuration 74 4 6 7 Alarm 80 4 6 8 Printers 81 4 6 9 Export the Analyser Configuration 82 4 7 Analyser Calibration 83 4 7 1 Noise Th...

Страница 5: ... Master and Secondary Chassis 109 2 Auxiliary Oven 110 7 START UP AND SHUTDOWN PROCEDURE 111 7 1 Equipment Tools 111 7 2 Installation requirements 111 7 3 Start up procedure 111 7 4 Shut down procedure 113 8 ROUTINE MAINTENANCE 114 9 STORAGE AND DISPOSAL 115 9 1 Storage 115 9 2 Disposal 115 10 COMPLIANCE 116 11 RS 232 ADDENDUM 117 11 1 Start analysis 117 11 2 Analyser status 117 11 3 Send results ...

Страница 6: ...SERVOPRO CHROMA Gas Analyser 5 04400001A Revision 7 12 11 FID Troubleshooting 134 13 ANALYSER TROUBLE SHOOTING 135 14 PRODUCT DISPOSAL WEEE Directive 139 15 REACH REGULATION 139 ...

Страница 7: ...nu summary of functions 57 Table 19 Oven set point 62 Table 20 Peak Configuration Columns 68 Table 21 Peak Data 68 Table 22 Peak Configuration Menu 68 Table 23 Digital Output Contacts 102 Table 24 4 20 mA connections and associated fuses 104 Table 25 RS 232 Start Analysis 117 Table 26 RS 232 Analyser Status 117 Table 27 RS 232 Send Results 118 Table 28 RS 232 Enable Disable Calibration 119 Table 2...

Страница 8: ...iagnostic Trending menu 55 Figure 20 Trending menu valve state 57 Figure 21 Diagnostic Advanced Diagnostic menu 58 Figure 22 Configuration System menu 60 Figure 23 Configuration PID menu 64 Figure 24 Configuration Flow menu 65 Figure 25 Configuration Cycle menu 66 Figure 26 Cycle Peak Configuration menu 67 Figure 27 Peak detection configuration menu 69 Figure 28 Valve configuration menu 70 Figure ...

Страница 9: ...ions 101 Figure 51 Digital input connection 102 Figure 52 Digital outputs connection 103 Figure 53 4 20 mA schematic and external connections 104 Figure 54 Connecting a fuel shut off valve 106 Figure 55 Advanced menu 120 Figure 56 Advanced Configuration FID menu 121 Figure 57 Advanced Detector menu 123 Figure 58 Advanced Configuration Flow menu 124 Figure 59 Advanced oven menu 125 Figure 60 Monito...

Страница 10: ...nt before you attempt to install use or maintain the SERVOPRO Chroma Important safety information is highlighted in this manual as WARNINGs and CAUTIONs which are used as follows WARNING Warnings highlight specific hazards which if not addressed may result in personal injury or death CAUTION Cautions highlight hazards which if not addressed can result in damage to the SERVOPRO Chroma or other equi...

Страница 11: ...r chassis and secondary chassis is fitted with an electronic system to control its detector s and data acquisition All instrument parameters are controlled by the SERVOPRO Chroma analytical software package Each impurity peak is reported on screen with its process value The software offers advanced diagnostic tools and trending features to ease the configuration parameter definition and support th...

Страница 12: ...jected to which cause the emission of light The presence of the impurities in the sample gas to be analysed will alter the spectrum of emitted lines Characteristic emission spectra can be obtained for carrier gas and each substance in it 1 3 3 Flame Ionisation Detector FID The low noise flame ionization detector FID is designed to measure hydrocarbons from the sub ppm to percentage level The sampl...

Страница 13: ...pply is used The signal conditioning board can accept signals from up to 7 detectors The various signals can be monitored from the diagnostic menu The signal conditioning module has its own microcontroller to communicate with the main PC 1 3 6 Main PC and graphic display The main PC board manages all User Interface I O and sends the information to the I O board and the Signal Conditioning board vi...

Страница 14: ... cable connector The 40 pin I O connector mounted on the rear panel of the instrument may be disconnected from the analyser without the need to unscrew each wire individually The I O board holds the fuses for the I O Each fuse is socket mounted to make replacement easy Digital I O Analogue I O 1 isolated digital input 8 remote range dry contact outputs 2 alarm dry contact outputs 1 system status d...

Страница 15: ...to detector 1 14 Carrier gas inlet to detector 2 15 Carrier gas vent 16 Detector 1 vent 17 Detector 2 vent 18 Detector 3 vent 19 Supporting gas inlet 20 Sample gas vent 21 Sample gas inlet to detector 1 22 Sample gas inlet to detector 2 Several of the ports shown above are optional and may be fitted depending on the analyser configuration and intended use WARNING Any Connections on the Rear Panel ...

Страница 16: ...ed to the secondary chassis in a system with a master chassis 1 Power inlet with switch and fuse 2 RS 485 3 Carrier gas inlet 4 Carrier gas vent 5 Detector 1 vent 6 Detector 2 vent 7 Sample gas vent 8 Sample gas inlet 1 process 9 Sample gas inlet 2 span Note the RS 232 port is replaced with a RS 485 port on Secondary Chassis 1 on an analyser with multiple secondary chassis ...

Страница 17: ...n FID Detector fitted When a FID detector is installed in the SERVOPRO Chroma the function of some of the rear gas connections are changed as shown in Figure 3 1 FID Detector vent 2 Fuel inlet 3 Air inlet 4 H2 contacts to control the fuel shut off valve see section 6 2 7 See Section 12 for more information on the FID detector ...

Страница 18: ...d to the specific channel making the N2 determination and removes the small volume of interfering background gas which has co eluted with the N2 prior to the passing to the detector 1 5 2 Auxiliary Oven Rear Connections Figure 4 Auxiliary Oven rear connections 1 Power inlet 2 Oven inlet connect to Trap In gas connector on Master or Secondary Chassis 3 Oven outlet connect to Trap Out gas connector ...

Страница 19: ...ed with the standalone PC USB Ethernet must be fitted with ferrite beads Würth 74271131 or 74271221 depending on cable size which should be clamped around 2 turns of cable CAUTION To comply with the requirements of the EU EMC Directive the front USB port should be use with a USB memory stick only Rear USB port to be used with Keyboard mouse or USB memory stick only Only keyboard supplied by Servom...

Страница 20: ...l protective equipment WARNING Improper installation operation or service of this analyser may cause damage to the analyser and void the manufacturer s warranty WARNING All connections must be properly connected and leak free Improper gas connection could result in explosion or death WARNING Do not operate unless the cabinet is securely closed Servicing this instrument implies possible exposure to...

Страница 21: ...ll of these terms and consent to the transmission of certain information during activation and during your use of the software as per the privacy statement described in Section 3 If you do not accept and comply with these terms you may not use the software or its features You may contact the device manufacturer or installer or your retailer if you purchased the software directly to determine its r...

Страница 22: ... License The software is licensed not sold Under this agreement we grant you the right to install andrun one instance on your device the licensed device for use by one person at a time so long as you comply with all the terms of this agreement Updating or upgrading from non genuine software with software from Microsoft or authorized sources does not make your original version or the updated upgrad...

Страница 23: ...ns Hardware or software you use to multiplex or pool connections or reduce the number of devices or users that access or use the software does not reduce the number of licenses you need You may only use such hardware or software if you have a license for each instance of the software you are using iii Device connections You may allow up to 20 other devices to access the software installed on the l...

Страница 24: ...the software on a device with automated teller machine ATM as the primary functionality vii Cloud Computing Devices If your device uses Internet browsing functionality to connect to and access cloud hosted applications i no desktop functions may run locally on the device and ii any files that result from the use of the desktop functions may not be permanently stored on the industry system Desktop ...

Страница 25: ...authorized method When you connect to the Internet while using the software the software will automatically contact Microsoft or its affiliate to confirm the software is genuine and the license is associated with the licensed device You can also activate the software manually by Internet or telephone In either case transmission of certain information will occur and Internet telephone and SMS servi...

Страница 26: ...onsent of all parties We our and us includes Microsoft the device manufacturer and software installer c Disputes covered everything except IP The term dispute is as broad as it can be It includes any claim or controversy between you and the manufacturer or installer or you and Microsoft concerning the software its price or this agreement under any legal theory including contract warranty tort stat...

Страница 27: ...y to an arbitrator s decision called an award and the arbitrator awards you more than this last written offer the manufacturer or installer or Microsoft if your dispute is with Microsoft will 1 pay the greater of the award or 1 000 USD 2 pay your reasonable attorney s fees if any and 3 reimburse any expenses including expert witness fees and costs that your attorney reasonably accrues for investig...

Страница 28: ...party from which you acquired the software This agreement does not change those other rights if the laws of your state or country do not permit it to do so For example if you acquired the software in one of the below regions or mandatory country law applies then the following provisions apply to you c Australia References to Limited Warranty are references to the express warranty provided by Micro...

Страница 29: ... Internet more efficiently but the software s usage calculations may be different from your service provider s measurements You are always responsible for i understanding and complying with the terms of your own plans and agreements and ii any issues arising from using or accessing networks including public open networks You may use the software to connect to networks and to share access informati...

Страница 30: ...he software and any such supplements updates and services unless the manufacturer or installer or Microsoft provides other terms with such supplements updates or services You can review this agreement after your software is running by going to microsoft com useterms or going to Settings System About within the software You can also review the terms at any of the links in this agreement by typing t...

Страница 31: ...UFACTURER OR MICROSOFT ONLY DIRECT DAMAGES UP TO THE AMOUNT YOU PAID FOR THE SOFTWARE OR UP TO 50 USD IF YOU ACQUIRED THE SOFTWARE FOR NO CHARGE YOU WILL NOT AND WAIVE ANY RIGHT TO SEEK TO RECOVER ANY OTHER DAMAGES OR REMEDY INCLUDING LOST PROFITS AND DIRECT CONSEQUENTIAL SPECIAL INDIRECT OR INCIDENTAL DAMAGES UNDER ANY PART OF THIS AGREEMENT OR UNDER ANY THEORY THIS LIMITATION APPLIES TO I ANYTHI...

Страница 32: ...ded to the case of the Master Secondary unit using braid less than 20 cm long WAR CAUTION To comply with the applicable requirements of EU EMC Directive The case of the Standalone PC shall be bonded to the case of the Master Secondary unit using braid less than 20 cm long WAR CAUTION To comply with the applicable requirements of EU EMC Directive The assembly shall be bonded to a local EMC earth Th...

Страница 33: ... 120 Vac or 220 to 240 Vac1 2 50 to 60 Hz 400 VA 400 VA 60 VA Fuse rating type Master Secondary chassis Stand alone PC Two fuses 4 amp 250 V Time delay Type T or equivalent miniature fuses 5 x 20 mm Two fuses 1 amp 250 V Time delay miniature fuses 5 x 20 mm Carrier gas pressure rating Minimum plasma TCD Minimum FID Maximum 630 6 kPa 90 psig 828 6 kPa 120 psig 828 6 kPa 120 psig Sample gas pressure...

Страница 34: ...ium Carbon Dioxide Nitrous Oxide for other sample gases contact Servomex 69 0 to 137 9 kPa 10 to 20 psig 25 cc min to 150 cc min For analyser fitted with FID Gas used for combustion Pressure range for Air and Fuel Air flow Fuel flow Air and Hydrogen3 103 4 to 206 9 kPa 15 to 30 psig 300 to 500 cc min 30 to 100 cc min Table 3 Gas Specification 3 Hydrocarbon traps must be used to remove hydrocarbons...

Страница 35: ...Ambient Table 4 Ovens specification 3 4 Environmental Limits Ambient temperature range 5 C to 40 C Operating ambient humidity range 0 to 95 RH non condensing Maximum Operating altitude 2000 m max Ingress protection IP20 Table 5 Environmental limits 3 5 Digital Relay Outputs Maximum voltage 24 VDC Maximum current 1 Amp Cable requirements Type Maximum size Multi core cable with overall screen 0 82 m...

Страница 36: ...nge 4 to 20 mA Less than 4 mA More than 20 mA 24 mA maximum Cable requirements Type Size Multi strand twisted pair with overall screen 0 2 3 3 mm2 24 12AWG Maximum length 30 m Table 7 4 20 mA outputs 3 7 Digital Inputs Maximum voltage 24 VDC Maximum current Isolation from earth Isolation from other circuits 1 Amp 30Vac or 60Vdc 30Vac or 60Vdc Cable requirements Type Size Multi core cable with over...

Страница 37: ... Maximum length 30 m Table 9 Hydrogen relay output 3 9 Ethernet Port Cable requirements Standard Connector type 10 100 BaseT RJ45 CAT5 UTP Maximum length 30 m Caution This cable shall not be routed outside the building in which the analyser is installed without the application of screening or similar protection Table 10 Ethernet cable 3 10RS 232 Port Type Male 9 way D connector Cable requirements ...

Страница 38: ... 12USB Connector Type USB Type A Cable requirements Shielded standard USB cable with male Type A connector Maximum length 1 m Table 13 USB port 3 13Mains input cables Master Secondary Standalone PC Type IEC 60320 1 C13 Cable requirements Screened Specified for 10 A 250 Vac Fit with a main plug that meets the requirement of the country where analyser us used Maximum length 2 m Table 14 Mains cable ...

Страница 39: ...umerical value A typical use of this control might be the input of the cycle length Figure 6 Edit Box control When an Edit Box control is available to accept an input a cursor appears To operate an Edit Box control from the keyboard Press LEFT or RIGHT to move the cursor Press HOME to move the cursor to the beginning of text Press END to move the cursor to the end of the text 4 1 2 Radio control T...

Страница 40: ... up one position Press DOWN to move the slider down one position Press HOME to move the slider to the top of the slide Press END to move the slider to the bottom of the slide To operate from the mouse move the slider to the required position 4 1 4 Push button control Click on a push button to initiate the action that is displayed on the button Figure 9 Button control To operate a button from the k...

Страница 41: ...eft clicking with the mouse to highlight the cell then enter the new value 4 1 6 Combo control The Combo Box control is used to choose a value between sets of predetermined values Figure 11 Combo Box control To operate a Combo Box with the keyboard press UP and Down to change between the different values To operate using the mouse left click on the arrow and then left click on the desired value ...

Страница 42: ...it checked enabled or unchecked disabled To operate using the mouse left click in the check box to make it checked enabled or unchecked disabled 4 1 8 Tab control The Tab control is used to switch between different pages of data For example a tab in the RUN REAL TIME CHROMATOGRAM MENU can be selected to toggle between each conditioning boards To operate using the mouse left click on the desired ta...

Страница 43: ... 1 Real Time Chromatogram Menu The REAL TIME CHROMATOGRAM menu can initiate a cycle and visualise the resulting real time chromatogram The chromatogram presents all the peak data that can be configured in the CONFIGURATION CYCLE menu To access the RUN REAL TIME CHROMATOGRAM menu see Figure 15 press CTRL R or click on Run and then Real Time Chromatogram The following information is also displayed i...

Страница 44: ...he starting time and the ending time If a peak is found the peak that is detected and used for integration is shown in yellow below the raw signal coming from the detectors During the cycle the progress bar rises with time The bar starts at the left and ends at the right The cycle length can be set in the CONFIGURATION CYCLE MENU During a peak a green circle appears at the corresponding peak of th...

Страница 45: ...ted impurity Select a peak in the upper left grid of the REAL TIME CHROMATOGRAM MENU and then press the Historic Values F3 button to see these values 4 3 6 Historic Alarm F4 Press the Historic Alarm button to access the Historic Alarm menu This button will turn red when an alarm occurs turn yellow when the menu is opened and alarms are still active and turn green if the problem is resolved The His...

Страница 46: ...for a filename to be entered Load this file from the ANALYSE CHROMATOGRAM MENU The button is enabled only when no cycle is in progress Delete trending data that is no longer required by using the Delete button of the ANALYSE CHROMATOGRAM MENU When the hard drive is 99 full saved data will be over written with the new data The oldest data will be over written first Note that a tick mark little vert...

Страница 47: ...ht corner of this menu 4 4 Historic Menu 4 4 1 Alarm Menu Displays the last 200 system alarms peak value alarms and event logs and all the current active alarms 1 System alarms Low sample flow When the sample flow goes below 10 cc min with a sample flow set point greater than 10 cc min Low carrier flow When the carrier flow falls below 5 cc min for the plasma detector and 2 cc min for the TCD for ...

Страница 48: ...he carrier flow is higher or lower than the carrier flow set point by 2 cc min the injection is still possible and the system continues to report process values Oven temperature deviation When an oven temperature is higher or lower than the oven temperature set point by 2 degree Celsius or more Communication problem When the user interface PC cannot exchange any data with an electronic board insid...

Страница 49: ... the settings in the CONFIGURATION ALARM menu Peak value alarm 1 and 2 each have a separate dry contact output that is activated or deactivated depending on the CONFIGURATION ALARM menu when the alarm thresholds are reached Some system functions such as a real time chromatogram are disabled when alarms are active Rectify the problems before proceeding with your analysis When the problem is resolve...

Страница 50: ...enu is divided in hardware component groups Acquisition boards read signals coming from detectors applying polarisation IO boards viewing oven temperatures changing plasma power Pressure regulators viewing regulated flows with corresponding counts and PSI values Figure 17 Diagnostic menu Depending on the configuration of the analyser different parameters are displayed under the corresponding tab o...

Страница 51: ...tage applied at the input of the acquisition board to provide an offset to the signal This is used with a FID flame ionisation detector Scale Factor Displays the scale factor in use x1 x2 x5 or x10 applied to the gain when range 1 is in use The multiplier can be set in the Range1 factor column in the Peak data grid of the CONFIGURATION CYCLE menu This factor also corresponds to the gain factor of ...

Страница 52: ...gnostic menu Table 16 lists parameters that can be manually changed to help diagnose a problem Parameter Meaning Active Detector Selects the detector seen by the system Only detectors for the conditioning board selected with the tab control can be selected Gain Changes the system gain Pre Amp Toggles between Pre Amp gain stage which can be 1 2 3 or 4 Scale Factor Toggles between factors which can ...

Страница 53: ... the menu is first opened the software requests the name of the file that has previously been saved This can be a real time chromatogram or a trending one You can change the chromatogram by using the Load F6 button Real time chromatograms are saved with the rlt extension and trending chromatograms with the trd extension A square cursor can be used to move through each line of the graph The positio...

Страница 54: ...t control for each position will be automatically reported in the Start and End cells of the Peak data grid in the CONFIGURATION CYCLE menu for the peak selected after having pushed the Set times as start end F4 button To change the time for each position move the cursor to the desire position on the graph and click on the corresponding button either Set Position 1 F2 or Set Position 2 F3 The diff...

Страница 55: ...lete F7 Removes a trending from the memory Load F6 Opens and displays a trending file saved in memory Set times as start end F4 Changes the starting and the ending of the peak you select with the values of time specified by the cursors positions Print Alt F2 Prints the screen Export Exports the Chromatogram to the USB memory stick Detector No F5 Move the cursor on the graph for the corresponding d...

Страница 56: ...ain generator power and frequency These values must then be entered in the peak data table Before starting a trending ensure all parameters set in the CONFIGURATION SYSTEM menu such as sample flow carrier flow oven temperature have stabilised It is important that the gain the detectors and the generator power are configured correctly These parameters can be changed during the trending process 1 St...

Страница 57: ...ed for that valve see Figure 20 If the box in the Follow column is unchecked the valve can be manually turned on and off using the combo box located in the State column The valve table showing the timings for a valve to turn ON or OFF can be accessed using the CONFIGURATION CYCLE VALVES menu 6 Active Detector tab When the Active Detector tab of the left bottom grid is selected all configurations f...

Страница 58: ...g menu valve state Push Button Hot key Functions Start Stop F2 Start and Stop a trending Generator Power F3 Set the generator power for the detector Re Zero F4 Executes a Zero Re Zero Det F5 Change the detector to make the zero Print Alt F2 Print the graph Save Alt F3 Save the trending Undo Zoom F8 Restore the zoom to the original trending Table 18 Trending menu summary of functions ...

Страница 59: ...re 21 Diagnostic Advanced Diagnostic menu 1 4 20 mA Diagnostic This combo box is used to manually control the 4 20 mA analogue outputs First select the board to diagnose by using the combo box just under the title 4 20mA Diagnostic Enter a value in the grid from 4 to 20 for the corresponding 4 20 mA and press ENTER The analogue output will be set to this value and will stay at this value until it ...

Страница 60: ...ostic This combo box is used to confirm the valves on the I O Boards are working properly Select the I O Board to diagnose by using the combo box just under the title Valves Diagnostic Use the combo box in the state column of the grid to switch the valve ON or OFF The value is applied after an ENTER on the keypad or when a mouse click is performed outside the combo box 4 Status Alarm 1 and Alarm 2...

Страница 61: ...onfiguration System menu 1 Analogue output Two modes are available The Hold mode maintains the 4 20 mA outputs even if a new cycle is started The Track mode ensures the analogue outputs always track input gas values 2 mA Failure mode In the case of a system status alarm this control sets all the 4 20 mA outputs below 4mA if LOW is selected and higher than 20 mA if HIGH is selected Selecting OFF wi...

Страница 62: ...a peak is lower than 90 of the lower range currently set the analyser switches to this lower range As this process is independent for all peaks in Automatic ranging the second peak range can stay the same even if the first peak changes range 5 Auto Start on Boot Up When set to Yes will try to start a cycle or several cycles if The Injection mode has been set to Automatic on the analyser boot up af...

Страница 63: ...e 19 Oven set point DO NOT CHANGE THESE SETTINGS they are facto configured 8 Remote Starting Enable When this check box is checked a cycle can be started by the digital input 1 The edit box specifies the time that elapsed before the cycle starts after the digital input 1 is activated When the 24 Volts is applied to the digital input 1 the remote starting countdown starts it can be viewed in the RU...

Страница 64: ... CHROMATOGRAM menu so that the ranges cannot be changed even if manual ranging is ON 12 Print configuration This button is used to print the system configuration For analysers with multiple configurations this function will only print the current system configuration 13 Change password This button is used to set a new password for the SERVOPRO Chroma This password is used to quit the software or t...

Страница 65: ...ision 7 4 6 2 Proportional Integral Derivative PID Click on Configuration on the menu bar and then on PID to access the CONFIGURATION PID menu see Figure 23 DO NOT CHANGE THESE SETTINGS they are factory configured Figure 23 Configuration PID menu ...

Страница 66: ...nfiguration on the menu bar and then on Flow to access the CONFIGURATION FLOW MENU see Figure 24 This menu shows the flow sensor table set up during factory configuration The information on this table may be useful when servicing the analyser Figure 24 Configuration Flow menu ...

Страница 67: ...stem information when a cycle Real time chromatogram is in progress 1 General Cycle Data and 4 20 mA Peak Association This menu is used to set the duration of the cycle length of one chromatogram and the duration displayed in the REAL TIME CHROMATOGRAM menu It is also used to assign a peak to a specific 4 20 mA output DO NOT CHANGE THESE SETTINGS they are factory configured Figure 25 Configuration...

Страница 68: ...enu shows general information see Table 20 Peak Configuration Columns Additional information about the peak currently highlighted in the grid is shown in the area below the grid This information depends on the type of detector see Table 21 Peak Data The available Functions for the Peak Configuration menu are shown in Table 22 Peak Configuration Menu DO NOT CHANGE THESE SETTINGS they are factory co...

Страница 69: ... maximum full scale of the analyser Range 1 Shows the factor selected to re scale Range 2 to the lower Range 1 Unit Unit of the peak PPM PPB or Sample loop Volume of sample introduced in ccs ml Table 20 Peak Configuration Columns Polarity The polarity Follower or Inverter Gain The peak gain Plasma generator Pwr Detector Generator Power used for the corresponding peak Pre Amp Shows the stage of the...

Страница 70: ...on This menu allows modification of constants that are used in the peak detection see Figure 27 The key parameters in this menu are described below for information only Figure 27 Peak detection configuration menu DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 71: ...lve state Each row in the grid indicates a sequence for the selected valve see the example shown in Figure 29 The timings for valve ON open or OFF close are set during factory configuration Figure 28 Valve configuration menu Figure 29 Typical sequence for valve timing DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 72: ...is used to change a flow set point during a cycle A time of 7200 secs means that this point is not in use In the example shown in Figure 30 the set point is 30 cc min at the beginning of the cycle and will not change during the cycle because the other timings are set to 7200 secs Figure 30 Flow timing configuration menu ...

Страница 73: ...SERVOPRO CHROMA Gas Analyser 72 04400001A Revision 7 DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 74: ...e Time Click on Configuration on the menu bar and then on Date Time to access the CONFIGURATION DATE TIME menu see Figure 31 Use the combo box control to change the value of the date and the time Click on Apply to set the desired value Figure 31 Date and Time menu ...

Страница 75: ...f a password The default password is the serial number of the analyser and can be changed in the CONFIGURATION SYSTEM CONFIGURATION menu Contact Servomex before changing any parameter shown in this menu 1 General Figure 32 Advanced configuration General menu The General menu shows the entries for electronic boards components and functionalities see Figure 32 The menu allows alarm and error monitor...

Страница 76: ...he analyser will stop advising of problems The menu allows the RS232 communication can be turned ON and OFF if this option has been supplied DO NOT CHANGE THESE SETTINGS they are factory configured Use the Take Snapshot button to send to Servomex to help diagnose a problem in the analyser Use this button only under supervision from Servomex ...

Страница 77: ...ector is associated to the plasma cell by selecting its location on an I O board and its number on this I O board The plasma detector association is used to process alarms such as Plasma Off Plasma On and Plasma Starting This list includes all detectors including those contained within any secondary units connected to the master unit or stand alone PC An individual conditioning board can process u...

Страница 78: ...asma detector See Figure 34 Advanced configuration Flow menu The menu shows the name given to each flow and its location on the appropriate I O Board and for a carrier regulator its association with a plasma detector used to generate alarms and errors For sample regulators there is no association with a plasma detector DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 79: ...ser 78 04400001A Revision 7 4 Valve The Valve menu associates a valve number to a valve channel on an I O Board see Figure 35 DO NOT CHANGE THESE SETTINGS they are factory configured Figure 35 Advanced configuration Valve menu ...

Страница 80: ...r 79 04400001A Revision 7 5 Oven The Oven menu associates an oven with an I O Board and a channel on the I O board see Figure 36 DO NOT CHANGE THESE SETTINGS they are factory configured Figure 36 Advanced configuration Oven menu ...

Страница 81: ...M MENU see Figure 37 This menu allows configuration of the alarms The status alarm relay can be closed or opened when a status alarm is activated by clicking on the relevant radio box button To set the active state for the Alarm 1 and Alarm 2 relay on the I O Board use the corresponding combo box in the Alarm State grid Figure 37 Configuration Alarm menu ...

Страница 82: ...rinter copy the printer driver to a USB stick and then insert into the USB port on the front of the analyser Click on the Add Printer button and enter the password either c a i or the serial number of the analyser A new dialog wizard window will appear showing a list of available printers For added security it is recommended to use only network printers Select the network printer to add and follow...

Страница 83: ...access the CONFIGURATION SYSTEM menu Insert a USB stick in the USB port on the front of the analyser Click on the Export Configuration button to export the data to the USB stick A message will appear confirming the export operation has started After 5 minutes the stick can be removed from the USB port Note refer to the Service Manual for instructions on how to import the configuration files back t...

Страница 84: ...analysed The analyser must be properly started and purged before the execution of a calibration The calibration procedure consists of the Noise Threshold Calibration followed by the Span Calibration Figure 39 Calibration menu 4 7 1 Noise Threshold THRSH Calibration This calibration step determines the noise level used for the peak detection process No injection will be made as this is a noise base...

Страница 85: ... displayed in the TRS done column of the grid 8 Disable the Noise Threshold Calibration with the Disable F2 button one button performs dual functions Enable or Disable depending on the active mode 4 7 2 Span calibration The calibration procedure is described below 1 Click on Run Real Time Chromatogram then select the Automatic Injection option 2 Click on the Calibration Calibration menu see Figure...

Страница 86: ...s with consistent peak values within 3 FS press the RE SPAN button to accept the calibration A pop up box question will appear Are you sure you want to re span Select YES to accept the calibration The Result column will be updated with the value set in the Span Gas column and the Response Factor column will be re calculated 14 When the Span Calibration is completed YES is displayed in the Span Don...

Страница 87: ...hen calibration is enabled Other parameters displayed on the grid are Area Count this is the area that covers the peak in counts digital converter units This area is used to generate the concentration displayed in the Result column Response factor this is the area counts divided by the value in the Result column Automatic Re Span when the box is checked the analyser automatically performs a re spa...

Страница 88: ...mA outputs are normally on the first I O board for a multiple chassis analyser Step 2 Select the output to be calibrated Step 3 Connect an ammeter to the rear panel of the analyser on the corresponding output Step 4 Output a value between 0 and 100 eg 20 by entering the value in the edit box to the left of the Set button and then click on this button Step 5 Enter the ammeter reading in the edit bo...

Страница 89: ...yser required to use the Report Software Two types of IP address can be configured Static or DHCP A static address is an address that is manually set once and a DHCP address is an address that is automatically set by a router on the network To set a Static IP address select the Static type enter the three configuration parameters then press the Set Static Parameter F3 button The Disconnect from Da...

Страница 90: ...ftware button is used to test the analyser detection of a USB key that can then be used to acquire data for the Report Software 4 9 2 Remote Control Click on Remote on the menu bar and then on Remote Control to access the REMOTE REMOTE CONTROL menu see Figure 43 Figure 43 Remote Remote control menu This menu sets the network port number on which the remote control software will communicate with th...

Страница 91: ... the menu bar to access the ABOUT MENU Figure 44 About menu This menu shows the software version of the user interface PC the firmware versions of the embedded electronic boards and information about the memory usage This information will be useful when contacting Servomex support ...

Страница 92: ... on the complexity of the analysis When the stored data reaches 99 capacity the new data will over write the files starting with the oldest To transfer the data insert a USB key into the port at the front of the analyser and press the Transfer to USB stick button All the stored data will be transferred to the USB key If the USB key is not detected an error message will be displayed Chromatograms a...

Страница 93: ...tton on the menu bar before the analyser is powered off If you close the analyser without using Quit there is the risk that data will be corrupted After the Quit button has been pressed wait for the black screen and then turn the power supply off using the power switch on the back of the analyser When clicking on the Quit button the analyser will request a password ...

Страница 94: ...tely contact Servomex or local Servomex agent 4 If the analyser is not going to be used immediately o Place the analyser and any other equipment supplied back in its protective packing o Store the analyser as described in Section 9 1 5 Otherwise read Section 4 User Interface then continue to Section 6 onwards to install set up and operate the analyser Retain the shipping documentation and packagin...

Страница 95: ...alent to ensure that the equipment is supported both by the front and the back 6 1 1 Electrical safety WARNING Ensure that the electrical installation of the analyser conforms to all applicable local and national electrical safety requirements WARNING Failure to follow the safety instructions given below when you install the analyser may invalidate the analyser warranty or may cause the analyser n...

Страница 96: ...with a sound earth connection via the electrical supply plug All signal and electrical supply cables must be rated of temperature of 70 C or higher Route cables that you connect to the analyser so that they do not present a trip hazard When carrying out insulation testing disconnect all cables from the analyser 6 1 2 Master chassis electrical connections Figure 46 shows how to connect an analyser ...

Страница 97: ...SERVOPRO CHROMA Gas Analyser 96 04400001A Revision 7 WARNING The units shall only be connected using the cables supplied by Servomex ...

Страница 98: ... cables see section 3 13 If an auxiliary oven is supplied connect the cable coming out of the auxiliary oven to the chassis connector named Auxiliary Oven see section 1 5 2 The cable carries the power supply and the temperature measurement The master chassis communicates with the secondary chassis using RS 485 ports Connect both RS 485 ports using the provided high density DB 9 cable see section 3...

Страница 99: ...s connects to the first RS 485 port of Secondary Chassis 1 The second RS 485 port of Secondary Chassis 1 connects to the RS 485 port of Secondary Chassis 2 Connect the RS 485 ports using the provided high density DB 9 cable see section 3 11 and Figure 48 Figure 48 Master with 2 Secondary Chassis electrical connections WARNING The units shall only be connected using the cables supplied by Servomex ...

Страница 100: ...n 3 13 The stand alone PC must always be connected to the same protective earth as the secondary chassis of the system If an auxiliary oven is supplied connect the cable coming out of the auxiliary oven to the connector named Auxiliary Oven on the stand alone PC The cable carries the power supply and the temperature measurement The stand alone PC communicates with the secondary chassis using a RS ...

Страница 101: ...n analyser supplied as a stand alone PC with two secondary chassis The stand alone PC RS 232 port To Analyser connects to the RS 232 port on the Secondary Chassis 1 The RS 485 port on Secondary Chassis 1 connects to the RS 485 port on Secondary Chassis 2 Both connections should use the provided high density DB 9 cable see section 3 11 and Figure 50 ...

Страница 102: ...SERVOPRO CHROMA Gas Analyser 101 04400001A Revision 7 Figure 50 Stand alone PC with two Secondarys electrical connections WARNING The units should only be connected using the cables supplied by Servomex ...

Страница 103: ...parated from the analyser mains circuits by reinforced insulation The terminals must only be connected to circuits that are themselves separated from mains voltages by an isolation method that provides at least this level of protection 6 2 2 Digital output contacts There are up to 12 dry contact unpowered digital outputs They are connected to a common port and fused In the case of fuse failure cha...

Страница 104: ... circuit is shown in Figure 53 Use a shielded twisted cable to connect between the analyser and the monitoring system with a load resistor connected at the monitoring system A differential input must be used on the data acquisition system to properly monitor the data In case of fuse failure refer to Table 2 and section 6 1 1 The twisted pair must be terminated at a matched pair of numbered output ...

Страница 105: ...3 3 F3 4 4 20 mA 4 4 4 F4 5 4 20 mA 5 5 5 F5 6 4 20 mA 6 6 6 F6 7 4 20 mA 7 7 7 F7 8 4 20 mA 8 8 8 F8 9 NOT USED Table 24 4 20 mA connections and associated fuses WARNING The analogue output terminals are separated from the analyser mains circuits by reinforced insulation The terminals must only be connected to circuits that are themselves separated from mains voltages by an equivalent isolation m...

Страница 106: ...ing any electrical connections 6 2 5 RS 232 port The analyser can be remotely controlled by a computer using the optional RS 232 port The computer is connected to the analyser by the mean of a DB 9 RS 232C Null modem cable The computer must have appropriate software to read the data transmitted by the analyser See the RS 232 addendum for information about the analyser communication protocol WARNIN...

Страница 107: ... normally closed and is controlled by the analyser software In the event of a problem the valve will shut automatically to prevent the accumulation of fuel inside the analyser See the FID Addendum Section 12 for more information when using a FID detector Figure 54 Connecting a fuel shut off valve WARNING The FID relay output terminals are separated from the analyser mains circuits by reinforced in...

Страница 108: ... fitting filter purifier etc which is in contact with the sample or carrier gas to be introduced into the analyser Even small leaks can introduce external contaminants originally not present in the system In most applications leaks are atmospheric inboard leakage For all gas line connections including calibration and sample the use of 1 8 stainless steel tubing minimum wall thickness 0 028 in full...

Страница 109: ...rier gas 1 Gas Purifier The SERVOPRO PureGas purifier is available with either compression or VCR fittings and for use with 110V or 220VAC power supplies The model number to order is 02005A1_0 1 SERVOPRO PUREGAS 1 8 COMP 110V 02005A1_0 2 SERVOPRO PUREGAS 1 8 COMP 220V EU 02005A1_0 3 SERVOPRO PUREGAS 1 8 COMP 220V UK 02005A1_0 4 SERVOPRO PUREGAS 1 8 VCR 110V 02005A1_0 5 SERVOPRO PUREGAS 1 8 VCR 220...

Страница 110: ...nd Secondary Chassis At the back of each chassis there are gas inlet connections for the process and carrier gases which are described below See Figure 1 for the position and description of the gas connections Carrier Inlet 1 The carrier gas is normally He or Ar which will be taken to Carrier Inlet 1 For multiple chassis configurations the carrier gas should be split to feed each chassis Carrier I...

Страница 111: ...port the determination of N2 impurity in O2 or H2 background gas The gas connections at the rear of the oven are shown in Figure 4 Trap In Trap Out The oven Inlet gas connector is taken to the analyser chassis Trap In gas connector The oven Outlet gas connector is taken to the analyser chassis Trap Out gas connector ...

Страница 112: ...vent s The carrier gas must be connected to the analyser before power is applied 1 Verify main voltage rating 2 Connect carrier gas purifier and follow installation instructions 3 Purge the carrier gas line before connecting to the analyser Static purges are recommended to fully purge dead volumes A static purge consists of lowering the delivery pressure close to atmospheric pressure and re pressu...

Страница 113: ...ity and compare to data recorded on analyser TRS This must be done with all chromatographic valves in the off state All Detectors A are specific to nitrogen A reading above 0 10 V for helium carrier and 0 15 V for argon carrier with 65 plasma power indicates a leak in the system 16 For FID Start up the detector as described in Section 12 9 17 For TCD continue to next step 18 To validate the chroma...

Страница 114: ...e analyser to power itself down Turning off the power to the analyser after the screen turns black but before it completes the shutdown procedure may result in loss of data 2 Wait for one hour to let column cool down with all gases connected 3 Disconnect all gases WARNING Do not install caps on vent if carrier or sample gas inlets are still connected This will damage the detector 4 Install caps on...

Страница 115: ... must be the same value as for the previous calibration procedure This will ensure the same sample volume is injected The default value is 50 cc min per channel 4 Clean the cabinet fan filter periodically This will support effective cooling and avoids problems caused by high internal temperature 5 An Auxiliary oven will be used with some applications with O2 and H2 background gases The trap in thi...

Страница 116: ...ociated equipment in a clean dry area Do not subject it to excessively hot cold or humid conditions 9 2 Disposal Dispose of the analyser and any associated equipment safely and in accordance with the local and national safety and environmental requirements The SERVOPRO Chroma is not suitable for disposal in municipal waste streams such as landfill sites domestic recycling centres and so on Refer t...

Страница 117: ...ge Directive by the application of EN 61010 1 and rated for Over Voltage Category II Pollution Degree 2 The analyser complies with the Class B digital apparatus requirements of ICES 001 of Canada through the application of EN 55011 2009 A1 2010 L analyseur est conforme aux Conditions B numériques d appareillage de classe de NMB 001 du Canada par l application du EN 55011 2009 A1 2010 The analyser ...

Страница 118: ...er No Character ASCII Code No hex Meaning 1 3Eh 2 B 42h command ID 3 1 31h 1 success 4 1 or 0 31h or 30h Analyser ready 1 ready 0 not ready still running 5 1 or 0 31h or 30h Run Modus 1 measurement 0 not measurement 1 3Eh 6 1 or 0 31h or 30h Run Modus 1 calibration 0 not calibration 2 B 42h 7 1 or 0 31h or 30h General Alarm 1 OK 0 Alarme active 3 checksum B 42h 8 1 or 0 31h or 30h Flow Alarm Sampl...

Страница 119: ...0 and 9 20h or 30h to 39h 81 Space or any Character between 0 and 9 20h or 30h to 39h 82 Space or any Character between 0 and 9 20h or 30h to 39h 83 Space or any Character between 0 and 9 20h or 30h to 39h 84 Space or any Character between 0 and 9 20h or 30h to 39h 85 Space or any Character between 0 and 9 20h or 30h to 39h 86 2Eh 87 any Character between 0 and 9 20h or 30h to 39h 88 any Character...

Страница 120: ...n 1 respan 30h or 31h 5 3Ch 5 Peak 2 0 or 1 30h or 31h 6 Peak 3 0 or 1 30h or 31h 7 Peak 4 0 or 1 30h or 31h 8 Peak 5 0 or 1 30h or 31h 9 Peak 6 0 or 1 30h or 31h 10 Peak 7 0 or 1 30h or 31h 11 Peak 8 0 or 1 30h or 31h 12 Peak 9 0 or 1 30h or 31h 13 Peak 10 0 or 1 30h or 31h 14 Chksm X 15 3Ch K4000 Request Command Response Table 29 RS 232 Respan 11 6Change Configuration Character No Character ASCI...

Страница 121: ...e a Flame Ionisation Detector FID in the SERVOPRO Chroma analyser 12 1FID Advanced Configuration General Menu The analyser configuration is set in factory It will not normally require adjustment The Advanced Configuration menu is used to add or remove FIDs by amending the quantity see Figure 55 Figure 55 Advanced menu ...

Страница 122: ...e the pressure sensor used by the FID When Save is clicked the pressure sensor is calibrated with the value entered in the box Carrier 0 100 cc min This carrier set point is only used to ignite the FID This set point is not used during normal operation Air 0 1000 cc min This air set point is only used to ignite the FID This set point is not used during normal operation Fuel 0 200 cc min This fuel ...

Страница 123: ...ier set points are for the ignition When ignite flame is pressed in the Diagnostic menu the analyser will change these set points to ignite the flame and then it will return to the normal value when the flame is lit DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 124: ...st be saved before the modifications take effect by clicking on the Save button Cond Board Select the acquisition board the FID is connected to Channel Select the channel the FID is connected on the acquisition board Starting Count Threshold value read by the detector inside the FID to determine if the flame is lit Location The position of the detector DO NOT CHANGE THESE SETTINGS they are factory...

Страница 125: ...erate Enter the required name in the location field with the correct Parent and Type For example in Figure 58 the name Air has been entered associated with Parent FID 1 and Type FID The same is repeated for Fuel and Carrier The modifications must be saved for the modifications to take effect by clicking on the Save button Figure 58 Advanced Configuration Flow menu DO NOT CHANGE THESE SETTINGS they...

Страница 126: ...ssociated with the FID Select the FID as the Location the Channel will default to Channel 1 as the FID allows configuration of its first oven only The modifications must be saved for the modifications to take effect by clicking on the Save button Figure 59 Advanced oven menu DO NOT CHANGE THESE SETTINGS they are factory configured ...

Страница 127: ...d ovens associated with the FID will be displayed with the other flows and ovens in the analyser in the various analyser menus as shown in the following examples System Configuration menu Figure 60 Monitoring System Configuration menu Real Time Chromatogram menu Figure 61 Monitoring Real Time Chromatogram menu ...

Страница 128: ...SERVOPRO CHROMA Gas Analyser 127 04400001A Revision 7 Trending menu Figure 62 Monitoring Trending menu PID Configuration menu Figure 63 Monitoring PID Configuration menu ...

Страница 129: ...SERVOPRO CHROMA Gas Analyser 128 04400001A Revision 7 Flow Configuration menu Figure 64 Monitoring Flow Configuration menu ...

Страница 130: ...to access the boxes for entering the FID Gain Offset and Pre Amp These values are used in the Trending menu These values are used to configure the default values in the Cycle Configuration menu see Section 12 8 The FID internal temperature and Flame status are displayed The flame may be manually ignited by clicking on the Ignite flame button Figure 65 Diagnostic menu ...

Страница 131: ...at are associated with each FID peak see Figure 66 When the parameters have been selected on the Diagnostic menu these values have to be set in the Cycle Configuration menu Enter the Peak Configuration menu and select a FID peak The Peak data panel will allow entry of the FID Board parameters gain offset and Pre Amplification Figure 66 Cycle Configuration menu ...

Страница 132: ...40 Air 300 Carrier 50 Table 33 Gas flow set point 2 Note The above data may vary for each analyser the details are provided in the documents shipped with the analyser 5 Once flows are stable press the ignite button to start the detector The flow set point will automatically change to ignition set point and the detector will ignite Gas Flow set point cc min Fuel 70 Air 500 Carrier 50 Table 34 Gas i...

Страница 133: ...w set point is higher than 5 cc min When this error is active the flame cannot be ignited Ambient temperature deviation This error occurs when ambient temperature is out of range Ambient temperature must be between 5 C and 50 C F I D temperature deviation This error occurs when the difference between actual FID temperature and FID temperature set point is higher than 10 C When this error is active...

Страница 134: ...logue output will respond according to this setting As the FID requires a fuel gas the software has built in functions to reduce the risk of explosion If the flame is off for more than 5 minutes and the set point of the fuel gas is not already at 0 cc min the set point for the fuel gas will automatically be set to 0 cc min and the fuel gas shut off valve will be closed When one of the gases is not...

Страница 135: ... or fuel cylinder Add hydrocarbon traps Purge tubing There is a leak on sample line Leak test your sampling system Flows are not stable Verify that all gas pressures are stable Verify that flow readings are stable Re validate PIDs for ovens and flows Tubing used to connect gases to the SERVOPRO FID was not properly purged Purge tubing There is a dead volume on one of the gas stream Verify plumbing...

Страница 136: ...stable baseline 1 2 3 4 5 21 24 3 No peak 6 7 8 9 19 22 23 24 26 4 Saturated detector signal 1 2 3 4 19 21 24 5 Negative peaks 1 2 3 4 24 6 NMHC baseline drift 10 7 Poor repeatability on span calibration 1 2 3 4 5 11 12 13 20 21 23 24 25 8 Poor repeatability on process gas 1 2 3 4 5 12 21 23 24 25 9 Results drift on span calibration gas 14 15 23 24 10 Peak elution time moving 11 22 23 24 11 Sensit...

Страница 137: ...tly outside integration window 15 14 Span bottle almost empty 10 content 16 15 Unstable ambient conditions pressure temperature 17 16 Span gas mixture 18 17 Wrong span gas background mixture 19 19 Damaged detector 20 20 Verify for presence of dead volume 21 21 Leak on carrier gas line 4 22 Incorrect column temperature 22 23 Incorrect valve timing or valve not actuating 23 24 Column require regener...

Страница 138: ...15 Verify that carrier gas set points are as per analyser TRS Verify that carrier gas flow is stable Verify that oven temperature are as analyser TRS and stable Revalidate PIDs and re save flow table 16 If the span bottle is below 10 of its original content the bottle must be changed 17 As any analytical instruments this product is affected by ambient pressure and temperature variations It is sugg...

Страница 139: ...roduced to analyser is free of contamination such as particulates or moisture 27 Connect a flow meter to the carrier vent Reduce carrier supply pressure to have a vent flow close to the one specified in the analyser TRS Table 38 Troubleshooting Typical Issues Potential Solutions ...

Страница 140: ...mplement the WEEE Directive For additional information and advice on the disposal of the analyser in accordance with the requirements of the WEEE Directive contact Servomex at info servomex com or your local Servomex agent If you send the analyser to Servomex or your local Servomex agent for disposal the analyser must be accompanied by a correctly completed decontamination certificate 15 REACH REG...

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