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Creating a Method

32

Diablo 5000B Real-Time Gas Analyzer Getting Started Manual

Data Table and Trend Plot allow you to set the scroll window size on the real-time data table and
trend plotting displays. Set both at 10 minutes.

Click

“Save” when you have finished setting the desired acquisition settings..

Completing the method

The new method will look like Figure 21 when finished. Select File/Save to save the new method
and then File/Exit to close the window. The method is now ready to run.

Figure 21. The completed method with the component tree expanded.

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Summary of Contents for 5000B

Page 1: ...Diablo 5000B Real Time Gas Analyzer Getting Started Manual Diablo Analytical Inc ...

Page 2: ...tation are copyrighted by Diablo Analytical Inc All other brands or product names are trademarks or registered trademarks of their respective owners Diablo Analytical Inc 5141 Lone Tree Way Antioch CA 94531 Phone 925 755 1005 Fax 925 755 1007 E mail support diabloanalytical com Home Page www diabloanalytical com Manual Revision 20190204 1357 ...

Page 3: ...tomer may not sublicense the software or distribute copies of the software to the public in physical media or by telecommunication without the prior written consent of Diablo Termination Diablo reserves the right to terminate this license upon breach In event of termination Customer will either return all copies of the product to Diablo or with Diablo s prior consent provide Diablo with a certific...

Page 4: ...ny damages whatsoever including without limitation damages for loss of business profit business interruption loss of business information or any other pecuniary loss arising out of the use or inability to use the product even if Diablo has been advised of the possibility of such damages Because some states jurisdictions do not allow the exclusion or limitation of liability for consequential or inc...

Page 5: ... EZ Zone Controller 12 Pressure sensor operation and maintenance 13 To connect the pressure sensor to the cross 13 To connect the pressure sensor controller to the PC 13 To configure the pressure sensor controller 13 To zero the pressure sensor 14 Special Hardware Considerations 15 MSD Configuration for low mass hydrogen or helium detection 15 Converting the MSD from RTGA to GC MS 15 Setting MS Se...

Page 6: ...component optional 26 Data channels component 28 Acquisition Settings 31 Completing the method 32 Acquiring Data 33 Preparation 33 Start the run 35 Stop the run and view the results 35 Troubleshooting 37 Evaluating RTGA Interface Performance 37 Addressing Signal Instability 38 Index 41 ...

Page 7: ...yzer hardware interface A custom temperature controller with a custom thermal jacket for the interface An MKS PDR2000 Controller with a high performance capacitance manometer pressure sensor A vacuum isolation valve Associated tubing and fittings to interface with a customer supplied sampling system A personal computer PC The analyzer is controlled by the Agilent Technologies MassHunter GC MS Acqu...

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Page 9: ...alytical if you have any questions about the operation of your RTGA system Diablo Analytical Inc 5141 Lone Tree Way Antioch CA 94531 Phone 925 755 1005 Fax 925 755 1007 E mail support diabloanalytical com Web http www diabloanalytical com MassHunter Acquisition Software See the Agilent Technologies MassHunter GC MS Acquisition documentation for the installation procedure The MassHunter Acquisition...

Page 10: ...ET Framework 4 5 2 must be installed before trying to run MS Sensor 4 0 The NET Framework will be installed automatically if necessary when you install the software from the distribution media or if you use the single file installer If you use the web based installer the NET Framework 4 5 2 will be downloaded automatically if necessary You can also download and install the NET Framework 4 5 2 from...

Page 11: ...tting Started Manual 5 License Activation The MS Sensor software license must be activated within 30 days after it is first started Please refer to the MS Sensor Reference Manual or the Software License Manual for instructions on activating the software ...

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Page 13: ...e the sample orifice is in between the sampling tee and the sampling cross One branch of the cross connects to the large bypass vacuum pump Pfeifer DUO 10M Edwards RV12 or Edwards nXDS 10i This pump reduces the pressure in the cross and pulls the majority of the sampled stream out to waste A second leg on the cross allows a precision pressure transducer to read the cross pressure This signal can b...

Page 14: ...irectly with minimal dwell time A thermal jacket envelopes the sampling tee and the cross to maintain the desired sample temperature until high vacuum is encountered The Watlow EZ Zone temperature controller regulates this temperature to the user selected set point If excess sample is to be vented it is recommended that some length of tubing be attached to the outlet of the sample tee to limit bac...

Page 15: ... 1 16 inch tubing the dwell time of the sample line can be minimized without introducing a large pressure drop The sample input is connected to the top of the interface and the vent or process return is connected to the bottom of the interface To make a new fitting connection make sure the tube is fully inserted into the fitting body Finger tighten the fitting and then tighten of a turn with a 5 1...

Page 16: ...rticular it is not compatible applications requiring hydrogen or helium tuning Important Due to the nature of the seal produced by the VCR fitting the orifice disks cannot be reused Replacement orifice disks can be purchased from Diablo Analytical Figure 3 A photograph of the RTGA interface with the VCR fittings containing the sample and high vacuum orifice disks identified The standard factory or...

Page 17: ... surface This step can be a little tricky and it sometimes helps to place the orifice inside the large hex nut first and the slide it over the mating fitting 7 Re tighten the two nuts you should hold the large nut stationary while tightening the small nut You can use the small hole drilled in the side of the large nut to confirm that the orifice is in place and didn t drop out Don t over tighten t...

Page 18: ...ately 6 seconds until the controller shows A1 in the top display and SEt in the bottom display Note that you will have to continue to hold the buttons after oPEr appears in the lower display 2 Press the down arrow key until the top display reads 9LbL for global The bottom display should still read SEt 3 Press the green advance button until C_F is in the bottom display 4 Press the gray up arrow key...

Page 19: ...erface The pressure sensor is connected to the sampling cross with standard VCR4 fittings To install a new pressure sensor loosen the cap fitting with a 5 8 and 3 4 inch or adjustable wrenches Use the lint free gloves included with the MSD ship kit to handle the VCR4 gasket Carefully place the gasket on top of the cross fitting and place the pressure sensor on top of the gasket This is best done i...

Page 20: ...ressure transducer is zeroed at the factory You should only re zero the sensor if you are certain that the calibration has drifted Important Do not zero the pressure sensor if there is a leak anywhere in the interface assembly To check the current zero setting make sure that the roughing pump for the interface is on Close the isolation valve to the mass spectrometer and plug the sample input and o...

Page 21: ...e been installed in the MSD at the factory or onsite during installation of the RTGA system You can confirm this by reviewing the Installation and Configuration Data Sheet that was provided with the RTGA documentation If you have any questions about the configuration of your RTGA as it was shipped form the factory please contact Diablo Analytical Converting the MSD from RTGA to GC MS The Agilent 5...

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Page 23: ...tion software to control the Agilent Technologies 5977 MSD However the MS Sensor software acts as a simplified operator interface to the MassHunter GC MS software In most applications the user will only need to interact with the MS Sensor software Important The MassHunter GC MS Acquisition software must be installed and configured before starting the MS Sensor software Refer to the MS Sensor manua...

Page 24: ...Setting MS Sensor System Options 18 Diablo 5000B Real Time Gas Analyzer Getting Started Manual Figure 6 The main window of the MS Sensor software ...

Page 25: ...n Builder software contain a list of compounds and the best m z value to use for the specified application MS Sensor 4 0 can import that list of compounds and m z values and convert it into a corresponding MS Sensor 4 0 method See the Application Builder reference manual for more information about the software and its capabilities Introduction to creating MS Sensor Methods All data acquisition is ...

Page 26: ... name in the File name box For this example we suggest the name Roomair 3 Select Save to accept the new method file name and close the window The MS Sensor Method Editing window opens Figure 8 Figure 8 The method editing window Method components A method consists of five components which are created typically in the order shown in Table 2 ...

Page 27: ... the final calculations that create real time trend plots and tables This component applies a second user defined equation which can contain calculation results signal values constants mathematical operators and mathematical functions While a calculation applies to a specific signal from a specific instrument data channels can combine data from multiple signals and instruments Acquisition Settings...

Page 28: ...rmines the mass range to scan and puts these values in the signal selection window 4 Click Open Tune Window to tune the MSD if you haven t recently performed an autotune Tuning the RTGA Mass Spectrometer Tuning the mass spectrometer calibrates its mass axis and standardizes the relative response for a known calibration compound For most applications on the RTGA the mass spectrometer should be tune...

Page 29: ...stem is now ready to be used for non hydrogen applications 4 FOR HYDROGEN AND HELIUM APPLICATIONS make sure the sample isolation valve is in the open position and the mass spectrometer is pumped down and equilibrated for at least 1 hour In addition make sure that the DUO 10M or XDS 10 bypass sampling pump is turned on Connect a sample line to the top of the sampling tee and an appropriately vented...

Page 30: ...0 configuration window where the COM port can be selected Make sure the cables connecting the pressure controller to the pressure sensor and the PC are correctly connected and the pressure controller has power Once configured click Test to verify the connection Click Save to exit Figure 11 The PDR 2000 Configuration Window Signals components Now that instruments have been added to the method signa...

Page 31: ... in the Edit Signal Screen to save the changes 7 Create additional signals for each of the other masses In addition create a new signal for the total ion signal Name the signal Total Ion and set the signal type to Total Ion Signal The Signal index values are grayed out with this choice since the system knows what to use as a source Check the Create a New Data Channel box and click Save 8 Finally i...

Page 32: ...t calculation that you use to create normalized results 1 To create a new calculation right click the Calculation icon in the method tree and select New Calculation or click the Add Calculation button in the toolbar The Edit Calculation window opens Figure 14 Figure 14 The calculation editing window 2 Enter an appropriate label such as Total Amount into the Description field 3 Click Edit Formula a...

Page 33: ...indow and select the calibrated signal response Click OK and Sig1 Cal will appear in the Current Formula window Click the button in the Operators window and select the next calibrated signal Repeat this procedure until all of the compound signals signals 1 5 are added together Figure 15 Note You can also drag and drop the desired signal component from the signal tree into the formula Figure 15 The...

Page 34: ...ed to the data file A data channel can be as simple as a raw signal or something much more complex involving multiple signals and calculations In the current example several data channels already exist They were created when the signal components were saved To complete the normalized composition data for water let s create a new data channel by right clicking the Data Channel icon and selecting Ne...

Page 35: ...mple double click the signal for water Sig1 In this case both calibrated signal response and raw signal response will give the same value since there is no calibration defined for water so you can choose either Next click the divide operator and then double click the Total Amount calculation Calc1 Finally Click the multiplication sign and then enter the constant 100 This will perform the required ...

Page 36: ...ponse In the Display Settings tab two display options can be selected Figure 18 Display Channel in Data Grid allows the values to be placed in a tabular format in the real time data table Display Channel in Trend Plot allows multiple plot windows to be used and signals with very dissimilar magnitudes e g sample pressure and total ion to be placed in different plots ...

Page 37: ...cess these parameters double click the Acquisition Settings tree or click the Acq Settings button in the tool bar A window with four tabs appears Figure 20 Figure 20 The Acquisition Settings window The Run Timing tab allows you to set acquisition interval and run time For this example set Acquisition Interval to 2 seconds and Run Length to 10 minutes The Data Files tab allows you to select which c...

Page 38: ...and trend plotting displays Set both at 10 minutes Click Save when you have finished setting the desired acquisition settings Completing the method The new method will look like Figure 21 when finished Select File Save to save the new method and then File Exit to close the window The method is now ready to run Figure 21 The completed method with the component tree expanded ...

Page 39: ...ssmet 1 Notice that the two instruments used in the method are listed in the instruments table and both have Offline status Click Initialize to initialize the instruments and prepare for acquisition 2 Use the Sample Information window Figure 23 to specify a data file and enter the sample and other related information Fill out the information fields as shown then select OK Note The MS Sensor data f...

Page 40: ...ed automatically or you can click the browse button to display a file browser Data files are saved by default in the folder C Users Public Documents Diablo MS Sensor 4 0 Data Figure 23 Entering sample information 3 The instruments will be initialized and will reach Ready status once they are ready to start a run ...

Page 41: ...click Tile Horizontal from the Window menu Start the run Start the run by pressing the Start button Data will begin appearing in the grid and trend plot windows and the instrument status will change to Running Figure 24 The Acquisition Control Panel showing a run in progress Stop the run and view the results A running method collects data until Stop Run is pressed or the run time specified in the ...

Page 42: ...ure 25 The MS sensor Data Viewer program In addition if you configured the acquisition settings to export results to CSV file s or if you export results from the Data Viewer you can use Microsoft Excel or any other package capable of reading a CSV file to view and analyze the data ...

Page 43: ...m Pressure is displayed With the isolation valve closed and the MSD pumped down the High Vacuum Pressure should be in the low 10 6 Torr range If the pressure is significantly higher than this then you may have a leak in the MSD or in the interface connection to the vacuum manifold To confirm a leak in the MSD run an Air and Water Check from the Tune Window make sure the isolation valve is closed a...

Page 44: ... in your method This signal represents the total signal that the electron multiplier detector is generating across the entire mass range not just for the m z values included in the method For best detector stability and lifetime it is best to keep the total ion signal 1 000 000 counts with the best stability 500 000 counts By including this signal in the method you can monitor this important param...

Page 45: ...lative relative to the voltage in the tune file used for acquisition and enter a negative voltage offset You may have to experiment to determine the optimum offset for your application 3 If none of these options are compatible with your application needs then you may need to either ratio results to an internal standard or recalibrate the system on a regular basis ...

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Page 47: ...5 23 I Installation 3 Instrument components 21 Introduction to creating MS Sensor Methods 19 L License Activation 5 M MassHunter Acquisition Software 3 Method components 20 MS Sensor Application Builder 19 MS Sensor Software 4 MSD Configuration for low mass hydrogen or helium detection 15 O orifice disks 10 Overview 1 P PDR 2000 11 13 Preparation 33 pressure sensor 13 14 15 24 25 Pressure sensor o...

Page 48: ...al To connect the pressure sensor controller to the PC 13 To connect the pressure sensor to the cross 13 To zero the pressure sensor 14 Troubleshooting 37 Tuning the RTGA Mass Spectrometer 22 V Verify the MassHunter GC MS Installation 4 W Watlow EZ Zone Controller 12 ...

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