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2. X-RAY SAFETY

2-4

2.6.1 X-Ray On Interlock Key Switch

.

Part of interlock circuit number 1, the key can only be removed from the switch in the
“Off” position. It is not possible to lock x-rays on. This switch is common to all
Portaspec models.

2.6.2 Rear Panel Safety Interlock Switch

.

This switch is in series with the key switch in interlock circuit number 1. It will not
allow x-rays to be generated without the rear panel properly installed. This switch is
common to all Portaspec models.

Model 2501XBT

Image 1-1

X-Ray On Key Switch

Image 2-6

Rear Panel open

Image 2-7

Rear Panel

Interlock Switches

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Содержание 2501XBT

Страница 1: ... 92 Lead Pt 78 38 05 Platinum Mo 42 20 33 Molybdenum Ru 44 18 37 Ruthenium Hf 72 45 85 Hafnium Ag 47 16 01 Silver Nb 41 21 40 Niobium Zr 40 22 56 Zirconium Ba 56 87 17 Barium X R a y T u b e Detector Collimator Receiving Specimen Crystal Source Collimator NOTE This Manual contains the older Portaspec Operating Control Software Version and is in the process of being revised and updated with the new...

Страница 2: ... the registered trademark of Cianflone Scientific NOTE This Manual contains the older Portaspec Operating Control Software Version and is in the process of being revised and updated with the new PCS Portaspec Control Software Your Portaspec instrument may differ as well However this Manual will continue to be a valuable resource in the operation and safety of the Model 2501XBT Portaspec and all Op...

Страница 3: ...taspec Radiation Leakage Test or Survey 2 6 2 10 Portaspec Service 2 7 3 Portaspec Initial Setup 3 1 3 1 Power Requirements 3 1 3 2 Portaspec Location and Operating Environment 3 1 3 3 Model 2501XBT Portaspec Assembly 3 2 3 4 Power Down and Disassembly 3 3 3 5 Transporting 3 3 4 Principle of Operation 4 1 5 Operating the Portaspec 5 1 5 1 The Operator 5 1 5 2 The Operating Environment 5 1 5 3 Oper...

Страница 4: ...put Voltage Regulator 7 2 8 Maintenance and Troubleshooting 8 1 8 1 Troubleshooting Chart 8 2 8 2 Element Stop Adjustment Model 2501XBT 8 2 8 3 Portaspec Preventative Maintenance Schedule 8 4 8 4 Recommended Spare Parts 8 5 9 Technical Data 9 1 9 1 Model 2501XBT Technical Data 9 2 Appendix Two Theta Tables Periodic Chart Interference Chart Counting Statistics Model 2501XBT Schematic Diagram Warran...

Страница 5: ...s we have attempted to provide all the best technology and safeguards to protect the operator and surrounding persons There are governmental laws pertaining to the use of this equipment Before it is used in your facility communicate with your State Provincial or Federal Division of Occupational Health or similar agency to determine what rules and regulations with regard to the use operation and re...

Страница 6: ...ably important when analyzing pretreatments on galvanized steel substrates The new controller circuit board interprets and executes commands from the computer to turn x rays on and off set x ray tube current and read counts on the digital scaler An mA stabilizer board provides constant current to the x ray tube Also new to the 2501 X Series Portaspec is a lightweight high frequency constant potent...

Страница 7: ...This document also includes a computer checklist accessory checklist as well a shipping checklist During final assembly the Portaspec is made to function as the end user intends to use it If supplied with standards and or test specimens calibration files are created and the test specimens are analyzed Otherwise standard in house specimens are used Finally using a certified reference material a ser...

Страница 8: ...d respect them Fundamentals of radiation safety should be taught and practiced with all operators IMPORTANT No attempt should be made to circumvent or otherwise intentionally render an x ray interlock inactive 2 1 The X ray Tube The x ray tube is an end window type that produces a cone of radiation perpendicular to the target The target material is most often made from tungsten or rhodium The maxi...

Страница 9: ...of Cianflone Scientific Made In U S A declaration Portaspec model number date of manufacture serial number and input voltage requirements 2 3 2 Internal Fuse Label A label affixed to the rear panel of the Portaspec identifies the location and function of all internal fuses Additionally the amperage value and whether it is a fast or slow blow fuse is listed 2 4 Audible Alerts 2 4 1 Test Alert Each ...

Страница 10: ...d by the progress bar and is a function of the number of Readings per Sample times the count time in seconds In the example in Image 2 5 the duration for x rays to be on is 90 seconds 2 6 X ray Interlock Switches The Portaspec can not be operated nor can x rays be generated without the use of a computer with the Portaspec Control and Analysis program installed Fundamental to the Portaspec are two ...

Страница 11: ... switch is common to all Portaspec models 2 6 2 Rear Panel Safety Interlock Switch This switch is in series with the key switch in interlock circuit number 1 It will not allow x rays to be generated without the rear panel properly installed This switch is common to all Portaspec models Model 2501XBT Image 1 1 X Ray On Key Switch Image 2 6 Rear Panel open Image 2 7 Rear Panel Interlock Switches ...

Страница 12: ...an only be changed inside of the HV supply and cannot be changed in software Tests have been performed on the x ray tube output at 30 kV 5mA It was found that using 1 8 inch of cold rolled steel will attenuate the primary x ray beam to a point that it is just detectable above background This test was carried out with the 1 8 inch and inch cold rolled steel situated at specimen surface plane The in...

Страница 13: ...al surfaces of the x ray tube housing beam limiting device protective shielding or accessory b any radiation aperture shutter or filter slot that is in the closed position and c any point on the housing of the high voltage generator When compared to other analytical x ray instruments on the market the 30 kV at 0 to 5 mA x rays that the Portaspec generates are low in energy The primary cone of radi...

Страница 14: ...diation survey on the Portaspec and the Portaspec must comply with all radiation survey specifications A Radiation certificate of compliance is also provided 2 10 Portaspec Service It is recommend that only factory certified technicians provide annual maintenance and required service to the Model 2501 X Series Portaspec Internal to the Portaspec are dangerous high voltages that could be harmful to...

Страница 15: ... use ground adapters or extension cords for your permanent installation All installations where the standard line voltage is other than 117 VAC will require a constant voltage regulator Standard to all international orders is this constant voltage output regulator This regulator is sized for the Portaspec only and not accessories such as the coolant circulator 3 2 Portaspec Location and Operating ...

Страница 16: ...lder Refer to the image below keeping in mind that the image of the computer and your actual computer may differ 1 First connect the computer power cord to the computer and turn the computer on 2 Wait for Windows to completely boot up and insert the USB cable into the USB port 3 For added security connect the keyed computer security lock if provided 4 Now press the Power On rocker switch You shoul...

Страница 17: ...transit and contaminate or ruin electrical components Beyond that during cold weather freezing of the retained water could cause severe damage to the x ray tube housing and possibly the x ray tube The x ray tube in the Portaspec has a glass envelope A severe shock during shipping could crack or break the envelope resulting in a need for an expensive replacement Good judgment in selecting proper pa...

Страница 18: ...r the Portaspec Additionally retail shipping companies do a very good job in preparing the Portaspec for transporting 3 5 1 Shipping Cases Cianflone Scientific offers a premium Portaspec case for shipping or storing the Portaspec If you plan on sending the Portaspec back to Cianflone Scientific for its annual certification this case will protect it from possible transit damage The Portaspec case i...

Страница 19: ...tal acts as a diffraction grating which separates the various wavelengths emitted by the elements in the sample This reflected radiation passes through a receiving or detector collimator located in front of a gas filled sealed proportional detector The detector converts x ray photons into electrical pulses which are then amplified sent to the scaler and digital display The emitted long wavelength ...

Страница 20: ... operators should have this manual available to them and be familiar with the safety aspects contained therein 5 2 The Operating Environment The ideal operating environment for the Portaspec is that which is comfortable to most people However the Portaspec is made to operate under the following conditions Temperature 40 to 90 F 5 to 32 C Humidity 5 to 90 Relative Humidity Noncondensing The Portasp...

Страница 21: ...ws to boot up completely c As with all electronic components it is advisable to allow a stabilizing period for warm up before any serious analysis is performed A period of 30 minutes depending on ambient temperature should be sufficient after initial power up of a cold instrument d Now look for the Portaspec Control Program icon Image 5 2 on the touch screen computer and double click it e If all i...

Страница 22: ...te x rays h Now press the Start button on the Test form i Three readings will be collected one after another at the settings that you entered The resulting counts will be momentarily displayed in a count window with the associated trial number j When complete x rays will turn off and the results will be written to a text file and named for the current date with a text txt file extension k To acces...

Страница 23: ...ask specimens can be supported on thin films like Mylar filter paper or even Scotch tape Small specimens can oftentimes be analyzed in bulk or lined side by side in order to attain a suitable viewing area d For irregular sized specimens a typical profile must be presented or the use of an x ray mask may be useful here as well Caution Damage can be done to the x ray tube window or other components ...

Страница 24: ...under the Scaler tab press the Read Count Rate button Set the Element Dial to a low angle press the Read Count Rate button Now scan through the two theta range slowly while observing the reading in the Count Rate window As you scan past an element present in a sample an increase in the count rate will be noticed Quantitative analysis is the determination of the amount of an element present in a sa...

Страница 25: ...y to the water fittings and has the ability to maintain x rays for long periods of time WARNING The circulating water temperature should never be lower than the dew point of the ambient air This condition could cause condensate to form in the interior of the Portaspec and cause damage to the detector tube and or the x ray tube thin beryllium window In considering your needs for water cooling the h...

Страница 26: ...es and connections NOTE Computer Models may vary when shipped with Customer s Portaspec 3 Two Position Sample Holder Used for analyzing powders liquids or solid samples in a wide variety of sizes and shapes It holds a maximum sample size of 2 9 16 inches in diameter by 1 inch thick and is permanently attached to the Portaspec 4 Element Dial Cover Includes the window to view element setting Pull fo...

Страница 27: ... bottom is reserved for other Portaspec accessories Maximum amperage draw is 1 amp 6 Power Entry Module 117 VAC 60 Hz or optionally 50 Hz Fused with 6 amp X 1 fast blow fuse 7 Water Cooling Connections 1 8 NPT hole 1 8 NPT male to 45 flair brass fitting supplied for connection to the Model 2522X Electric Water Cooler and Circulator Portaspec Model 2501XBT Rear View Image 6 2 5 6 7 ...

Страница 28: ...nd Control program instructions to control most Portaspec hardware including x ray high voltage and mA control Scaler function control as well as x ray interlock and water circulator control 9 mA Control Circuit Board Stabilizes x ray tube current by controlling x ray tube filament voltage Portaspec Model 2501XBT Rear Panel Internal View Image 6 3 9 8 ...

Страница 29: ...potential voltage to the x ray tube 12 X Ray Tube Housing Assembly Includes tungsten target x ray tube water cooling coils oil expansion cylinder and overheat switch 13 X ray Interlock Switch Does not allow x rays to be energized when the rear panel is removed 14 Scaler Includes digital display and the timer control as well as the Detector Tube high voltage power supply circuit Portaspec Model 250...

Страница 30: ...Sealed proportional 17 Element Stop Assembly Allows user to have 5 adjustable element stops plus a goniometer lock 18 Element Dial Calibrated in degrees two theta Includes selective element settings for adjusting Element Stops 19 Goniometer Precision angle setting device used to move the analyzing crystal in degrees theta and the Detector tube in degrees two theta Portaspec Model 2501XBT X Ray Opt...

Страница 31: ...with a submergible pump with inlet filter 8 of hose that connects to the Portaspec and one gallon of a Propylene Glycol solution to add to distilled or de ionized water at the following ratio 3 Gal 11 4 L De ionized or Distilled Water Gal 1892 ml Propylene Glycol There is no flow requirement on the Portaspec for hose connections as the cooling circuit is a continuous closed loop A typical flow rat...

Страница 32: ...ncy and voltage should be monitored prior to Portaspec installation All installations where the standard line voltage is other than 117 VAC will require a constant voltage regulator Standard to all international orders is this constant output regulator This regulator is sized only for the Portaspec and not accessories The regulator has one NEMA 5 15 straight blade receptacles for output and a one ...

Страница 33: ...e of radiation As with all x ray tubes lack of use may be detrimental If the unit is not used in your daily operation it is highly recommended that you operate it at least once a month to protect the x ray tube part of the system 8 1 Troubleshooting Chart The most frequent source of problems come from the power source that the Portaspec is plugged into Always conform that you have a stable source ...

Страница 34: ...fering elements may result in an inaccurate setting 8 2 1 Preliminaries You will need a 5 64 hex key and a 3 16 flat blade screwdriver 1 Lift off the Element Dial Cover to reveal the Element Selector Dial 2 Remove the stop cover 3 Confirm that the Element Dial is on the proper element setting 4 Place a calibration specimen in the sample holder and shift it to the analysis position 5 From the main ...

Страница 35: ...hile observing the count rate Your intent is to maximize the count rate while staying very close to the intended element setting Keep in mind that the refresh rate on the display is slow You should move the dial slightly and wait for the display to stabilize before moving it again After completing the Element Stop adjustment and reinstalling the Element Stop Access Cover and Element Dial Cover che...

Страница 36: ...rly Maintenance or as required Radiation safety check Conform to company governmental radiation safety requirements Yearly Cianflone Scientific Or Cianflone Certified Service Agent Portaspec Certification Make adjustments and calibrate Portaspec to factory specifications including the inspection of the x ray path Issue instrument certification 8 4 Recommended Spare Parts The X Series Portaspec has...

Страница 37: ...6350 462 5 1 1 Power Cord 6150 119 3 1 2 Power Entry Fuse 5920 276 1 2 2 Set of Fuses XBT 25 2000 01 1 Set 1 Set Power Entry Module 6110 750 1 0 1 mA Circuit Board 5975 055 10 0 1 High Voltage Cable 6145 011 6 0 1 Controller Board XBT 25 2524 01 0 Detector Tube 25 1200 01 0 Pre Amplifier 6645 187 10 0 Scaler 6645 187 6 0 Filament Transformer 6120 226 3 0 High Voltage Power Supply 6120 326 6 0 Low ...

Страница 38: ...9 X SERIES TECHNICAL DATA 9 1 ...

Страница 39: ...Variation X Ray Tube Current 0 to 5 mA Adjustable Detector Tube Sealed Proportional Detector Supply Voltage 2150 VDC Adjustable Internal Digital Scaler and Timer Counting Range 1 to 999 999 Timer Range 1 to 990 Seconds With Pulse Height Analyzer Controls Power Switch Fuses Line 6 Amp Fast Power Entry High Voltage Supply 4 Amp Slow F6 mA Board Supply 2 Amp Slow F7 DC Supply 2 Amp Fast F8 mA Trigger...

Страница 40: ...APPENDIX ...

Страница 41: ... 77 Ge 19 K K 3 31 3 724 136 68 K 3 59 3 454 118 12 20 Ca K 3 69 3 359 113 08 K 4 01 3 090 100 22 21 Sc K 4 09 3 032 97 71 K 4 46 2 780 87 30 22 Ti K 4 51 2 749 86 14 K 4 93 2 514 77 27 23 V K 4 95 2 504 76 94 K 5 43 2 284 69 13 24 Cr K 5 41 2 291 69 36 K 5 95 2 085 62 37 94 12 25 Mn K 5 89 2 103 62 97 95 20 K 6 49 1 910 56 64 84 25 26 Fe K 6 39 1 937 57 52 85 73 K 7 06 1 757 51 73 76 16 27 Co K 6...

Страница 42: ... K 12 63 0 981 28 21 40 32 K 14 11 0 879 25 20 35 93 37 Rb K 13 37 0 926 26 62 37 99 K 14 96 0 829 23 75 33 83 38 Sr K 14 14 0 876 25 15 35 85 K 15 83 0 783 22 42 31 91 39 Y K 14 93 0 830 23 80 33 90 K 16 74 0 740 21 20 30 15 40 Zr K 15 74 0 787 22 55 32 10 K 17 66 0 701 20 07 28 53 L 2 55 6 071 136 67 Ge 41 Nb K 16 58 0 747 21 40 30 44 K 18 60 0 666 19 05 27 06 42 Mo K 17 44 0 710 20 33 28 90 K 1...

Страница 43: ...5 60 Nd L 5 23 2 370 72 13 L 5 72 2 167 65 12 61 Pm L 5 43 2 282 69 05 L 5 96 2 079 62 19 93 81 62 Sm L 5 64 2 199 66 23 L 6 21 1 998 59 50 89 11 63 Eu L 5 85 2 120 63 57 96 27 L 6 46 1 920 56 97 84 79 64 Gd L 6 06 2 046 61 10 91 89 L 6 71 1 847 54 60 80 85 65 Tb L 6 27 1 976 58 79 87 89 L 6 98 1 777 52 37 77 20 66 Dy L 6 49 1 909 56 60 84 17 L 7 25 1 711 50 28 73 83 67 Ho L 6 72 1 845 54 54 80 76...

Страница 44: ...1 56 76 Os L 8 91 1 391 40 43 58 48 L 10 35 1 197 34 60 49 72 77 Ir L 9 17 1 352 39 22 56 65 L 10 71 1 158 33 42 47 97 78 Pt L 9 44 1 313 38 05 54 91 L 11 07 1 119 32 30 46 31 79 Au L 9 71 1 277 36 96 53 25 L 11 44 1 084 31 22 44 72 80 Hg L 9 99 1 242 35 91 51 67 L 11 82 1 049 30 19 43 21 81 Tl L 10 27 1 207 34 90 50 17 L 12 21 1 015 29 20 41 76 82 Pb L 10 55 1 175 33 93 48 73 L 12 61 0 983 28 26 ...

Страница 45: ...LiF 220 87 Fr L 12 03 1 030 29 66 42 43 L 14 77 0 839 24 06 34 28 88 Ra L 12 34 1 005 28 90 41 32 L 15 23 0 814 23 32 33 20 89 Ac L 12 65 0 979 28 17 40 25 L 15 71 0 789 22 60 32 17 90 Th L 12 97 0 956 27 47 39 23 L 16 19 0 765 21 91 31 17 91 Pa L 13 29 0 933 26 79 38 24 L 16 69 0 724 21 25 30 22 92 U L 13 61 0 911 26 14 37 30 L 17 22 0 719 20 60 29 29 ...

Страница 46: ...4 S 16 32 064 Rn 86 222 He 2 4 003 Kr 36 83 80 In 49 114 82 Sn 50 118 69 Sb 51 121 75 Te 52 127 60 I 53 126 904 Xe 54 131 30 Na 11 22 990 Mg 12 24 312 Li 3 6 939 Be 4 9 012 H 1 1 008 Mn 25 54 938 K 2 103 LiF 62 97 6 54 Br 35 79 909 K 1 041 LiF 29 96 13 5 Ag 47 107 870 K 5608 LiF 16 01 25 5 Cd 48 112 40 The PortaSpec XBT is able to analyze all of the elements outlined in blue Atomic Symbol Atomic N...

Страница 47: ... o ut r t a 1 r uc tu t t a N a c i c t G l I D D D v1 C l o r t rD ci A a c F F t o D a a o F a a I r F D f D tn o P g E U 1 f D ct lJ t U ct 0 r o t D E O E r C d E r F r D c t D rD J t F y t m o o ctr c D 5 ri o c tD c 1 D r D l l O q q C F T i l ct o o D o L o o o o i i l 3 C r t ...

Страница 48: ... 112 0 89 1 79 2 68 15 000 122 0 82 1 63 2 45 20 000 141 0 71 1 41 2 12 25 000 158 0 63 1 26 1 90 30 000 173 0 58 1 15 1 73 35 000 187 0 53 1 07 1 60 40 000 200 0 50 1 00 1 50 45 000 212 0 47 0 94 1 41 50 000 224 0 45 0 89 1 34 60 000 245 0 41 0 82 1 22 75 000 274 0 37 0 73 1 10 80 000 283 0 35 0 71 1 06 90 000 300 0 33 0 67 1 00 100 000 316 0 32 0 63 0 95 125 000 354 0 28 0 57 0 85 150 000 387 0 ...

Страница 49: ...lone 25 3281 01 D C A B F H J L BK WT OR OR GR or BRN BK BK BK WT P10 12 115vac P9 10 P9 9 P11 1 P11 4 P11 2 P11 3 P11 OR GR or BRN OR BK BK P11 3 HV Supply 7 Preamplifier Cianflone 25 1003 05 Detector Tube Cianflone 25 7941 01 Serial Port 1 Control Computer Serial Port 2 Controller Board AC IN 115VAC 50 60 Hz 0 to 2 5kv DC Supply P1 1 P1 7 R B 2 3 1 4A MDL 2 3 7 8 P4 12 P4 11 P4 RD GR RD mA Monit...

Страница 50: ...CT LIABILITY IN TORT OR ITS NEGLIGENCE IN WHATEVER MANNER INCLUDING DESIGN MANUFACTURE OR INSPECTION OF THE EQUIPMENT OR ITS FAILURE TO DISCOVER REPORT REPAIR OR MODIFY LATENT DEFECTS INHERENT THEREIN THE MANUFACTURER HIS REPRESENTATIVE OR DISTRIBUTOR SHALL NOT BE LIABLE FOR LOSS OF USE OF THE EQUIPMENT OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS EXPENSES OR DAMAGES INCURRED BY THE BUYER WHETHER AR...

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