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InstroTek

86

Routine Maintenance

Radiation sources

The  MC-3  Elite  contains  two  radioactive  sources.  The  sources
require  no  maintenance.  The  small  Americium-241:Beryllium
source is in the center of a lead cup.  The source is inside a lead
cup  which  screws  into  the  shielded  area  in  the  center  of  the
gauge base.

Do not attempt to remove this source.

The Cesium-

137 is inside the end of the source rod which is inside the guide
tube. The source is fixed inside the tip of the source rod. In the
safe position (source rod handle at the top of the guide tube
marked “

safe

”) the Cs-137 source is surrounded by lead and

tungsten shielding.

Do not attempt to remove this source from

the source rod.

Bottom Plate

Maintenance in the bottom plate area of the gauge may be
required if the following problems are encountered while using
the gauge. Difficulty in lowering or raising the source rod when
pulling the handle up or down, and/or unusual density counts.
These are generally an indication that soil or other material has
migrated into the bottom of the gauge and it needs to be
cleaned and fresh grease added.

Important: InstroTek recommends use of only MagnaLube G as
a greasing agent in this gauge. MagnaLube has Teflon filler,
which provides superior and longer lasting performance in the
environment these gauges are typically used.

MagnaLube G is a trademark of SaundersEnterprises, Inc.
Teflon is a trademark of DuPont Company.

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Содержание MC-1 Elite

Страница 1: ...www InstroTek com CPN MC3 ELITE Moisture Density Gauge OPERATING MANUAL ...

Страница 2: ...nual to prevent the unauthorized access to the restricted menu functions of the InstroTek CPN MC 3 Elite Restricted Menu Function Access Code 3548 Please note up to 2 of the mechanical components used in the gauge may be recycled material ...

Страница 3: ...This page may be removed from the manual to prevent the unauthorized access to the restricted menu functions of the InstroTek CPN MC 3 Elite ...

Страница 4: ... 2018 InstroTek Inc MC 3 Elite Moisture Density Nuclear Gauge Operation Manual Version 4 ...

Страница 5: ...MPONENTS 2 2 GETTING STARTED 4 3 MENU FUNCTIONS 25 4 RADIATION THEORY 47 5 RADIATION SAFETY AND HEALTH PHYSICS 53 6 TRANSPORTATION 65 7 GAUGE THEORY 77 8 ROUTINE MAINTENANCE AND TROUBLESHOOTING 85 9 SPECIFICATIONS AND APPENDICES 92 10 INDEX 101 11 WARRANTY 110 ...

Страница 6: ...is designed to reduce the daily field effect of moisture and dust providing enhanced reliability and accuracy in all rugged construction environments The software features are easy to follow The four line display provides large characters and intuitive instructions to help the operators navigate through the different functions The diagnostics features allow the operators diagnose problems on the f...

Страница 7: ...MC 3 Elite 2 Reference standard block 3 Scraper plate 4 Extraction tool 5 Drill rod 6 Type A shipping case 7 AC and DC charger one each 8 Manual of operation and gauge paperwork 9 Gauge and Case Lock one each 8 6 Fig 1 1 MC 3 Elite Nuclear Gauge Accessories 1 2 3 4 5 7 9 9 1 ...

Страница 8: ...r NA displayed If the low battery warning does not appear on the display the gauge is ready for use and does not require additional charge The MC 3 Elite contains 6 welded AA NiMH batteries The batteries are charged at the factory prior to calibration Life of rechargeable batteries depends on the number of charge discharge cycles For best results only charge your batteries when the battery low war...

Страница 9: ...e day of operation During a charging session a C will appear in the upper right hand corner of the display The gauge is designed with a SmartCharge chip that prevents the battery from over charging The gauge cannot be turned off while the unit is being charged ...

Страница 10: ...keypad or a stuck key Pressing any key on the keypad during this test will display this error If a key is pressed by mistake during this test simply restart the gauge by powering off and then on again However if the error is displayed again contact your InstroTek representative 2 He 3 Tube Failure If the gauge is on the reference standard block during self test then there is a potential problem wi...

Страница 11: ...k the results of the Self Test and ensure there are no failures Charge the batteries if needed by the provided AC or DC charger Refer to the section on Charging Batteries Note To preserve battery life for extended gauge operations the gauge will go into a shutdown mode if no key is pressed in one hour Simply press the ON key when you are ready to start again The gauge will not run the Self Test if...

Страница 12: ... 5 screens Press 12 button 1 then 2 Use the number buttons to select 1 for PCF pounds per cubic foot 2 for kg m3 or 3 for g cc After selecting the Unit of Measurement the Elite returns to the menu screen 11 Auto Scroll 12 Set Units Up DOWN FOR Next Select3 ESC Exit 1 PCF 2 kg m3 3 GCC Select ESC Exit 11 Auto Scroll 12 Set Units Up DOWN FOR Next Select ESC Exit 1 Recall 2 Set Depth Up DOWN FOR Next...

Страница 13: ... count precision is twice as good as a one minute count Refer to your local specifications for selection of an appropriate testing time Press the TIME button on the front panel Scroll UP or DOWN to set a desired count time 15 seconds 30 seconds 1 minute or 4 minute Press YES when you have chosen the time You will be returned to the gauge ready screen GAUGE READY COUNT TIME 1 min Depth BS OFFSET N ...

Страница 14: ... taken more than three months from the current standard count take four new standard counts and generate a new average for comparison Check the density standard count and ensure it is within the range of the expected standard count provided with the calibration paperwork The standard count is used to correct for decay in the radioactive source especially for the Cs 137 density source Keeping a log...

Страница 15: ... placed on a dense material such as soil asphalt or concrete Do not take standard counts on truck tailgates tables or non solid floors 4 When you place the source rod in the SAFE position notch gently tap it down without pulling the trigger to make sure the handle plunger is properly seated inside the notch Ensure the handle is reasonably parallel with the gauge Fig 2 1 Reference Standard Count Po...

Страница 16: ...ER button In Auto Depth mode if the source rod is not in the Safe position the gauge will display a message indicating Depth not at Safe Position The time will begin to count down from 240 seconds 4 minutes After 240 seconds the results of your standard count will be displayed DS MS Take New Std Count Press YES or NO Place Gauge on Poly Std Block in SAFE Position Press Start Standard Count Time 24...

Страница 17: ...Target Laboratory Density Values The gauge is capable of calculating and displaying percent compaction based on user defined laboratory values Pressing the MAX PR button allows the laboratory value to be entered Select PR Proctor for soil aggregate materials and Max Dens Marshall or laboratory max rice density for percent compaction on asphalt materials Soil Specific Gravity SG which is used to ca...

Страница 18: ...ic gravity SG Proctor Press the ON YES button Once the PR value is entered the gauge ready screen will display Max Dens Press the ON YES button PR PCF Change value Press YES or NO ESC to Exit Enter Value For Proctor PCF ENTER to Accept ESC to Exit MA PCF Change value Press YES or NO ESC to Exit Enter Value For Max Dens PCF ENTER to Accept ESC to Exit ...

Страница 19: ...G value is entered the gauge ready screen will display Equations used by the gauge Where WD Wet Density is measured by the gauge Where DD Dry Density is calculated by the gauge M Moisture content is in PCF DD WD M Soil SG PCF Change value Press YES or NO ESC to Exit Enter Value For Soil SG PCF ENTER to Accept ESC to Exit ...

Страница 20: ...to determine Solids if the void less density of the material can be determined 𝑺𝒐𝒊𝒍 𝑨𝒊𝒓 𝑽𝒐𝒊𝒅𝒔 𝟏𝟎𝟎 𝟏 𝑫𝑫 𝑺𝑮 𝑴 Where DD is the dry density in g cm SG is the soil specific gravity provided by the user and M is the moisture content in g cm ...

Страница 21: ... use some surrounding local soil or material to bring them up to grade 3 Place the extraction tool provided with the gauge over one of the guides on the scraper plate 4 Place the drill rod provided with the gauge into the same guide as the extraction tool 5 With a hammer of about 4 8 lbs drive the drill rod into the surface of the grade Caution Eye hand and shin protections must be worn while form...

Страница 22: ...l not damage the hole Using a twisting motion pulling straight up on the drill rod might be the best way to extract the rod from the material Care must be taken to preserve the integrity of the hole Collapsed or larger than required holes can negatively influence your readings ...

Страница 23: ...d mixtures fine fill material such as Portland cement or fine sand should be used to fill the voids but taking care not to completely cover the surface of the asphalt The gauge base should be resting on the asphalt not the filler 3 After the gauge has been placed on the test site rock the gauge back and forth by pressing on opposite corners Minimizing the amount of rock will ensure the most accura...

Страница 24: ...source rod into the soil by hammering the gauge handle down To start measurement press START ENTER The gauge will then begin taking counts After the gauge has completed its count time it will display Depth BS Time 15 sec If you exit out of the results information you can use the Recall function under menu to retrieve your results M Count D Count MCR DCR Press UP DOWN WD PCF MA Voids Press UP DOWN ...

Страница 25: ...D Count DS WD Wet density MA Percent Compaction WD Max Dens X 100 Void Percent air voids 100 MA Moisture Moisture density in PCF Kg m3 or gcc depending on the unit selected DD Dry density WD Moisture Mois Percent moisture Moisture DD X 100 PR Percent Proctor DD PR X 100 MM DD YYYY HH MM AM DEPTH BS Soil AV 10 0 PRESS UP DOWN ...

Страница 26: ... 2 to start a new project Press each alphanumeric key repeatedly to select a desired letter Advance to next letter by pressing another alphanumeric key Use the UP DOWN button to advance to the next position if letter required is on the same key as the one you have just selected Press YES to accept Choose 1 to auto store each station within the project Press 2 to manually enter the station number 1...

Страница 27: ...ata manually press the STORE key after each reading To use an existing Project or to print a Project press the PROJECT PRINT key on the front panel and select option 3 Select Project from the list using the number choices To print press the PROJECT PRINT key and select option 4 Enable Auto Store Press YES or NO 3 Sel Stored Proj 4 Print Data UP DOWN for Next Select ESC Exit 3 Sel Stored Proj 4 Pri...

Страница 28: ...re to a USB device press press the PROJECT PRINT Key and scroll down to the third page option 5 Select which data you would like to save and press the corresponding number button Insert a USB drive and press ENTER To review or delete data for a particular project select the PROJECT PRINT button and scroll down to option 6 or 7 5 Send Data to USB 6 Review Data UP DOWN for Next Select ESC Exit ...

Страница 29: ...nsity Moisture and Trench correction Use this function to offset factory calibration readings or correct for influence of the trench wall in the field 3 Auto Scroll Helps users record data in the field The test screens automatically scroll every 5 seconds 4 LCD Backlight Enable Disable the LCD backlight for easy viewing of data and keypad during night work 5 Diagnostic Test Check the Battery Volta...

Страница 30: ... Adjust calibration constants for local and special materials 17 Nomograph Mode Enable Disable mode so the gauge can be used on thin layer asphalt overlays 18 Calibration Constants Enter and store calibration constants used for determination of the material density and moisture This function is for authorized users only Description of each MENU function 1 Recall This function allows you to retriev...

Страница 31: ...e offset you want to enable 4 For entering a negative number use the DOWN button for a positive number use the UP button Density Offset use this function to offset the density up or down by a known quantity For example if the gauge s wet density WD is 142 0 PCF and the actual field density is 145 0 PCF use a density offset of 3 0 to correct the gauge readings The offset value can be positive or ne...

Страница 32: ...the DOWN key to enter sign Note When moisture offset is enabled a Y on the gauge ready screen will appear next to offset Trench Offset This function provides a means for correction of wall influence on gauge moisture counts Use this offset function when taking measurements in a trench with walls 1 meter 3 ft or less from the gauge To use this function take a standard count on the reference standar...

Страница 33: ...sults will scroll from screen to screen without the need to push the up or down buttons To enable this function 1 Press MENU 2 Press the 3 button for Auto Scroll 3 Press YES to enable the feature After a measurement the screen will remind you that Auto Scroll is enabled and after a few seconds the screen will change to the results Every 5 seconds the screen will display the next set of results Pre...

Страница 34: ...n and under InstroTek s instructions In this mode the gauge can check the following components and functions of the gauge Battery Voltage High Voltage Temperature Reset Memory and test the depth sensors Battery Voltage This function measures and displays the total voltage on the 6 AA NiMH batteries The maximum measurable voltage on the battery packs is approximately 9 volts The low voltage indicat...

Страница 35: ...d service technician should do this it will render the gauge nonoperational and may require the gauge to be returned to InstroTek This function is used in case the gauge requires extensive work or repair Memory clear erases all stored information and in effect resets the gauge to pre calibration factory defaults The calibration constants will need to be re entered into the gauge Depth Sensor Test ...

Страница 36: ...uge 2 Wait 3 4 hours and then begin the next steps The gauge may be used during this time but if the gauge is not functioning correctly then it would be best not to use it to obtain measurements 3 After 3 4 hours set the gauge back on the standard block Make sure the source handle is in the SAFE position 4 Press the MENU button Press the 6 button 5 Press START 6 After 20 minutes the results will b...

Страница 37: ... feet 10 meters away from other gauges 4 Place the source rod in the SAFE Position 5 When the display reads Stat Test press START 6 After 20 minutes the display will show the results of the test you can scroll through to see each count 7 If the test fails repeat the test If two out three tests fail contact your InstroTek representative Note Control the movement of other gauges during this test Alw...

Страница 38: ...nserting a USB drive in the gauge and pressing the STORE key The standard counts will be stored in the USB drive for future use 10 Select Language Elite is currently designed to work in two languages English and Spanish Press 1 then 0 Select 1 for English and 2 for Spanish 11 Set Units This menu function allows the gauge to set the default units to pounds per cubic feet PCF or lb ft3 kilograms per...

Страница 39: ...nt decays approximately 2 2 per year The corrected calibration standard count is compared to the daily standard count The Pass Fail limit is set at 1 of the decay corrected calibration standard count This calculation is done automatically by the gauge and Pass Fail limit is displayed To ensure proper results in this mode the calibration date and calibration standard count stored in the gauge has t...

Страница 40: ...materials not covered by the factory calibration In the special calibration mode a new B constant is calculated by using an actual field sample and obtaining the true density of the sample The B value is the only constant in the gauge that is influenced by the material composition So changing this constant is the most effective way to account for material composition changes in the field To perfor...

Страница 41: ...ons if counts and true density values are determined and input in the gauge software Furthermore the gauge software is written so that the entire special calibration function process including collection and storage of counts is performed by the software Follow gauge instructions to perform Special Calibration To use the Special Calibration Function Press MENU Press 1 THEN 6 15 Buzzer Alarm 16 Spe...

Страница 42: ...nd new special calibration At this point the gauge provides the option to derive the Spec Cal constant B or entering the constant previously derived When Yes is selected the gauge will prompt to select the number of counts required to take on the material It is recommended that a minimum of four and maximum of ten readings are selected for this test Select 1 to 10 readings Use Gauge to Derive B Va...

Страница 43: ...d the gauge will average all counts and will ask you for the True material density True density is achieved by collecting a representative material sample from the field and analyzing this material in the laboratory by using a conventional density test You may also consider using other test methods such as sand cone and balloon methods in the field for determination of True density if specified by...

Страница 44: ...he previous B value until it is over written by a new special calibration test Note If operating in g cc mode the gauge will prompt to enter the density in kg m3 g cc x 1000 Important Record and save the B value for future use Having the B value eliminates the necessity of going through the gauge derived process It may be more practical to enter the density at a later date If a density value is no...

Страница 45: ...alt and asphalt on concrete projects Since the density variation between the top and bottom material for asphalt on asphalt and asphalt on concrete pavements are minimal use of the Nomograph mode does not guarantee more accurate results The influence from the bottom material is masked by the top material density and the results of the Nomograph mode and BS mode will not be different Only use the N...

Страница 46: ...the gauge and K is the effect of the top layer on the density measurement K is dependent on top layer material thickness and is defined by X is the top material thickness and 𝑎11 𝑎12 𝑎13 are constants derived at the factory The gauge software automatically performs Nomograph calculations To use this function select the menu item and press the 17 button Select YES to enable the Nomograph function F...

Страница 47: ...terial density prior to construction of the overlay Once bottom material density is entered the Nomograph mode can be activated During measurements Nomograph is displayed to indicate Nomograph is active If the gauge is turned off the Nomograph mode is disabled Enable this function again through the menu by following gauge prompts and activating the most recent saved data The most recent Nomograph ...

Страница 48: ...F for entering a negative number use the DOWN button for a positive number use the UP button 6 The depths will be displayed Scroll to the desired depth and press the corresponding number for desired depth A B and C constants can be set for each depth Use the DOWN key to enter sign After all depths have been entered and you are back at the select the depth screen you can press the ON YES button to ...

Страница 49: ...unscrew the four screws on the front of the panel lift out of the housing and turn over the scaler The reset button is on the top of the scaler circuit board See Fig 3 1 RS 232 This connection will download the constants into the gauge with the aid of the computer software Please contact InstroTek for more information J 45 This connection is only used at the factory to program the system software ...

Страница 50: ...InstroTek 46 Fig 3 1 Backside of the Front Panel circuit board J45 Connector RS232 Connector Reset Button Display Contrast ...

Страница 51: ...properties Typical elements are Silicon Oxygen Gold Copper and Iron Currently 118 primary elements have been identified 90 natural the rest man made A few of the elements have been created only in the laboratory but they decay very quickly Atom is a Greek word for indivisible The simplest element atom is hydrogen It has one proton no neutrons and one electron A more complex element is oxygen that ...

Страница 52: ...u Cuprum Copper Fe Ferrum Iron The atomic number Z is the number of protons in the nucleus The mass number A is the sum of the protons and the neutrons in the nucleus Isotopes Elements that have the same number of protons same atomic Number but different numbers of neutrons different atomic mass numbers are called Isotopes Hydrogen has three isotopes The most abundant hydrogen isotope has one prot...

Страница 53: ...umber Z For the most materials in the earth s crust this presents no problem since the ratio of the atomic number to the atomic mass Z A is approximately 0 5 ELEMENT SYMBOL No Z MASS A Z A EARTH S CRUST Oxygen O 8 16 00 0 5000 49 9 Silicon Si 14 28 09 0 4984 26 0 Aluminum Al 13 26 98 0 4818 7 3 Iron Fe 26 55 85 0 4655 4 1 Calcium Ca gamm 20 40 08 0 4990 3 2 Sodium Na 11 22 99 0 4785 2 3 Potassium ...

Страница 54: ...sium 133 found in nature is stable while Cesium 137 a by product of making atomic weapons materials is not By nuclear reactions man has produced a large number of unstable isotopes not found in nature Any unstable isotope that gives off energy while decaying to a stable isotope is defined radioactive Like other forms of energy radiation can be useful or harmful depending upon its use Alpha Beta Ne...

Страница 55: ...ypes of ionizing radiation The alpha and beta radiation will be stopped by the stainless steel source containment Only neutron and gamma radiation contribute to occupational radiation exposure Neutron radiation Neutron radiation in the Elite gauge is produced by alpha particles from the Americium 241 bombarding the Beryllium Neutron radiation has no charge and is very penetrating To shield against...

Страница 56: ...terial Half Life An important characteristic of radioactive material is that its activity decays with time The half life T1 2 of a radioactive material is the time it takes for half the atoms in any given mass of the material to decay Half lives vary from fractions of a second to millions of years After ten half lives only 1 1 000th of the radioactivity remains The two sources in the MC 3 Elite mo...

Страница 57: ...ose effects of the radiation Initially it was replaced by Radiation Absorbed Dose and is a unit of dose Rem The RAD only applied to air so it was soon replaced by Rem The Rem includes the biological effectiveness of the radiation type It is related to the RAD by its Relative Biological Effectiveness RBE or Quality Factor and is a unit of dose referred as equivalent dose Quality Factor QF Quality f...

Страница 58: ...n with the earth s atmosphere It increases 1 mRem for every 100 ft of elevation above sea level San Francisco Sea Level Denver 5 280 ft 44 mRem 97 mRem Earth From the natural radioactive materials in the ground 15 mRem Housing From the materials used to build our homes and work places Stone house Brick or concrete Wood house 50 mRem 45 mRem 35 mRem Living Eating Drinking Breathing Body Television ...

Страница 59: ...atural radiation have poorer health as a result Some of the longest living people in the world live in high mountain regions In areas of Brazil and India the natural radiation is ten times greater than the average in other parts of the world The exposure limit set by the United States Radiation Protection Authorities is 5000 mRem per year for radiation workers ALARA As Low As is Reasonably Achieva...

Страница 60: ...he operator The gauge has shielding installed ALARA is another way of saying Use common sense Time When the operator is using a radioactive source he is in a radiation field from that source Reducing the time spent with the gauge significantly reduces the radiation dose received by the operator The strength or dose rate of that field is measured in mRem per hour For a given dose rate and time in t...

Страница 61: ...ce will reduce the dose rate to one fourth Cutting the distance in half will increase the dose rate by four times Shielding Shielding is an effective way to reduce radiation exposure Alpha particles can be stopped by a single sheet of paper however gamma and neutron radiation cannot be completely stopped by shielding but can only be reduced Polyethylene which contains a very high concentration of ...

Страница 62: ...pecify the type form amount and use of the radioactive material Radioactive Material Amount Form Amount Use Cesium 137 Sealed Source Not to exceed 11 mCi per source For use in InstroTek MC 3 Elite Moisture Americium 241 Be Sealed Source Not to exceed 55 mCi per source Density Gauge The quantity specified under amount is the MAXIMUM activity which shall not be exceeded for a single source Furthermo...

Страница 63: ...ab for analysis A source is considered leaking if more than 0 005 microcurie of removable contamination is found A copy of the leak test certificate should be kept with the gauge and a second copy in the RSO s files available for inspection by the regulatory agency If the user has several gauges it is more convenient if they are all tested at the same time e g the first working day of January and ...

Страница 64: ...Gauge Operator s Manual Notify the regulatory agency of any incident or condition that might be hazardous to the user or the public For gauge users this includes Immediate Accident involving possible dispersement of radioactive material or theft or loss Total Effective Dose Equivalent 5 Rem loss of equal or greater than one week of operations damage to property of greater than 200 000 24 Hour Expo...

Страница 65: ...e regulatory agency to see that the regulations are followed The RSO is the person in the organization responsible to see that safe practices are followed and that the proper records are maintained Designating an RSO does not relieve the owner officers of the ultimate responsibility Notice to Employees A Notice to Employees is a document issued by the regulatory agency Normally safety problems wou...

Страница 66: ...y agency issues a new license If this is the case along with the copy of the license get a copy of the Timely Renewal Letter from the regulatory agency or a statement from the other party Temporary Storage Use of the gauge will involve removing it from its storage location described in the license and bringing it to job sites and other locations to test materials The end user is responsible to ver...

Страница 67: ...s necessary to get a license in the other jurisdiction Service Maintenance Service and maintenance is a part of the Radiation Safety Plan of any organization Prior to each use the integrity of the shutter should be checked If a source rod becomes stuck in the transmission or exposed position it is considered an exposed source The gauge will require cleaning of the shutter block area depending on t...

Страница 68: ...fined as a hazardous substance It should not be disposed of without considering others When the gauge is no longer needed or useful to the organization it is best to transfer the ownership out of the organization A disposal broker such as a manufacturer may take the gauge back for a fee In all cases the recipient must be properly licensed ...

Страница 69: ...e from the US Government Printing Office They are updated in October Note The regulations define any employee that is involved with the transportation of hazardous materials as a HAZMAT employee and requires that they receive appropriate training by the HAZMAT employer This training must take place within 90 days of hire or transfer and must be current within three years The employer is responsibl...

Страница 70: ...cribed under International Air Shipments can be used to satisfy this requirement Class 7 applies to Radioactive Material UN3332 is an assigned number which allows quick selection in reference manuals Reportable Quantity 49CFR requires that shipments of quantities of hazardous materials above certain levels are marked RQ and must be reported to the EPA in the event of an accident that results in a ...

Страница 71: ...e supplied by the gauge manufacturer The manufacturer must also provide a Closure Instructions document for the Type A package This document should be kept in the gauge case at all times The Type A tests include water spray free drop corner drop compression and penetration test Labeling A radioactive label must be selected from the following RADIOACTIVE Dose rate at package surface Transport Index...

Страница 72: ...th the manufacturer s published data Fig 6 2 Yellow II Label The Transport Index is an indicator to the vehicle operator the degree of control required It is actually the maximum dose rate in mRem hr at one meter from the package Since it is intended to be used by non technical personnel it is expressed as a dimensionless number rounded up to the nearest 1 10th For multiple package shipments the d...

Страница 73: ... be marked with the following Shipping Name Package Type Country of Origin International shipments InstroTek combines the above information on one label RQ Radioactive Material Special Form Type A Package UN3332 7A TYPE A in characters USA ...

Страница 74: ...est to include it just in case Emergency Contact The shipper must provide the telephone number which must be monitored at all times the shipment is in transit and answerable by a person knowledgeable of the hazardous material being shipped and has comprehensive emergency response information or has immediate access to a person with such knowledge For normal daytime work this can be the organizatio...

Страница 75: ...nspection The gauge and package should be checked prior to each shipment This should include The gauge handle is in the shielded position and the trigger is securely locked Confirmation that the shutter block is fully closed by either a visual inspection or radiation survey The gauge is placed properly in the package and that the package contains only those items which are required to be present T...

Страница 76: ...re the gauge during transport and any time the gauge is not under continuous surveillance 5 Driving The technician should drive in a friendly low profile manner for example minimum lane changes And park in the outer area of a public parking lot 6 Shipping Papers The driver should have within view and within reach normally on the seat adjacent to the driver the shipping paper and the emergency resp...

Страница 77: ...tion truck air domestic and air international Truck Freight Shipping Paper The shipping paper will be a Bill of Lading supplied by the carrier and properly filled out by the shipper and emergency response form If more than the gauge will be shipped the hazardous material must be listed first The pre printed Bill of Lading includes the certification A sample Bill of Lading and emergency response is...

Страница 78: ...her than 49CFR This requires some changes and additional information Shipping Paper Federal Express has a special combination document that is both an Air Bill and a Declaration of Dangerous Goods Document The DG document has specific places for the shipping information It includes certification The words Cargo Aircraft Only must appear on the Air Bill The source activity must be stated in units o...

Страница 79: ...e the USA will allow portable moisture density gauges to be carried on passenger planes However any international air shipments into or out of the USA must enter or exit the USA on a cargo only aircraft Shipping Paper The shipping paper will be an Air Bill supplied by the carrier and properly filled out by the shipper The pre printed Air Bill includes the certification A normal practice is for the...

Страница 80: ...gauge In the USA it is obtained from the DOT This document will generally be supplied by the gauge manufacturer which obtained them from the source manufacture These documents expire Current copies should be obtained as appropriate Some carriers require that copies of the cited Certificated be attached to the DG document Certificates of Competent Authority on file may be used to satisfy the Specia...

Страница 81: ...tter BS and direct transmission In the backscatter mode the source and the detector are in the same plane In direct transmission a hole is formed in the material and the source rod is inserted at a desired depth between 2 and 12 inches 50 to 300 mm Cs 137 has a maximum energy of 0 662 Mev Photons from the source penetrate the test material and are scattered back to the GM detector or absorbed by t...

Страница 82: ...he screen is calculated by Count ratio CR in the above equation is calculated by the ratio of counts to reference standard counts Test Count DC is divided by Standard Count DS Cs 137 has a half life of 30 years 2 2 reduction in intensity per year The count ratio is used in this case to correct for natural decay of the source For this reason it is very critical that users obtain an accurate referen...

Страница 83: ... the gauge base The average energy released by the Am 241 Be source is 4 5 Mev with a spectrum energy ranging from 0 to 10 Mev In the moisture measurement process fast neutrons from the source interact with the hydrogen nucleus present in water and thermalize slow down The thermal or slow neutrons are then counted by the He 3 tube Increase in water content results in a proportional increase in the...

Страница 84: ...ches 64 to 100 mm of the material Moisture measurement depth depends on the gauge geometry and moisture content of the material The measurement of moisture is heavily weighted by the material closest to the gauge In general a gauge with a range in moisture measurement of 0 40 PCF 0 to 640 kg m3 the measurement depth is approximately 9 inches 230 mm for soils containing 10 PCF 160 kg m3 of moisture...

Страница 85: ...s The two blocks routinely used for moisture calibration are magnesium 0 lb ft 0 kg m3 and a combination block of magnesium and polyethylene 35 lb ft 560 kg m The gauge standard count and the counts on these blocks are used in a linear equation such as the one below to calculate the parameters E intercept and F slope M A MCR B MCR is the moisture count ratio which is the ratio of the measured mois...

Страница 86: ...e approximately 20 years is insignificant Surface Roughness error is caused by streaming of photons from the source to the detectors in the air space immediately under the gauge Surface roughness error at BS depth is much higher than direct transmission Surface error is usually calculated by taking a reading with the gauge directly on limestone block and repeating the reading on the same block wit...

Страница 87: ...𝒖𝒂𝒍 𝑮𝒓𝒂𝒏𝒊𝒕𝒆 𝑨𝒄𝒕𝒖𝒂𝒍 𝑮𝒓𝒂𝒏𝒊𝒕𝒆 𝑮𝒂𝒖𝒈𝒆 𝟐 Lime Gauge and Granite Gauge are density of limestone and granite standards measured by the gauge after calibration Lime Actual and Granite Actual are actual density values of limestone and granite This error indicates the amount of error you will have in your measurement when going from one soil composition extreme to the other Composition error in most gauges c...

Страница 88: ...ter Second that there are no elements that absorb neutrons However in construction type soils boron in some soils chlorine in coastal soils and iron oxide in deposits can be encountered in sufficient concentration to affect the readings Also variation in bound hydrogen in clay soils can cause significant errors in gauge moisture readings and have to be corrected for under the offset functions in t...

Страница 89: ...safe position 2 Remove the four screws from the front panel and lift the panel 3 Locate the radiation label in the bottom of the gauge 4 Using InstroTek Leak Test Kit moisten one swab from part number 520 7200 5 Wipe the radiation label with the swab 6 Replace the front panel and tilt the gauge on its side 7 Use the swab and wipe around the source rod opening under the gauge 8 Place the swab in th...

Страница 90: ...tungsten shielding Do not attempt to remove this source from the source rod Bottom Plate Maintenance in the bottom plate area of the gauge may be required if the following problems are encountered while using the gauge Difficulty in lowering or raising the source rod when pulling the handle up or down and or unusual density counts These are generally an indication that soil or other material has m...

Страница 91: ...ent There should be a scraper ring in the bottom plate hole where the source rod extends if the ring is worn or missing call InstroTek for a replacement 4 If a large amount of dirt has accumulated in the cavity above the bottom plate the scraper ring has become worn and should the replaced Replace the scraper ring by removing the retaining ring with a small screwdriver It is recommended that the s...

Страница 92: ...odic lubrication with MagnaLube Indications of this are difficulty in moving the rod up and down or binding of the rod Add MagnaLube to the swab and swab the source rod at the point of entry into the gauge Cleaning Most of the gauge cleaning should be done with a mild cleaner such as 409 or a citrus based cleaner like GooGone We do not recommend using fuels gasoline or diesel or oils to clean the ...

Страница 93: ...Set Handle in BS position 2 Loosen 5 32 in Allen head hex screw on side of guide tube ONLY until handle is free Do not remove screw 3 Pull Handle away from guide tube 4 Check beveled front edge of handle latch for excessive wear Fig 8 1 5 Check notches inside guide tube for excessive wear ...

Страница 94: ...k 90 Fig 8 2 6 Reassemble handle to guide tube assembly and Tighten the Allen screw Note If wear on the notches or latch appears to be excessive contact your CPN InstroTek service representative for assistance ...

Страница 95: ...arge or change batteries 2 Gauge inside is wet dry the interior of the gauge 3 Ribbon cable inside the gauge is defective or not connected 4 Keypad is defective Density readings are incorrect 1 Check calibration constants 2 Check standard count Counts are erratic 1 Circuit problem contact InstroTek ...

Страница 96: ...at 2000 Kg m3 7 8 kg m3 0 49 lbs ft3 Direct Transmission Precision at 2000 Kg m3 3 5 kg m3 0 22 lbs ft3 Moisture Precision at 240 Kg m3 4 42 kg m3 0 28 lbs ft3 Composition Error BS 16 kg m3 1 0 lbs ft3 Composition Error Direct Transmission 13 kg m3 0 8 lbs ft3 Surface Error BS 48 kg m3 3 0 lbs ft3 Surface Error 150 mm 6 depth 16 kg m3 1 lbs ft3 Backlight Display and Keypad Yes Internal Temperature...

Страница 97: ...InstroTek 93 ambient 10 to 70 C 14 to 158 F Maximum Surface Temperature 170 C 338 F Gauge Size 67 8cm x 35 8cm x 24 8cm 26 7 x14 1 x 9 75 Weight 13Kg 28 5 lbs Shipping Weight 40 Kg 90 lbs ...

Страница 98: ...Raleigh NC 27617 RQ UN 3332 Radioactive Material Special Form NON FISSILE OR FISSILE EXCEPTED 7 Type A Package Containing Cs 137 0 37 GBq 10 mCi Am 241 Be 1 85 GBq 50 mCi Radioactive Yellow II Label TI 0 4 EMERGENCY CONTACT 1 800 535 5053 Shipper ________________________________________________ Signature ...

Страница 99: ...xternal radiation exposure and much higher external exposure if contents source capsules are released Contamination and internal radiation hazards are not expected but not impossible Packages cartons boxes drums articles etc identified as Type A by marking on packages or by shipping papers contain non life endangering amounts Radioactive sources may be released if Type A packages are damaged in mo...

Страница 100: ...n instruments Water from cargo fire control is not expected to cause pollution 3 Fire or Explosion Packaging can burn completely without risk of content loss from sealed source capsule Radioactivity does not change flammability or other properties of materials Radioactive source capsules and Type B packages are designed and evaluated to withstand total engulfment in flames at temperatures of 800 C...

Страница 101: ...nstructions or advice is received from Radiation Authority 4 Protective Clothing Positive pressure self contained breathing apparatus SCBA and structural firefighters protective clothing will provide adequate protection against internal radiation exposure but not external radiation exposure 5 Evacuation Large Spill Consider initial downwind evacuation for at least 100 meters 330 feet Fire When a l...

Страница 102: ...y away and await advice from Radiation Authority 8 First Aid Ensure that medical personnel are aware of the material s involved take precautions to protect themselves Call 911 or emergency medical service Medical problems take priority over radiological concerns Use first aid treatment according to the nature of the injury Do not delay care and transport of a seriously injured person Persons expos...

Страница 103: ...endix 3 Model MC 3 Elite Radiation Profile Fig A3 3 Open Case Radiation Profile Back Front Fig A3 1 Closed Case Radiation Profile Fig A3 2 Gauge Radiation Profile Front Right Left Bottom Front Top Side Back Base Handle ...

Страница 104: ... X Meters Front Back L Side R Side Top Bottom Handle Ga mm a Neu tron Ga mm a Neu tron Ga mm a Neu tron Ga mm a Neu tron Ga mm a Neu tron Ga mm a Neu tron Ga mm a Neu tron G a u g e 0 5 M 5 0 2 0 6 0 2 0 4 0 1 6 5 5 1 4 2 8 2 0 12 0 4 0 0 2 0 8 3 M 0 5 0 8 0 4 0 6 0 1 0 2 1 2 0 1 1 2 0 3 4 0 1 0 1 0 M 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 2 C a s e 0 5 M 2 2 0 8 1 5 1 2 0 3 0 2 4 0 2 0 3 0...

Страница 105: ...5 ALPHA Particles 50 Am 241 Be 52 66 79 ASTM 92 Atom 47 48 Auto Scroll 25 29 45 Auto Depth 25 Auto Depth Calibration 25 Average Standard Mode 26 B Base and tower 92 Batteries 4 7 30 91 Battery Low 4 Battery Voltage 25 30 Beta Particles 51 52 Bill of Lading 94 Bottom Plate 86 ...

Страница 106: ...n Error 82 83 92 Count Ratio 21 37 52 78 D Daily Standard Count 10 35 Density 10 13 27 77 Density Calibration 78 80 Density Error 82 Density Measurement Range 92 Density Offset 27 Density Source 10 92 Depth of Measurement 37 80 DG Document 74 76 Display Contrast 45 Distance 57 Dosimetry 59 Drift Test 25 31 32 Drill Rod 3 17 18 Dry Density 15 21 ...

Страница 107: ...ool 3 17 G Gamma Radiation 50 53 Gamma Rays 50 53 Gauge Disposal 64 Gauge Errors 82 Gauge Shipping Weight 93 Gauge Size 93 Gauge Theory 77 Gauge Transfer 62 Gauge Weight 93 GM Tube 6 77 H Half Life 52 HAZMAT 65 72 He 3 Tube 6 79 I IATA 74 75 InstroTek Accident Emergency Number 71 Internal Temperature Monitoring 92 ...

Страница 108: ... L LCD 25 LCD Backlight 25 29 30 Leak Test Kit 59 85 Leak Test Procedure 85 Leak Testing 59 License 58 M MagnaLube G 86 Maintenance 63 86 Marshall 13 Maximum Surface Temperature 93 Memory Clear 31 Menu Functions 25 Moisture 62 Moisture Activity 62 Moisture Calibration 80 Moisture Count Ratio 20 Moisture Error 27 83 ...

Страница 109: ...ergency Number 71 Natural Radiation 54 55 Neutron Particles 51 Neutron Radiation 51 57 77 Nomograph 26 41 Notice to Employees 61 O Offset 26 27 Operating Temperature 92 P Personal Monitoring 59 Precision 9 82 Proctor 13 14 21 Q QF 53 Quality Factor 53 R RAD 53 Radiation Profile 68 99 105 Radiation Safety 53 60 61 ...

Страница 110: ...l 25 26 Reciprocity 63 Regulations 58 62 65 Rem 53 Reset Button 45 Ribbon Cable 91 Roentgen 53 Routine Maintenance Bottom Plate 86 Cleaning 88 Leak Test 59 85 Radiation Sources 86 Source Rod Bearings 88 RS 232 45 RSO 59 61 S Safety Plan 61 Scraper Plate 3 17 Self Test 6 7 Serial Number 26 35 Service Maintenance 63 ...

Страница 111: ...07 110 Site Preparation Asphalt 19 Soil Aggregates or Granular Materials 17 SmartCharge 5 Source Rod 88 92 Source Rod Bearings 88 Special Calibration 26 36 Specifications 39 92 Standard Block 3 6 7 11 28 Standard Count 10 11 12 13 25 28 Stat Test 25 33 Surface Roughness Error 82 T Temporary Storage 62 Time 35 56 Top Shell 92 Training 60 65 Transport Index 67 68 70 92 ...

Страница 112: ...eling 67 Marking 68 95 Packaging 67 96 Preparation for Transport 71 RADIOACTIVE YELLOW II 68 75 76 96 Reportable Quantity 66 Shipping Name 65 66 69 95 Shipping Papers 69 72 95 Specific Functions 65 Transport Index 67 68 70 92 Truck Freight 73 Trench Offset 28 29 Troubleshooting 85 91 U Units 8 26 34 44 75 76 V Void less Density 16 W Wet Density 15 21 27 42 78 79 ...

Страница 113: ...InstroTek 109 Y YELLOW II 67 68 75 76 ...

Страница 114: ...arranty period This warranty is void if inspection shows evidence of abuse misuse or unauthorized repair This warranty covers replacement of defective materials and workmanship only It does not cover shipping charges duties or taxes in the transport to and from the factory or authorized service center InstroTek s liability is in all cases limited to the replacement price of its products InstroTek ...

Страница 115: ...11 Contact Information Innovators in Instrumentation Technology www InstroTek com 919 875 8371 sales InstroTek com Research Triangle Park NC Austin TX Bensalem PA Grand Rapids MI Denver CO Las Vegas NV Concord CA ...

Страница 116: ...it InstroTek com Call a Location near you Headquarters Research Triangle Park NC phone 919 875 8371 Bensalem PA phone 215 645 1064 ª Grand Rapids MI phone 616 726 5850 Denver CO phone 303 955 5740 ª Austin TX phone 512 452 8848 Las Vegas NV phone 702 270 3885 ª Concord CA phone 925 363 9770 ...

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