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RSDetection

User’s Manual

Copyright

©

2016 General Electric Company. All Rights Reserved

S131-200-UM Rev A

Page 53

g

Figure 32 Calibration Setup with No Shield

6.3

S

ENSOR

S

ENSITIVITY

M

EASUREMENT

After completing the equipment setup, complete the following steps to record the sensor
sensitivity at various increments.

THE RADIATION SOURCE SHOULD BE AT THE 10’ MARK WHEN COMPLETING THE FIRST
READING.

1.

Connect power to the sensor and turn it on.

2.

Remove the shield so that the source is not obstructed from the sensor. Refer to Figure 32.

3.

Allow the signal to stabilize for approximately one minute and then start recording the
data to the data collection system for a sufficient time period to obtain a stable reading.

4.

Move the shield into place between the source and the HPIC. Refer to Figure 33.

THE SHIELD CENTERLINE MUST BE INLINE WITH THE CHAMBER CENTERLINE TO THE
SOURCE. THE SHIELD MUST BE PLACED BETWEEN THE SOURCE AND THE SENSOR SO
THAT IT COMPLETELY SHIELDS THE DETECTOR FROM THE SOURCE.

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Содержание RSDetection RS-S131-200-ER0000

Страница 1: ...GE Measurement Control RSDetection User s Manual Applicable to part numbers RS S131 200 ER0000 RS S131 200 ERB000 S131 200 UM Revision A March 2016 8499 Darrow Road Twinsburg OH 44087 g ...

Страница 2: ...ter Stokes Inc and are provided to the recipient in confidence on a need to know basis Your use of this document is strictly limited to a legitimate business purpose requiring the information contained therein Your use of this document constitutes acceptance of these terms Copyright 2016 General Electric Company All rights reserved Contains Proprietary Information ...

Страница 3: ...yright 2016 General Electric Company All Rights Reserved S131 200 UM Rev A Page iii g REVISION HISTORY Revision Revision History Date NC Initial Release 2013 July A Updates based on customer feedback and changes to FW SW 2016 March ...

Страница 4: ...RSDetection User s Manual March 2016 S131 200 UM Rev A Page iv g This page intentionally left blank ...

Страница 5: ...ce or course of dealing the materials in this manual will be error free or that the materials in this manual will be complete accurate or timely No advice or information obtained by you from Reuter Stokes Inc or through the content and material in this manual shall create any warranty of any kind Reuter Stokes Inc does not make any warranties or representations regarding the use of the content and...

Страница 6: ...LOSURE SHOULD BE OPENED ONLY BY TECHNICIANS TRAINED AND APPROVED BY GE REUTER STOKES ALL SCREWS AND CONNECTORS MUST BE APPLIED TO RIGOROUS TORQUE SPECIFICATIONS TO CONFORM TO IP RATING AND ENSURE THE UNIT IS PROPERLY PROTECTED AGAINST ENVIRONMENTAL HAZARDS THIS INSTRUMENT DOES NOT INCLUDE PROTECTIVE GROUNDING WIRES DUE TO THE FACT THAT THIS INSTRUMENT IS BATTERY OPERATED AND MAY BE MOVED FROM LOCA...

Страница 7: ...TSIDE OF THE CHAMBER AND MAY RESULT IN SHOCK MISHANDLING MAY BURST THE CHAMBER AND RESULT IN INJURY OR DEATH THE RSDETECTION MAY ONLY BE OPENED BY TECHNICIANS TRAINED AND AUTHORIZED BY REUTER STOKES TO PREVENT DAMAGE TO THE INTERNAL BATTERY AND INTERNAL CIRCUITS DO NOT CONNECT A SOLAR PANEL AND BATTERY CHARGER SIMULTANEOUSLY THE OPTIONAL INTERNAL BATTERY USED IN THIS INSTRUMENT IS A LI ION BATTERY...

Страница 8: ...pean Union The marking may also include a chemical symbol indicating that the battery contains substances classified as hazardous by the European Commission Users of batteries must use the collection framework available to customers for the return recycling and treatment of batteries Customer participation is important to minimize the negative effects of batteries to the environment and sustain av...

Страница 9: ...n Chamber 1 1 1 2 Electrometer 1 1 1 3 DAQ Board 1 1 2 Operational Concepts 2 1 2 1 Configurations 2 1 2 2 Events 2 1 2 3 Scalar Measurements 2 1 2 4 Composite Measurements 2 PowerCycleCount 3 MinutesTillFullCharge 3 MinutesTillEmpty 3 BatteryVoltage 3 BatteryCurrent 3 BatteryTemperature 3 RemainingBatteryCapacity 3 FullChargeBatteryCapacity 3 PercentBatteryCapacity 3 WindSpeed 3 WindDirection 3 R...

Страница 10: ...nergy Response 19 4 1 2 Determining the F Factors 19 4 1 3 Saturation Characteristics 21 4 1 4 Measurement Characteristics 22 5 Software Configuration Utility 24 5 1 Available Tabs 26 5 2 Main Menu Functions 26 5 2 1 File Menu 26 5 2 2 Database Menu 28 5 2 3 Utilities Menu 29 5 2 4 Help Menu 30 5 3 Configuration Utility Tabs 31 5 3 1 Events Tab 31 5 3 2 Measurements Tab 36 5 3 3 Configurations Tab...

Страница 11: ...8 3 3 USB Type B 65 8 3 4 USB Type A 2 65 8 3 5 Ethernet 65 8 4 Supported External Devices 66 8 4 1 FTDI VCP Driver Download and Install Procedures 66 8 5 System and Accessory Part Numbers 68 8 6 Legacy Software Configuration 69 8 6 1 Legacy Command Support 69 8 6 2 D L and E Commands 69 8 6 3 M Commands 70 8 6 4 A Commands 71 8 6 5 P Commands Configuration Commands 71 8 6 6 C Commands Clear Data ...

Страница 12: ...istics Screen 28 Figure 18 Delete Records Dialog Box 29 Figure 19 Utilities Menu 29 Figure 20 Date Time Screen 30 Figure 21 Unit ID Screen 30 Figure 22 Events Tab On Electrometer Screen 31 Figure 23 Measurements Tab On Electrometer Test Screen 36 Figure 24 Configurations Tab On Electrometer Test Screen 39 Figure 25 Configuration Types 40 Figure 26 Property Grid 40 Figure 27 Plots Tab 47 Figure 28 ...

Страница 13: ... Manual Copyright 2016 General Electric Company All Rights Reserved S131 200 UM Rev A Page xiii g Figure 37 Select Program Location 61 Figure 38 Install Check 62 Figure 39 Discovery No Units 63 Figure 40 67 Figure 41 67 ...

Страница 14: ...ration Parameters 43 Table 13 Serial Ports Configuration Parameters 44 Table 14 RSDetection Configuration 44 Table 15 Display Configuration Parameters 46 Table 16 Weather Station Configuration Parameters 46 Table 17 Test Equipment and Materials 51 Table 18 Senor Sensitivity Calculation 54 Table 19 Power Connector Pinout 64 Table 20 10 Pin Serial Connector Pinouts 65 Table 21 System and Accessory P...

Страница 15: ...he electrometer mounts directly to the ion chamber It connects to the DAQ board by a cable that supplies power to the electrometer and provides a communication interface 1 1 3 DAQ Board The DAQ board gathers data from several internal inputs and supported external sensors A processor is used to gather sensor data and perform calculations The data is stored in a database for later retrieval The app...

Страница 16: ... measurements Most measurements fall into the category of Scalar Measurements A scalar is expressed as a numerical value Each measurement has a unit type such as volts or dose rate and formatting information defined by its associated configuration See the Software Configuration Utility section of this manual for complete descriptions 1 2 4 Composite Measurements There are some measurements whose d...

Страница 17: ...XML commands are new to the RSDetection unit and support all of the configurable capability measurements and events These commands and responses conform to the XML standard widely used in internet data transfer All of these make use of XML elements which typically have a start tag and an end tag with the content between them A description of these commands which is beyond the scope of the user man...

Страница 18: ...ed Measurement Event Configuration Each event and measurement has its own notification enable that inhibits or allows notifications for that one item Communication Channel When a host computer establishes a connection Ethernet or serial notifications are disabled by default In order to start notifications a NotifyEnable command must be sent with the enable property set to true Reference the RSDete...

Страница 19: ...Reserved S131 200 UM Rev A Page 5 g 1 2 8 Database Data is stored in a database designed for use with the operating system The database consists of five tables Configuration Events ScalarMeasurement CompositeMeasurement EventStates A block diagram of these tables is in Figure 1 ...

Страница 20: ...teCurrent Time Comment MeasurementId PK ConfigurationId Time Value StateId PK Name Figure 1 Database Tables Each sensor if enabled will record data to this database Data for each sensor is recorded based on the customer specified logging interval All data is an average value calculated over the logging interval Sensors can be sampled every 5 seconds but may be sampled less frequently if desired Th...

Страница 21: ...ted to allow new data to be recorded Typical recording intervals will result in over one year of recorded data THE DATABASE MAY BE CUSTOMIZED USING THE CONFIGURATION UTILITY TO MEET CUSTOMER NEEDS 1 2 9 Time and Time Zones The RSDetection is time zone aware and is always configured to maintain the date and time based upon Greenwich Mean Time GMT When XML commands are received that include date and...

Страница 22: ...sed on the RS S131 The part number is RS S131 200 232 AD USB B Direct to a PC The USBB connector is square The USBA connector is rectangular This USB connection is designed for direct connection with the PC using a standard USBB to USBA cable Similar to the dedicated RS 232 port it is always present and has the device name of COM2 The unit ships with an RS S131 200 USBB cable This cable has a weat...

Страница 23: ...e purchased part number RS S131 232 USBA This cable has a weatherproof connector on one end but the other end is not weatherproof The customer must weatherproof this connector via a NEMA box or other enclosure Once the device is connected the RSDetection creates a serial port and the port can then be configured via the configuration utility The first device that is plugged in will be assigned the ...

Страница 24: ...oof The customer must weatherproof this connector via a NEMA box or other enclosure As with any network capable device the unit must have an IP address assigned by a DHCP server or configured with a static IP address For details on configuration see the RSDetection Configuration Parameters section of this document and entry on the Configuration tab menu Consult with your IT department for the appr...

Страница 25: ...ren Never use a battery that appears to have suffered abuse Charge and Discharge Charge with an appropriate charger only Never use a modified or damaged unit to charge the battery Use unit only as specified Storage Store in a cool dry and well ventilated area Disposal Dispose of in accordance with local regulations THE OPERATING TEMPERATURE OF THE BATTERY IS 10C TO 55C OPERATION OF THE RSDETECTION...

Страница 26: ...llation site All electrical items must be either certified for outdoor use or enclosed in an appropriate NEMA enclosure Items needed for basic installation are An external 12V DC power supply to operate the unit and charge internal battery if so equipped An Ethernet interface such as a router if Ethernet communications will be used A mounting structure such as a post with mounting flange another c...

Страница 27: ...NFIG UTILITY IF USING THE USBB CONNECTION OR USB TO RS 232 ADAPTOR ON THE PC 4 Connect external power cable The RSDetection power wiring is shown in Table 19 5 Apply power to the unit 6 Verify the following LED sequence occurs Off for approximately 5 seconds Solid red Solid yellow Blinking green or other blinking sequence as indicated in Table 2 LED Operations 7 Monitor data until the unit is oper...

Страница 28: ... Manual CD part number RS S131 200 CD into the computer 2 Determine if the Operating System CoreLoad requires updating Note the versions are dates starting with year then month and day separated by periods Version formats may vary Determine the Operating System CoreLoad version currently loaded in the RSDetection by viewing the OS Version using the Get Unit ID function of the Configuration Utility...

Страница 29: ...blinks normally after the new firmware installation is complete Note that if CoreLoad cab was updated installation may take several minutes THE RSDETECTION UNIT MUST REMAIN POWERED UP DURING THE UPLOAD AND INSTALLATION PROCESS IF POWER IS LOST DURING THE PROCESS THE UNIT MAY NEED TO BE RETURNED TO THE FACTORY FOR FIRMWARE INSTALLATION THE MOST CURRENT UP TO DATE RS DETECTION FIRMWARE CAN BE DOWNLO...

Страница 30: ...d note this value By subtracting the background from the check source value you will obtain the increase due to the source It is this value that should be constant if the calibration does not change If carefully performed this method should be reproducible to within about 1 3 4 3 Optional Battery Replacement The percent remaining battery capacity may be useful in determining the battery replacemen...

Страница 31: ...e case The battery should be oriented so that the connector is located toward the outside edge of the case This allows the battery cable to be connected without undue strain 7 Insert connector onto the battery 8 Place the gasket back onto the case 9 Place the battery cover over the gasket 10 Secure the battery cover by tightening the captive screws For proper weatherproofing these must be torqued ...

Страница 32: ...nergy and the incident direction of the photons In practice it is assumed that the directional effects average out and that the energy and flux are the most important The ionization produced will be swept to the anode and cathode by the electric field within the detector this generates an electric current that is a function of the incident flux and photon energy 10 SS Sphere 1 8 2 Spherical anode ...

Страница 33: ...ange and the ability to measure gamma s falls off below 60KeV The result of this is that some isotopes over respond and some under respond as compared with the air equivalent standard Overall this difference is not great and in most applications it is not considered One reason for this is that to apply a correction requires one to know the energy of the incident photons If this is known a correcti...

Страница 34: ...de a correction factor if the source of the gamma field is known Since the detector is calibrated with respect to Ra226 this correction is the ratio of the measured isotope to the Ra226 F factor A table of these correction factors is shown in Table 4 Table 4 Correction Factors Co 60 0 980 Cs 137 1 002 Ra 226 1 000 Kr 85 1 035 Kr 85m 1 314 Kr 87 1 027 Kr 88 1 013 Xe 133 1 608 Xe 133m 1 223 Xe 135 1...

Страница 35: ... collect all of the ions generated is termed the saturation voltage which varies with the dose rate being measured A typical saturation curve for dose rate levels of 1 0 and 10 0 mR h is shown in Figure 8 Figure 8 Saturation Curves To ensure collection of all the ions a voltage of about 13 volts is required if the field is 1mR h and a bias of 49 volts at 10mR h For the standard range of 100mR h th...

Страница 36: ...ations during calibration are minimized by performing measurements with and without a lead shield in the path of the primary beam of radiation By subtracting these two measurements the background and the scattered components of the source are eliminated Last is the measurement error as a result of statistical and experimental error Two techniques are used to minimize these errors long averaging ti...

Страница 37: ...the HPIC and a cylindrical GM counter The calibration of each of these detectors may be the same but the amount of time required to achieve a given statistical accuracy is quite different In this example the field increased from 8 uR h to 15 uR h but with the GM output it is much less clear what actually happened during this period Figure 9 Statistical Response Directional Response One of the stre...

Страница 38: ...communicate This of course means the user must know the IP address or serial port of the desired unit This is dependent on the customer network REFER TO THE APPENDIX FOR APPROPRIATE COMMANDS TO MANUALLY PROGRAM CONFIGURATION SETTINGS 1 To open the Configuration Utility double click the icon on your desktop The Discovery screen opens Figure 10 Discovery Screen 2 Select the appropriate gamma monitor...

Страница 39: ...RSDetection User s Manual Copyright 2016 General Electric Company All Rights Reserved S131 200 UM Rev A Page 25 g USB USB B COM 2 Figure 11 USB B Connection DHCP Router Figure 12 Ethernet Connection ...

Страница 40: ...plotted or listed in a tabular format for that period 5 2 MAIN MENU FUNCTIONS A menu bar is located in the upper portion of the screen and is shown in the Figure 13 Figure 13 Main Menu 5 2 1 File Menu Figure 14 File Menu Upload Unit Firmware Firmware can be loaded into the unit using this menu selection Selecting this item displays a File Selection dialog box to select a file containing the firmwa...

Страница 41: ...5 Application Configuration Screen Save Unit Configuration There are many configuration options available and these are described in detail in the Configurations Tab section of the manual Using this menu item the configuration of the unit can be saved to a file This file could then be used at a later time to restore the configuration When selecting this item the File dialog box displays to allow f...

Страница 42: ...w the dates for the oldest and newest measurements as well as events Note as database size becomes large requesting database statistics may take over 10 seconds to complete Delete Measurements Deletes all measurement records in the scalar measurements table Executing this command will result in the permanent loss of the data records Delete Events Deletes all event records in the event log Executin...

Страница 43: ...labeled RSS 131 Compatible located in the center of the dialog This should only be checked if the unit is operated in legacy mode where the older commands are used The reason for the optional selection is that the older commands are not time zone aware while the new commands are For a more detailed discussion refer to the Time Zone section of the manual There is also a separate button Set to PC Ti...

Страница 44: ... the various system components along with the firmware version Figure 21 Unit ID Screen Restart Unit This menu selection allows the user to remotely restart the RS Detection Unit Selecting this menu item sends a command to the unit restarting the unit as if the power button was cycled 5 2 4 Help Menu About Displays the current configuration utility version ...

Страница 45: ...ny All Rights Reserved S131 200 UM Rev A Page 31 g 5 3 Configuration Utility Tabs 5 3 1 Events Tab Displays the current status of the unit which provides the name of the event the current state and the time it was checked Figure 22 Events Tab On Electrometer Screen ...

Страница 46: ...dose rate measurement is available ElectrometerUpdate Electrometer EepromStatus At startup and upon command an EEPROM test can be run and the results are reported with this event EEPROMIdle EEPROMPass EEPROMFail EEPROMInvalidConfiguration Electrometer ConfigurationChange Set if any change to the electrometer configuration occurs Only used for event logging and will never change on this screen HPIC...

Страница 47: ...estarted SystemInitializing SystemStarted NetworkStatus Reflects the current connection to the TCP IP network Connected Disconected Date Time Set Whenever the date time is set this event is toggled DateTimeSet ConfigurationChange Set when any configuration parameter is changed ConfigurationChange MetStationStatus The current state of communication with the meteorological station MetStationOK MetSt...

Страница 48: ... specified in the event configuration this event will generate an alarm NoAlarm AlarmActive BatteryVoltageHigh If the battery voltage exceeds the alarm limit specified in the event configuration this event will generate an alarm NoAlarm AlarmActive BatteryVoltageLow If the battery voltage is lower than the alarm limit specified in the event configuration this event will generate an alarm NoAlarm A...

Страница 49: ...ature exceeds the alarm limit specified in the event configuration this event will generate an alarm NoAlarm AlarmActive BatteryCapacityAlarm If the PercentBatteryCapacity measurement falls below the alarm limit this event will alarm NoAlarm AlarmActive DatabaseSizeWarning If the database file size exceeds 20 of the maximum allowable size this event will become active NoAlarm AlarmActive ...

Страница 50: ...ments Tab Displays the current measurements of the unit including the type of measurement the value and the time the measurement was taken Individual values will update at the recording interval specified for that measurement Figure 23 Measurements Tab On Electrometer Test Screen ...

Страница 51: ...ber of minutes till full charge as determined by the battery charger minutes MinutesTillEmpty Number of minutes till the battery is empty as determined by the battery charger minutes Battery Voltage Current voltage of the battery volts BatteryCurrent Current being supplied by the battery Current being supplied by the battery to power the unit is indicated as a negative number while current going i...

Страница 52: ...indDirection Wind direction as measured by the optional metrological sensor If the sensor is not installed a value of zero will be recorded degrees RainAccumulation Rainfall as measured by the optional metrological sensor This measurement will be reset to zero after every measurement If the sensor is not installed a value of zero will be recorded mm Cm inches AirPresure Air pressure as measured by...

Страница 53: ...nfigurations is displayed 2 A dropdown menu in the upper left portion of the screen can be used to limit the number of displayed configurations This filtering is done by category The following categories can be selected Scalar Measurements Composite Measurements Events Alarm Events Serial Ports System 3 Once selected a list of configurations display on the screen Figure 24 Configurations Tab On El...

Страница 54: ...e properties are organized by either category or alphabetic order To change between these 2 displays select the appropriate item on the property grid as illustrated in Figure 26 Figure 26 Property Grid 6 To change a variable definition of a specific parameter click its name If it is a selection box a list of choices will be presented If a text field the value must be typed into the text box Config...

Страница 55: ...easurement CompositeMeasurement System SerialPort Cannot be changed manually Cannot be changed manually 5 3 3 2 Scalar Measurement Configuration Parameters Every measurement has a number of properties that govern its behavior These are described in Table 9 Table 9 Scalar Measurement Configuration Parameters Category Parameter Property Description Choices Measurement LogEnable If true measurement w...

Страница 56: ...rs True False UpdateIntervalSpan The interval between measurement updates Manually type 5 3 3 4 Event Configuration Parameters Table 11 Event Configuration Parameters Parameter Variable Property Description Choices Event LogOnChange If true the event will be logged to the database when it changes state True False Notify Determines when a notification message is sent OnChange send when the event ch...

Страница 57: ...larm level Manually type Measurement Name The name of the measurement for which the alarm event will use in determining if the alarm level has been reached Read Only TypeOfAlarm Can be GreaterThan LessThan or PercentageChange Read Only Event LogOnChange If true the event will be logged to the database when it changes state True False Notify Determines when a notification message is sent OnChange s...

Страница 58: ...Parameters This selection covers a number of properties that govern the overall system operation Table 14 RSDetection Configuration Parameter Variable Property Description Choices Control BiasVoltageOnAt Startup If true the high voltage bias nominally 400V will be applied at startup True False LoggingEnable A global enable that when false will disable all logging and if true logging will be determ...

Страница 59: ... changes to go into effect Consult your IT department for correct network settings Manually typed Format must be in dotted decimal notation using 4 numbers separated by periods SubnetMask A mask used by the router to route network messages Consult your IT department for correct network settings Manually typed Format must be in dotted decimal notation using 4 numbers separated by periods UnitName T...

Страница 60: ...al data to the display True False UpdateWithLoggi ngInterval Used when the user wants the external display to refresh at the same frequency as the logging interval True False 5 3 3 9 Weather Station Configuration Parameters An optional meteorological sensor is supported via a serial communication link with the RSDetection unit Parameters to enable the data collection are shown in Table 16 Table 16...

Страница 61: ... The name of the file will be the measurement name followed by the date and time For example a log file name for DaqTemperature may be DaqTemperature_05_15_2013_12_52_38 csv Scale Y Axis Adjust the y axis on the graph for different measurement increments by typing the minimum and maximum measurements Scale X Axis Adjust the x axis on the graph for the total time visible on the graphic by typing th...

Страница 62: ...Settings 1 To set a range of time in which to view all events click the down arrow next to the calendar to select the date in the State Date field 2 Type the time in the Start Time field 3 Click the down arrow next to the calendar to select the date in the End Date field 4 Type the time in the End Time field 5 Click Get Event All events for that time period appear on the right side of the screen 6...

Страница 63: ...tab in the Computer Settings 1 To select a measurement click the arrow in the Measurement field 2 Select the beginning date in the Start Date field 3 Type the time in the Start Time field 4 Select the ending date in the End Date field 5 Type the time in the End Time field 6 Click Get Data The historical information is displayed on the graph where the x axis shows the time the measurement was taken...

Страница 64: ...the center of the chamber 3 Average the readings for approximately two minutes 4 Subtract the background value from the check source value to obtain the increase due to the source This value should be constant if the calibration does not change This method should be reproducible to within about 1 if carefully performed 6 1 SCOPE The following calibration procedure tests the sensor in the low range...

Страница 65: ...rea Approximately 25 by 6 Should allow enough room to keep the HPIC at least 5 from the wall to reduce reflected radiation effects Tripod Adjustable height of at least 60 1 5 m Plumb line Cable Network connection or USB cable connected to host computer 1 Attach the unit to the tripod 2 Adjust the tripod height to approximately 60 1 5m from the floor to the center of the chamber 3 Hang the plumb li...

Страница 66: ... inches 4 Start from the plumb line and measure in a direct line the following increments for the value of D 12 14 16 18 5 Attach the RSDetection to the network or connect a USB cable between the PC and the units USB B connector 6 Set the radiation source at the 10 mark at a height equal to the chamber centerline Refer to Figure 32 for setup ...

Страница 67: ...1 Connect power to the sensor and turn it on 2 Remove the shield so that the source is not obstructed from the sensor Refer to Figure 32 3 Allow the signal to stabilize for approximately one minute and then start recording the data to the data collection system for a sufficient time period to obtain a stable reading 4 Move the shield into place between the source and the HPIC Refer to Figure 33 TH...

Страница 68: ...ble 18 explains how to calculate the sensor sensitivity using the Calibration Data sheet A sample Calibration Data sheet is provided in Figure 34 Table 18 Senor Sensitivity Calculation P S A Primary Scattered Ambient is the reading in amps NO shield between the source and the chamber S A Scattered Ambient is the reading in amps taken with the shield in place P Primary is the difference of the read...

Страница 69: ...ced by gamma source at a distance of one meter as indicated on the source certificate µ the linear attenuation factor for air 6 8 x 10 5cm 1 D distance in cm between the center of the source and center of the ion chamber Kd the decay coefficient calculated for the source calibration k Co60 or Cs137 The value of amps P divided by the Exposure Rate for the source to ion chamber distance being used U...

Страница 70: ...1 5 265 8 6 8E 2 12 d 100 D 2 100 12 100 1 Sensitivity of the sensor at distance D from Co60 source D EXPOSURE RATE P S A S A P k Co60 Feet cm R h amps amps amps amps R h 12 365 8 202 8e 6 6 124e 12 1 403e 12 4 722e 12 2 328e 8 K P S A S A Exposure Rate k 6 124e 12 1 403e 12 202 8e 6 R h k 2 328e 8 amps R h 2 Calculate the average sensitivity In a typical calibration the following values of k migh...

Страница 71: ... S131 200 UM Rev A Page 57 g4 Calculate the coefficient of variation of individual readings V σ k V 3 6e 11 2 333e 8 V 0 154 V 0 154 is less than 1 and indicates acceptable data 5 Correct k Co60 to k Ra226 k Ra226 0 989 k Cs137 k Ra226 0 989 x 2 333e 8 amps R h k Ra226 2 308e 8 amps R h ...

Страница 72: ...RSDetection User s Manual March 2016 S131 200 UM Rev A Page 58 g Figure 34 Sample Calibration Data Sheet ...

Страница 73: ...rkup Language XML is a text based format that allows for representation of arbitrary data structures This flexibility allows for a wide range of commands and responses between a computer and the RSDetection unit A description of these commands is beyond the scope of the user manual are located in a separate manual titled RSDetection Communication Manual ...

Страница 74: ...ails on loading firmware WHEN VIEWING THE INSTALL FILES IN WINDOWS EXPLORER THE FILE EXTENSIONS EXE MAY NOT BE VISIBLE IF HIDE EXTENSIONS FOR KNOWN FILE TYPES IS CHECKED THE RS DETECTION CONFIGURATION UTILITY INSTALLS THE PROGRAM FOR ALL USERS ON A GIVEN PC THE CUSTOMERS MUST ENSURE ONLY AUTHORIZED USERS HAVE ACESS TO THE UTILITY Figure 35 RSDetection Setup 1 Install the Software Manual CD part nu...

Страница 75: ...gure 36 License Agreement 4 Click Next and an installation folder dialog appears as shown below 5 Type the folder name to the desired installation folder or leave the folder at the default location and click on Next Figure 37 Select Program Location 6 Click Install on the next screen if all the information is correct ...

Страница 76: ...e RS Detection webpage to download the latest RS Detection Configuration Utility and RS Detection Firmware https www gemeasurement com radiation measurement environmental monitoring rsdetection environmental radiation monitor 8 2 PC NETWORK CONCERNS WHEN USING ETHERNET CONNECTION Depending on your PC and network setup there can be several reasons as to why the RS Detection Configuration Utility ma...

Страница 77: ...ns port number is 3010 8 2 2 No Measurements or Plots Update This problem occurs when the network firewall or PC firewall is blocking the messages being sent from the RS Detection Unit To see if the windows firewall is the problem the user can disable it temporarily by going to Start Control Panel System and Security Windows Firewall On the left hand panel select Turn Windows Firewall on or off Se...

Страница 78: ...he RSDetection end but not the PC end unless otherwise noted If nothing is connected to any of the connections the weatherproof covers provided with the unit must be secured on the connector Failure to do so will violate the IP rating of the device and possibly allow moisture into the unit 8 3 1 Power The RSDetection power connector is a Samtec IPL1 104 01 L S K 4 pin connector Table 19 provides t...

Страница 79: ...rt B RTS Out of unit RS 232 levels 6 Port A GND Factory use only GND Ground 7 Port A RxD Factory use only Into unit RS 232 levels 8 Port A TxD Factory use only Out of unit RS 232 levels 9 Port A CTS Factory use only Into of unit RS 232 levels 10 Port A RTS Factory use only Out unit RS 232 levels 8 3 3 USB Type B This is a standard full size Type B connector This port is intended for connection onl...

Страница 80: ... extract the zip file to a known location on your PC 4 Connect the USB end of the FTDI serial cable to your computer Make sure the power to the RS Detection is on and proper cable is connected to the FTDI adapter 5 Click on the PC Start menu Right Click on Computer or My Computer and select Properties Go to Device Manager on the left hand margin 6 From the Device Manager go down to Other devices R...

Страница 81: ... Electric Company All Rights Reserved S131 200 UM Rev A Page 67 g Figure 40 10 The end result of the Ports COM LPT tree should look like the figure below Figure 41 Support for additional devices may be requested by customers but cannot be guaranteed ...

Страница 82: ...RS S131 200 PC 07 Cord set for 12V power supply China RS S131 200 PC 08 Cord set for 12V power supply Brazil RS S131 200 PC 09 Cord set for 12V power supply South Korea RS S131 200 PC 10 Cord set for 12V power supply Taiwan RS S131 200 PC 11 Cord set for 12V power supply Switzerland External Cables IP67 on RSDetection end RS S131 200 EN Ethernet cable IP67 on RSDetection end RS S131 200 USBA USBA ...

Страница 83: ...BE USED ONLY ON EXISTING SYSTEMS WHICH INCLUDE BOTH RSDETECTION AND OLDER UNITS WHERE EXISTING CENTRAL COLLECTION SOFTWARE IS ALREADY IN PLACE USING OLDER COMMANDS 8 6 1 Legacy Command Support Table 22 though Table 31 list commands from legacy units and specify those that are supported and those that are not supported for the RSDetection firmware Commands are listed by category 8 6 2 D L and E Com...

Страница 84: ... 23 M Command Support Command Support Comments M0 Yes Transmits the entire data buffer maximum 500 points to the interrogating device An example of the first few lines is below The first line indicates the number of points followed by recording interval in seconds The remained values corresponds to the D command response Command M00 CR Response 00125 00015 0000 0000 06 80 00 00 00 00 00028 CR 0125...

Страница 85: ...DDDD CR Y Unit address PPP Configuration parameter shown in Table 25 DDDD A variable length field used when setting the parameter value The database is used in the RSDetection system to store data and the configuration parameters described in the XML command section should be the preferred method of configuration These P commands are provided for legacy command support Table 25 P Command Support P...

Страница 86: ...ts in the queue Always returns 20000 BPI Yes Seconds between logging BAL No High alarm level Returns 00000 BAH No Low alarm level Returns 00000 Temperature TPT No Number of points in the queue Always returns 20000 TPI Yes Seconds between logging TAL No High alarm level Returns 00000 TAH No Low alarm level Returns 00000 Dose Rate HPT No Number of points in the queue Always returns 20000 HPI Yes Sec...

Страница 87: ...is command is sent for the changes to go into effect Make sure COM1 is available on the unit before sending this command C1P Yes Parity for the RS 232 port Valid values are E O N User must restart the unit after this command is sent for the changes to go into effect Make sure COM1 is available on the unit before sending this command C1H Yes Handshaking for the RS 232 port Valid values are 0 No han...

Страница 88: ...COM4 C4B Yes Sets or returns the RS 232 port baud rate Valid values are 300 600 1200 2400 9600 19200 User must restart the unit after this command is sent for the changes to go into effect Make sure COM4 is available on the unit before sending this command C4P Yes Parity for the RS 232 port Valid values are E O N User must restart the unit after this command is sent for the changes to go into effe...

Страница 89: ...fied start time until the current time will be retrieved If neither start nor end times are specified all data points in the queue will be displayed A maximum of 2000 data points are returned for all queries If an end date EEEE below is specified the start date must be specified If an end date is specified however the end time may be omitted In this case the end time will be midnight of the specif...

Страница 90: ...t the time interval indicated by the first returned line of a data set If a gap is detected a new data interval and new time stamp will be generated Sample Output 00 00 08 8 seconds between points 05 29 98 14 22 33 Time stamp 0079 0068 0078 0079 0077 0084 0074 0083 0076 0070 00129 0075 0077 0074 0079 0078 0072 0076 0080 0073 0073 00118 0073 0079 0074 0070 0073 0071 0084 0083 00085 00 00 10 10 seco...

Страница 91: ... conversions These are the values that are summed together and divided by the recording interval to obtain the value that is written to the queue Data will continue to be displayed until any character is received at the COM port The order of sensors in the line is 1 Wind Speed 2 Filler always 0000 3 Barometric Pressure psia 4 Wind Direction 5 Dose Rate mR h 6 High Voltage V 7 Battery Voltage V 8 T...

Страница 92: ...er will see the current time and date values displayed Command T Y DDDD TTTT CR Y Unit address DDDD date TTTT Time Response CR 03 25 97 02 24 35 8 6 10 U Commands Uptime Table 30 U Command Support Command Support Comments U Yes Returns the number of minutes the unit has been operating Command U Y CR Y Unit address Response CR Uptime 3 Days 6 Hrs 4 Mins 8 6 11 V Commands Version Table 31 V Command ...

Страница 93: ...RSDetection User s Manual Copyright 2016 General Electric Company All Rights Reserved S131 200 UM Rev A Page 79 g This page intentionally left blank ...

Страница 94: ...STOMER SUPPORT CENTERS For Sales Service and Technical Support GE Measurement and Sensing Reuter Stokes 8499 Darrow Rd Twinsburg Ohio 44087 U S A T 888 242 3714 T 330 425 3755 www gemeasurement com Technical content subject to change without notice S131 200 UM Revision A g ...

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