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GEA RM1

Appendix

TEST circuit diagram

Wiring diagram for GEORESISTIVITYMETER BOX TESTING

FIGURE 49 - ELECTRICAL DIAGRAM FOR TESTING BOX

Performing the measurement (after connecting A, B, M, N to the respective sockets on

the Resistivity Meter and the energizer to its socket) the ratio ΔV / I must be equal to the

value of R2 then 15 Ω (± 10%)

CAUTION:

the tensions produced by the energizer are potentially lethal!

Содержание GEA RM1 1.0

Страница 1: ...PASI User Manual GEA RM1 1 0 P A S I srl via Galliari 5 E 10125 TORINO Italy Tel 39 011 650 70 33 Fax 39 011 658 646 E mail sales pasisrl it www pasisrl it...

Страница 2: ...ng a measurement session on the system 18 Create a measurement table from a PC and upload to the system 19 Transferring a measurement session from the system to the PC 19 7 Description of the systems...

Страница 3: ...t 43 8 Description of the Gea RM1 PC program 45 Creating a table 47 Creation of a table for SEV manual measurements 48 Table creation for non SEV manual measurements 50 Creation of tables for automati...

Страница 4: ...4 TEST circuit diagram 67...

Страница 5: ......

Страница 6: ...e production of any of its products or to discontinue the support of any of its products without any written announcement and urges its customers to ensure that the information at their disposal is va...

Страница 7: ...onsulted if necessary Read the instructions carefully before using the product This device has been designed and built to make electrical ground resistivity measurements possible for geophysical geolo...

Страница 8: ...the system Chapter 7 Description of the interface in standalone mode describes the operating mode of the system used in standalone mode this means without the connection to a PC illustrating in detai...

Страница 9: ...Energizer 200 V max 1 A or P100 2 N Energizer 200 V 500 mA 3 3 Sets of connection cables 4 Cables for connecting current electrodes AB or C1C2 300 m other sizes optional 5 Cables for connecting poten...

Страница 10: ...tor for connection to the PC and the internal battery charge and the EXT expansion connector that allows you to connect external accessories Attention when setting up the connections always pay the ut...

Страница 11: ...of the measurements indicated in the table Once the measurements are complete they transfer to the inversion software to obtain a stratigraphy that will then be correlated to the geology of the ground...

Страница 12: ...8 FIGURE 2 CONNECT THE INSTRUMENT TO THE PC AND RUN THE SOFTWARE CLICK ON NEW TABLE TO CREATE A NEW TABLE FIGURE 3 INSERT THE DESIRED PARAMETERS FOR THE CREATION OF A NEW TABLE...

Страница 13: ...GEA RM1 9 How to use FIGURE 4 EXAMPLE OF INTEGRAL TABLE FIGURE 5 EXAMPLE WITH SIMPLIFIED VIEW...

Страница 14: ...ments begin to be noisy standard deviation 5 the contact resistance must be decreased with the methods indicated above to allow greater current flow and simultaneously increase the MN 2 distance as th...

Страница 15: ...GEA RM1 11 How to use FIGURE 8 FIGURE 7...

Страница 16: ...12 FIGURE 9 MEASURE WITH INCREASED MN FIGURE 10 REPEAT MEASURE...

Страница 17: ...GEA RM1 13 How to use FIGURE 11 EXECUTE MODIFY REPEAT FIGURE 12 MEASURING EXAMPLE WITH SIGMA 5...

Страница 18: ...ng the simplified view which makes the comprehension arrangement and use of the metric wheel for measuring the piling points on the ground 3 Connect the longest cable with the red connectors to the re...

Страница 19: ...d to store data related to a sequence of homogeneous measurements and must be managed in a coherent way to allow a subsequent effective analysis The informations kept in this container are distinguish...

Страница 20: ...n is called Template it has the same characteristics of the session except that the measures contained in it cannot be performed The template serves as a model for the sessions and has to be duplicate...

Страница 21: ...run the Single measurement command on the main menu of the Gea RM1 system choose whether to perform a complete measurement or a measure of only spontaneous potential and follow the instructions in cha...

Страница 22: ...after having made the measurement or outside the system after the measurement View the session you just created by going to the home page of the Gea RM1 system press the Measure sessions command and s...

Страница 23: ...e the geometric positions of the electrodes Press the Save button to continue operations If the desired table is Automatic the rows of the individual measures are not displayed and the program goes di...

Страница 24: ...d displayed on the PC screen Further functionalities for the preparation of campaigns measurements and the visualization of the results obtained are offered by the Gea RM1 PC program In this chapter w...

Страница 25: ...e system will show the main menu on the display The menu items shown on the display can come before a symbol that indicates the type below are explained the meanings of the different symbols anticipat...

Страница 26: ...tem is connected via a USB to a Windows PC running the Gea RM1 PC program In case the system is not connected to the PC the C does not appear On the top right of the display there is the battery symbo...

Страница 27: ...ary to describe the difference between sessions and templates Both the sessions and the templates are containers kept in the permanent memory of the system and are used to store the information relate...

Страница 28: ...the various electrical parameters the accuracy of the measurement the instant in which the measurement is carried out see chapter 6 in Execution of a single measurement These sessions can be generated...

Страница 29: ...l measure belonging to the session whether these are measures that have been implemented or already carried out The first menu line for manual and spontaneous potential sessions shows the See measurem...

Страница 30: ...fied view if possible see paragraph Simplified display of geometric measurement data the command allows to choose for the specific session whether to display the geometry information in integral forma...

Страница 31: ...with a single measure in the session and are listed below Next measure allows the scrolling of the session lines and showing in the same way the next measure contained in the session FIGURE 18 VISUALI...

Страница 32: ...ession by displaying in the same way the previous measure contained in the session The following lines show all the parameters relating to the measure under examination Position of the electrodes or i...

Страница 33: ...not have a specific command line but is achieved by going to one of the following lines which show the geometric values of the electrodes that you want to change and after pressing the Set key proceed...

Страница 34: ...ements of an automatic session Perform the measurements of an automatic session After the request to execute an automatic measurement the operator is asked to select the sorting of the measurement lin...

Страница 35: ...will be presented on video for a few seconds Then and without the operator s intervention the next measurement will be performed and so on until all the planned measures are performed The operator can...

Страница 36: ...memory of the instrument freeing up space for the storage of further sessions Copy session creates a session identical to the original session keeping the results of the measurements already made You...

Страница 37: ...session starting from the original template with the same measurement information and positioning of the electrodes You are asked to enter the name you want to give to the copied session Rename templa...

Страница 38: ...to copy them if necessary If you want to perform individual measurements and store the result on the system it is advisable to create a Generic session and perform the measurements possibly taking no...

Страница 39: ...n Figure 16 the percentage value of Sigma calculated for the first seven completed cycles is 27 In the first two cycles of execution of a measurement the Sigma value is not shown on the display Graph...

Страница 40: ...e measured between the two measuring electrodes in Volts I A B electric current measured between the two stimulation electrodes in milliAmpere Sigma Sigma value average quadratic deviation calculated...

Страница 41: ...Potential measurement is performed as a single measure the result of which is presented to the operator on the video as shown in Figure 19 Below are listed the values done after a measure of only spon...

Страница 42: ...aneous potential is part of a measurement session the first line of the screen showing the result of the measurement will be the command Accept measurement By carrying out this command the electrical...

Страница 43: ...arry out further measurement repetitions Maximum number of cycles defines the maximum number of cycles to be performed for a measurement when this number of cycles is reached the measurement will stil...

Страница 44: ...variables are shown below Language Date setting Time setting Date format yyyy mm dd dd mm yyyy or mm dd yyyy formats can be chosen The date format affects only the display modes and not the format wit...

Страница 45: ...It only affects the view modes and not the format within the GPD file where the electrodes are stored as A B M and N Information about the system components is also viewed This information is listed b...

Страница 46: ...rectangles above and below By pressing the Up and Down button it is possible to change the selected character by pressing the Set button the next character can be selected When the last character to...

Страница 47: ...y the measurement method used for the session The Simplified view being constructed from the complete data of the table will be used by the system only in cases where the following two conditions are...

Страница 48: ...are always performed before the Sigma calculation for the first two repetitions of the series the calculated Sigma value is not shown on the screen but only from the third repetition onwards in order...

Страница 49: ...the measurement session tables on the PC loading on the Gea RM1 system so to perform the measurements Some of the functions offered by the Gea RM1 PC program are always available creation and manageme...

Страница 50: ...46 FIGURE 36 INITIAL PAGE WITH DISCONNECTED SYSTEM FIGURE 37 INITIAL PAGE WITH CONNECTED SYSTEM AND SWITCHED ON...

Страница 51: ...the sequence of geometric positions of the electrodes as a consequence of the measurement method chosen by the operator The operator can manually change the positions of the electrodes to adapt them t...

Страница 52: ...n be the following SEV Wenner SEV Schlumberger SEV Generic Dipole dipole Wenner Beta Dipolo dpolo Wenner Gamma Dipole generic dipole and Polo dipole If the type of measurement is Automatic the method...

Страница 53: ...metodo scelto In detail the SEV Wenner and SEV Schlumberger measurement methods foresee the placing of the following parameters Number of measurements per decade defines the resolution of the measure...

Страница 54: ...Defined and leaving the operator to complete the position values of the electrodes if deemed necessary Table creation for non SEV manual measurements The table of manual measurements implies that the...

Страница 55: ...the possible choices that can be applied to the table generating algorithm are three Increment a Increment b and Displacement shifting O The selectable field of Choice 1 allows to define which will b...

Страница 56: ...52 FIGURE 42 CONSTRUCTION OF A MANUAL TABLE FIRST PART FIGURE 41 CONSTRUCTION OF A MANUAL TABLE SECOND PART...

Страница 57: ...6 00 0 00 12 2 00 19 50 0 00 In the case of constructing a table having given only one choice Choice 1 as input it will be performed by scanning all the required iterations calculating the parameters...

Страница 58: ...e real table stored on GPD file is different Indice misura Valore a Valore b Posizione O 1 2 00 3 00 0 00 2 2 00 4 50 0 00 3 2 00 6 00 0 00 12 2 00 19 50 0 00 13 2 00 3 00 1 00 14 2 00 4 50 1 00 24 2...

Страница 59: ...operation of the algorithm is described in programming pseudo language as follows for any value of z between 1 and the number of interactions for Choice 3 for any value of j between 1 and the number o...

Страница 60: ...algorithm If the number of electrodes is too low it may happen that the maximum number of levels requested by the operator can not be reached in this case a value of Real number of levels will be show...

Страница 61: ...ntaneous Potential type measurement table expects the entry of the following parameters Distance between the MN electrodes defines the distance between the MN electrodes that will be maintained for al...

Страница 62: ...able relates to a measurement and shows the useful values ie the set of geometric positions of the electrodes and the measured electrical parameters if already exsisting The table management function...

Страница 63: ...tomatic table that has been totally or partially executed choosing the Save as command activates the possibility to choose the format RES2DINV as backup format in this case a further file will be save...

Страница 64: ...Esc keys on the PC keyboard Accept button of the Gea RM1 system the command can be executed using the Accept button of the GUI of the Gea RM1 PC program with the Arrow right or Enter keys on the PC k...

Страница 65: ...em Before copying the system will check the existance of a session on the Gea RM1 system with the same name and eventually report it to the operator asking if he wants to insert a different session na...

Страница 66: ...it to the operator asking him if he wants to insert a different file name or if he wants to overwrite the file already present on the system System functions The System screen is used to obtain infor...

Страница 67: ...ied table view The operator can request that the Gea RM1 PC program always displays the files in full mode or when possible display them in simplified mode The operator will however have the possibili...

Страница 68: ...erator is notified of the presence of a more recent version of the program upgrade is requested The operations to be performed are as follows Download the self installing file from the manufacturer s...

Страница 69: ...Power Unit supplies more than 1000 V Bad Polarity Power Unit wrong connection Internal Fuse blown Output Overcurrent short on A B electrodes or similar CURRENT MEASURING SECTION Technology High Resol...

Страница 70: ...Intelligence for the best setting of all measurement parameters Power Supply Internal lithium battery rechargeable via USB connector Measure results VMN IAB VMN IAB Resistivity Self Potential Induced...

Страница 71: ...9 ELECTRICAL DIAGRAM FOR TESTING BOX Performing the measurement after connecting A B M N to the respective sockets on the Resistivity Meter and the energizer to its socket the ratio V I must be equal...

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