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Troubleshooting

Page 108 of 130

Operating instructions

4point light 10W (V 4.58)

9 Troubleshooting

9.1 General error messages

General error messages which may occur while using the instrument

Error

Cause

Troubleshooting

The instrument
does not respond
any more

System crash

→

Interrupt external power supply

→

Remove batteries and insert them again

→

Restart the instrument

Warning signal
during
measurement

Loose contact of the
electrodes A and B

→

Reduce current

→

Check connections/cables to the

electrodes A and B

Measurement
values are instable

Loose contact of the
electrodes M and N

→

Check connections/cables to the

electrodes M and N

Measurement
values are not
plausible

Inductive effects

→

Keep live cable reels away from the

voltage electrodes M and N

→

Use well insulated cables, e.g. with

silicone rubber, PTFE or hard PVC

9.2 Error messages in remote mode

In the remote mode the following error messages may occur on the PC:

Error

Cause

Troubleshooting

ovld

Overload condition at the AD-
Converter

→

The instrument tries again to perform a valid

measurement after 50 msec.

open

Output (current) circuit is open
or maximum transmitter voltage
is to low

→

The instrument tries again to perform a valid

measurement after 50 msec.

External voltage is below
threshold

→

If internal batteries are installed, the power

supply of the instrument is sufficient.
Measurements can be performed.

→

If no batteries are installed, measurements

cannot be performed.

Internal and external voltage
below threshold

→

Connect an external power supply

Output current does not meet
the defined target

→

Reduce output current

A list of monitoring GPRS error numbers is supplied in the appendix

➔

10.3 Monitoring GPRS

– error numbers, page 121

Содержание 4point light

Страница 1: ...4point light 10W Earth resistivity meter Operating instructions Software Version 4 58 G M L Lippmann Geophysikalische Messger te VES Monitoring Tomography Remote Mapping...

Страница 2: ...er 4 D 94571 Schaufling Germany Phone 49 0 9904 84 076 Skype erich lippmann www l gm de lippmann l gm de Copyright Erich Lippmann Geophysical Instruments Schaufling 2014 Reprint in whole or in part on...

Страница 3: ...tions 9 2 2 Intended use 12 2 3 Unintended use 13 2 4 Disclaimer 13 3 Maintenance and disposal 14 3 1 Maintain the instrument 14 3 2 Dispose the instrument 14 4 Measurement principle and features 15 4...

Страница 4: ...nt 26 7 3 Use of keypad 26 8 Menu navigation 28 8 1 Main menu 28 8 2 VES mode 29 8 2 1 Measurement Schlumberger mode 30 8 2 2 Measurement parameters for additional geometries 34 8 2 3 Automatic mode 3...

Страница 5: ...w 75 8 6 5 Run RunGPRS 77 8 6 6 Continue ContinueGPRS 80 8 6 7 Output 81 8 6 8 GPRS 82 8 7 Contact 84 8 8 SP 85 8 9 Delete 86 8 10 Settings 87 8 10 1 Device 88 8 10 2 Communication 91 8 10 3 Service 9...

Страница 6: ...Phase definition 109 10 1 3 Voltage correction 109 10 1 4 Error definition 110 10 2 Data formats 111 10 2 1 VES 111 10 2 2 Mapping 111 10 2 3 Multimapping 112 10 2 4 Tomography 114 10 2 5 Monitoring...

Страница 7: ...on about general terms and conditions and the warranty period of the instrument 1 3 Notes of presentation 1 3 1 Notation and Symbols Notation Symbol Function xyz Keys of the instrument xyz Shown on th...

Страница 8: ...th RET Instructions which have not to be done in a particular order are tagged with 1 3 4 Warnings Warnings which refer to risks of personal injury or material damage looks like this WARNING Warning w...

Страница 9: ...safe instrument operation it is essential to observe the following safety instructions WARNING Voltage at the electrodes Electrodes are under power during the measurement Touching the electrodes duri...

Страница 10: ...humidity levels below 85 function and operational safety of the instrument may be impaired In case of operating the instrument under extreme climatic conditions please contact the manufacturer CAUTIO...

Страница 11: ...Trying to reload alkaline cells may lead to overheating and to the destruction of the instrument Alkaline cells may explode When alkaline cells are inserted never connect an external power supply to t...

Страница 12: ...10 Hz result in strong mains interferences Mains interferences disturb the measurement Never use 10 Hz in Europe or in any other countries with 50 Hz mains frequency 2 2 Intended use The earth resist...

Страница 13: ...may destroy the instrument The Instrument is not intended for measurements in potentially explosive environments e g mines and near potentially explosive gas mixtures 2 4 Disclaimer The manufacturer w...

Страница 14: ...58 F or below 20 C 4 F Recharge internal batteries periodically at the latest when the battery voltage falls below 4 8 volts 7 1 Switch on the instrument page 25 Calibrate the instrument every two yea...

Страница 15: ...stivity meter 4point light 10W is transmitter and receiver at the same time The electrodes are connected to the instrument by cables During the measurements the position of the current electrodes A an...

Страница 16: ...only be possible if the resistance in the AB circuit is below 190 V 0 015 mA or 12 k If the set current cannot be kept stable no measurement is possible and the instrument will send a warning signal...

Страница 17: ...Europe or in any other countries with 50 Hz mains frequency The receiver of the instrument is highly selective and only records voltages at the set frequency However noise at the measurement frequenc...

Страница 18: ...etween the output current at AB and the voltage at the MN terminals This phase shift is displayed as voltage U90 It is called the out of phase voltage and usually is about 2 3 orders of magnitude belo...

Страница 19: ...ial interface RS232 3 Keypad 4 0 V connector 5 12 V connector 6 A Connector for electrode A 7 B Connector for electrode B 8 GND Connector for GND ground 9 M Connector for electrode M 10 N Connector fo...

Страница 20: ...ls The instrument is powered in two different ways by internal rechargeable NiMh batteries or alkaline cells by external power supply By default the instrument is equipped with rechargeable NiMh batte...

Страница 21: ...1 Connect the instrument via the 0 V 12 V terminals to an external 12 V voltage source The instrument automatically switches on The internal batteries are loaded and the battery voltage is displayed...

Страница 22: ...h is necessary to establish the preset constant output current at the AB electrodes This voltage indicates the quality of the coupling of the current electrodes SelfPotential SP SP is used for the det...

Страница 23: ...page 64 or 8 6 1 Load page 72 4 Start data transfer normally parameter sets in the terminal program If using a terminal program you have to select the ASCII format for transmission If using Com4point...

Страница 24: ...rs on the server 6 7 Avoiding mistakes Error Avoiding Inductive effects Keep live cable reels away from the voltage electrodes M and N Use well insulated cables e g silicon rubber or PTFE Hard PVC is...

Страница 25: ...ET The display shows the boot sequence and the command Please press key 7 2 Press 7 The display shows the main menu The battery voltage is 5 52 V The instrument is ready for operation VES MAP RMT TOM...

Страница 26: ...Key assignment Reaction Multiple function back up down yes RET Confirm selection ESC Cancel Point 0 9 Numerical Keys yes Tab 7 1 Key assignment Key assignment Multiple function Select output current 7...

Страница 27: ...llows More than 20 characters are possible 8 10 2 Communication page 91 You intend to write an A Key 2 is assigned to the following characters a b c A B C 2 Press key 2 four times in short intervals Y...

Страница 28: ...ws the current battery voltage VES MAP RMT TOM MON CONTACT SP DELETE SETTINGS MISC INFO Battery 5 52V Fig 8 1 Main menu Menu item Function VES Vertical Electrical Sounding mode MAP Mapping mode RMT Re...

Страница 29: ...lumberger measurements They also can be applied to all selectable geometries Differences of parameter settings in Wenner mode Dipole Dipole mode and Pole Pole mode are pointed out in a separate chapte...

Страница 30: ...n 14 35 Time of file creation Tab 8 2 Schlumberger mode menu items 3 Select file number with and 4 Switch automatic mode on or off with 5 Confirm selection with RET If Auto ON was selected you will fi...

Страница 31: ...error in mrad Tab 8 3 Schlumberger measurement results Key assignment Reaction Previous or next record is shown Current record is deleted and overwritten with next measurement RET Create new record ES...

Страница 32: ...Tab 8 7 Tab 8 5 Editable measurement parameters for Schlumberger and Half Schlumberger mode Key assignment Reaction Navigation UP DOWN Delete character RET Continue ESC Cancel 0 9 Input of numerical v...

Страница 33: ...g 8 7 Measurement in Schlumbeger mode Menu item Function Schlumb AUTO Measurement mode MANual or AUTO Rec 5 Number of record I 1 mA Output current mA Avg 51 Number of averages U0 123 10 mV Averaged in...

Страница 34: ...fering key assignment please refer to Tab 8 7 and Tab 8 8 AutoA Off Set AutoA for differing key assignment please refer to Tab 8 7 and Tab 8 8 Tab 8 10 Editable measurement parameters for Wenner and P...

Страница 35: ...mode the instrument will perform subsequent measurements at different frequencies The proposed number of points per decade P DEK and the frequencies are selected under Settings Acquisition 8 10 4 Acq...

Страница 36: ...rages by using the numerical keys 6 Continue with or 7 Confirm selection with RET You now automatically skip to the data browser and from there to the editable measurement parameters 8 2 1 Measurement...

Страница 37: ...ill see VES OUTPUT SCHLUMB HALF SCHLUMB WENNER DIPOL DIPOL POLE POLE Fig 8 12 Data transfer of a single file 1 Select data transfer mode with and 2 Confirm with RET SCHLUMBERGER File No 0 0 99 Rec 3 1...

Страница 38: ...ch the electrodes while the instrument is working Make sure that the instrument is not working before touching or relocating the electrodes In the field a grid has to be set up Along the grid the oper...

Страница 39: ...s possible 8 3 2 Multimapping page 49 In mapping mode it is possible to use an external trigger switch connected to the terminals of the external voltage input A short between these terminals has the...

Страница 40: ...ation in standard mapping Select file Define new grid Show grid parameters Standard mapping File exists Select auto mode Input mapping geometry Auto mode on Input auto parameters Data browser Measurem...

Страница 41: ...ET MAPPING Standard Multimapping Fig 8 16 Mapping mode 3 Activate mapping mode with RET STANDARD MAPPING Run Output Fig 8 17 Standard mapping 4 Select Run with and 5 Confirm selection with RET 8 3 1 1...

Страница 42: ...e selected file number already exists grid parameters are shown Grid size file 0 X 6 4m 8 0 8 Y 2 5m 5 0 5 Fig 8 19 Display of grid parameters of an existing file Key assignment Reaction RET Use grid...

Страница 43: ...te character 0 9 Numeric input of Xmax and Ymax RET Continue ESC Cancel Tab 8 21 Navigation through the New Grid menu Once the frequency is selected it is fixed for this file and cannot be changed aft...

Страница 44: ...using the numerical keys RET Continue ESC Cancel Tab 8 23 Navigation through the New dX dY L menu 4 Select dX dY with and use numerical keys 5 Select L with and use numerical keys 6 Confirm selection...

Страница 45: ...tings menu 1 Select Min Voltage Error or MaxAv with and 2 Change values by using the numerical keys 3 Confirm input with RET You are now in the data browser If in the standard mapping menu Auto mode O...

Страница 46: ...Out of phase voltage 13 5 Error Tab 8 26 Data browser menu items Key assignment Reaction 3 9 Set number of averages 2 8 Navigate in Y direction 4 6 Navigate in X direction Set output current 5 Change...

Страница 47: ...ext grid point and to place the electrodes The measurement then starts automatically 8 3 3 Automatic mode page 56 At the end of the measurement you will see End of grid reached Please press key Fig 8...

Страница 48: ...12 2013 09 26 26 Fig 8 27 Transfer of a single file Menu item Function File No 0 File number Rec 3 Number of measured records datasets 17 12 2013 Date of creation of this file 09 26 26 Time of creatio...

Страница 49: ...ing connections to the instruments are to be made Connect a string of active electrodes up to 10 numbered from 1 to 10 to the instrument If necessary connect remote electrodes e g for pole pole pole d...

Страница 50: ...with RET 8 3 2 1 Run Define parameter file before starting the measurement During the measurement the program uses a parameter file which has to be defined in advance 8 3 2 2 Edit page 54 Multimappin...

Страница 51: ...les Fig 8 33 Definition of a new grid Menu item Function New Grid New grid 4 16Hz Measurement frequency Xmax 0 Number of grid points in X direction 1 255 Ymax 0 Number of grid points in Y direction 1...

Страница 52: ...define the distance of grid points L the distance of the mobile electrodes On has dX dY L 0 New dX dY L dX m 0 5 dY m 0 5 L m 0 1 Fig 8 35 Definition of mapping geometry Menu item Function New dX dY L...

Страница 53: ...ent is ready to start you will see rdy X0 00 Y0 00 0 1uA 1234 A3 f4 2 A U0 23 55mV 0 2 U90 10 22uV 12 0 Fig 8 36 Multimapping data browser Menu item Function rdy The instrument is ready for measuremen...

Страница 54: ...ion through the multimapping data browser If navigating through the records with the keys 2 8 or 4 6 the instrument will only display the measured values of the first electrode sequence 8 3 2 2 Edit M...

Страница 55: ...menu with ESC 5 Start measurement under Multimapping Run 8 3 2 3 Delete Under Delete the contents of individual parameter sets can be deleted The electrodes A B M N are set to 0 default setting 8 3 2...

Страница 56: ...with RET Data transfer starts After the selection of All Files all measured files are immediately transmitted to the PC 8 3 3 Automatic mode In auto mode ON the sequence of actions taken by the instr...

Страница 57: ...d again placing the electrodes 9 The instrument waits 100 msec debouncing 10 One step increment of current 11 Measurement is performed The instrument checks if the input voltage is high enough and if...

Страница 58: ...ig 8 42 Remote mode 3 Activate remote mode with RET IDL 1 04Hz 5mA OFF A012 B013 M014 N015 U0 123 45mV on U90 1 23mV ASCII Fig 8 43 Display during measurement in remote mode Menu item Function IDL AQU...

Страница 59: ...Selection of frequency depends on the settings of the instrument defined under the menu item Acquisition Country 8 10 4 Acquisition page 94 Instruction Code ASCII character Select frequency 1 0 26 0 3...

Страница 60: ...ke this into account during the evaluation 8 4 2 Sending commands to the electrodes Instruction length for electrode instructions is 2 bytes The second byte is the number of the target electrode The a...

Страница 61: ...the instrument tries to acquire a valid measurement after about 50 msec again If the current is increased command m t the instrument checks whether the power supply is above a defined threshold and w...

Страница 62: ...ter switching on the transmitter the instrument checks whether the power supply is above the threshold or not If not an error message will be sent Fig 8 45 Reaction on switching on the transmitter Err...

Страница 63: ...ES MAP RMT TOM MON CONTACT SP DELETE SETTINGS MISC INFO Battery 5 52V Fig 8 46 Main menu 1 Select TOM from the main menu with and 2 Confirm selection with RET TOMOGRAPHY Load Show Delete Run Continue...

Страница 64: ...ation page 91 1 Select Load from the tomography menu with and 2 Confirm selection with RET Receive Parameter Parameter set 2 Empty Fig 8 48 Load parameter set 3 Select parameter set number status Empt...

Страница 65: ...parameter set Parameter set 0 080424Test Fig 8 51 Parameter set page 1 3 Select number of parameter set with and 4 Confirm input with RET Page 2 appears 080424Test DIPOL DIPOL F 8 33 V 50 00 A 5 Er 3...

Страница 66: ...8 48 Parameters page 3 7 Browse through electrode combinations with and 8 Back to the tomography menu with RET or ESC 8 5 3 Delete Under the menu item Delete all saved parameter sets can be deleted W...

Страница 67: ...nfirm input with RET Electrode parameter Distance m 2 000 Position m 0 000 First 1 Last 89 Fig 8 56 Edit electrode parameters Parameters Function Distance m Set distance between electrodes m Position...

Страница 68: ...Confirm input with RET Run tomography File 3 Empty Fig 8 58 Select empty file 11 Select under File an empty file with and Status must be Empty 12 Start measurement with RET f0 26 100u 56 1695 A1 B2 M4...

Страница 69: ...0 1 A high IP resolution however may cause longer measurement times If time is critical increase the error threshold to approximately 1 and work with measurement frequencies 4 Hz Empty Tomography meas...

Страница 70: ...omography Please wait Fig 8 63 Data transfer is running Data transfer can be cancelled at any time by clicking ESC After data transfer the program automatically switches back to the tomography menu Da...

Страница 71: ...n menu 1 Select MON from the main menu with and 2 Confirm selection with RET MONITORING Load Edit Delete New Run Continue Output RunGPRS ContinueGPRS Fig 8 66 Monitoring menu Menu item Function Load L...

Страница 72: ...ets can be transmitted via the serial interface from the PC to the instrument Use GEOTEST or another terminal program for this purpose Warning of data loss Make sure that the COM settings of both the...

Страница 73: ...the status of the selected number must be Empty If the number is already in use the status line shows a date and a time instead of Empty The data cannot be overwritten Another number has to be select...

Страница 74: ...th and 4 Set electrode numbers by using numerical keys 5 Confirm input with RET If in one line each index is 0 default setting end of parameter set is reached 8 6 3 Delete Under the menu item Delete a...

Страница 75: ...until you see Empty on the screen If the parameter set is empty the parameters can be edited New parameter set Parameter set 0 Empty Abb 8 72 Create new parameter set 1 Select a number for the new pa...

Страница 76: ...74 Set electrode distance 5 Input electrode distance by using the numerical keys 6 Confirm input with RET Set 0 Line 1 4 A4 B0 M3 N0 A4 B0 M2 N0 A4 B0 M1 N0 Fig 8 75 Select electrode combination Menu...

Страница 77: ...t Radio Service GPRS to a FTP server after each measurement block Data transfer is integrated in the measurement no interaction of the user with the instrument is necessary Select a parameter set the...

Страница 78: ...8 78 Edit start time of measurement 5 Set date time for the start of the measurement by using the numerical keys Format of date dd mm yyyy format of time hh mm ss If start time has already passed moni...

Страница 79: ...then the measured data can be buffered long enough e g in case of data transfer problems 8 6 8 GPRS page 82 9 Select an empty file with and 10 Confirm selection with RET Monitoring 75 at 14 10 2008 17...

Страница 80: ...el data acquisition with ESC 8 6 6 Continue ContinueGPRS If data acquisition was cancelled you can go on with the measurement by selecting Continue or ContinueGPRS in the monitoring menu A new record...

Страница 81: ...ext measurement 8 6 7 Output Under the menu item Output the acquired data are transmitted to the PC via the serial interface If data acquisition was performed in GPRS mode the memory is used as ring m...

Страница 82: ...n problems to the FTP server the measurement data can then be buffered for an adequate time without loss of data Warning of data loss If automatic data transfer is not possible data are stored in an i...

Страница 83: ...itoring modes use the internal memory in different ways In standard monitoring mode without GPRS data acquisition automatically ends as soon as the internal memory is full No data will be overwritten...

Страница 84: ...y result in an electric shock Do not touch energized electrodes A and B Make sure that the instrument is not working before touching or relocating the electrodes VES MAP RMT TOM MON CONTACT SP DELETE...

Страница 85: ...tput voltage is displayed continuously Cancel with ESC 8 8 SP Self potential measurement will determine the DC voltage between M and N This is useful in case of non polarizable electrodes at M and N V...

Страница 86: ...he instrument will be deleted irreversibly You cannot undo this operation Transfer important data to the PC before using delete VES MAP RMT TOM MON CONTACT SP DELETE SETTINGS MISC INFO Battery 5 52V F...

Страница 87: ...Main menu 1 Select SETTINGS from the main menu by clicking or 2 Confirm selection with RET SETTINGS Device Communication Service Acquisition Calibration Save Abb 8 94 Settings menu Menu item Function...

Страница 88: ...is point DEVICE SETTINGS Clock Battery LCD Startup Tom wait Fig 8 95 Device menu Menu item Function Clock Set current date and time Battery Set charging parameters of the batteries LCD Adjust the cont...

Страница 89: ...pped Battery parameter DeltaU 10 0 5 50mV Quick charge Enable Fig 8 97 Batteries loading parameters Menu item Function DeltaU Set DeltaU Quick charge Enable Activate deactivate quick charge mode Tab 8...

Страница 90: ...one monitoring applications Advantageous especially when no immediate access to the instrument is possible Tab 8 70 Startup menu items 1 Select startup mode with 2 Save changes and quit menu with RET...

Страница 91: ...et parameters for data transfer via GPRS FTP Enter access data for the FTP server Provider Enter provider ID Tab 8 71 Communication menu items 1 Select menu item by clicking or 2 Confirm selection wit...

Страница 92: ...Separators are TAB or Space Under the menu item GPRS the parameters for data transfer via GPRS are set GPRS SETTINGS PIN Context Abb 8 103 GPRS menu Menu item Function PIN Enter PIN of SIM card Contex...

Страница 93: ...irm input with RET 5 Select transfer mode with 6 Confirm selection with RET The folder must already exist on the server The instrument cannot create this folder The mode of data transfer depends on yo...

Страница 94: ...vider ID 0 In this case the instrument automatically chooses the strongest available access point 8 10 3 Service Under the menu item Service the factory settings can be adjusted A code number is requi...

Страница 95: ...ITION SETTINGS Acquisition Country Fig 8 106 Acquisition menu Menu item Function Acquisition Set parameters for data acquisition Country Select country specific frequencies Tab 8 77 Acquisition menu i...

Страница 96: ...y the region is selected where the instrument is operating This selection is essentially a preselection of the frequencies which are available in remote mode The frequencies will be used in AutoF mode...

Страница 97: ...b 8 81 Save menu items 1 Select menu item by clicking or 2 Confirm selection with RET The transfer of the calibration values and the settings is very fast The transfer of a dump can last several minut...

Страница 98: ...twork base station The signal strength will be updated every five seconds Test GPRS Connection to the GSM net will be established and the GPRS mode will be activated If no modem is connected or the co...

Страница 99: ...is not valid In this case no data transfer is possible anymore If measurements nearby a national border are to be performed essentially select a provider Before selecting a particular provider it s st...

Страница 100: ...11 2 Calibration The most important factors affecting the accuracy of the instrument are the offset voltage and the internal phase shift between current and voltage For the accurate determination of t...

Страница 101: ...e any calibration make sure that all external cables are disconnected Additional resistors are not necessary The instrument has an11 Ohms build in reference resistor that will automatically be switche...

Страница 102: ...calibration with RET Offset calibration starts OFFSET 4 16 Hz I 0 mA Avg 51 U0 123 1uV 0 04 U90 5 23 uV 0 02 Fig 8 118 Display of offset voltages during calibration Menu item Function 4 16 Hz Frequenc...

Страница 103: ...he internal analog to digital converter Input voltages are amplified by a factor of 5 to 10 before reaching the ADC 8 11 2 2 Full Calibration Full calibration determines the complex frequency response...

Страница 104: ...Delete characters with 2 Change values by using the numerical keys 3 Continue with RET FULL CALIBRATION Frequency 1 25 Hz Averages 16 8 128 Fig 8 121 Select frequency and averages Key assignment React...

Страница 105: ...1 V Averaged offset value U0 5 6 Typical error in U90 5 23 V Averaged offset value U90 32 Typical error in Tab 8 92 Offset calibration menu Key assignment Reaction ESC Cancel RET End display and save...

Страница 106: ...pical error in U90 5 23 V Averaged voltage U90 0 2 Typical error in Tab 8 94 Gain calibration menu items Key assignment Reaction ESC Cancel RET Continue save values Tab 8 95 Navigation during gain cal...

Страница 107: ...point light 10W V 4 58 Page 107 of 130 G M L 8 11 2 3 Reset Calibration RESET CALIBRATION RET Okay ESC Abort Fig 8 126 Reset calibration 1 Reset Calibration confirm with RET Calibration values are res...

Страница 108: ...N Use well insulated cables e g with silicone rubber PTFE or hard PVC 9 2 Error messages in remote mode In the remote mode the following error messages may occur on the PC Error Cause Troubleshooting...

Страница 109: ...pole Dipole L A L dipole distance A distance of electrodes I U A n n n A L n 2 1 Pole Pole A I U A 2 Tab 10 1 geometry factors and calculation methods 10 1 2 Phase definition 1000 0 90 U U Phase in mr...

Страница 110: ...ing equations 2 2 0 0 90 90 90 90 0 0 90 90 0 0 B A B U U A U U i B U U A U U iB A U U i U U U Off Off Off Off Off Off Korr U0 U90 voltage at ADC The following voltages will be displayed and saved 2 2...

Страница 111: ...5 0000 frequency Hz Tab 10 3 VES record examples and comment 10 2 2 Mapping Data Comment MAPPING V 4 00 20 10 2007 4 03 11 2007 21 25 09 1 00000 0 50000 50000 5 3 2 08 0 2 81 44917 0 00291 1 0000 0 0...

Страница 112: ...0 I mA 0 000 error U0 1 700 error U90 Tab 10 6 Mapping record examples and comment 10 2 3 Multimapping Dat Comment MULTIMAPPING V 4 00 20 10 2007 4 03 11 2007 21 25 09 1 00000 0 50000 50000 5 3 2 08 1...

Страница 113: ...of grid points Ymax 8 33 frequency Hz Tab 10 8 Geometry data examples and comment Mapping record Comment 0 Index X 0 Index Y 1 0000 I mA 18 03707 U0 mV 0 00083 U90 mV 0 0 error U0 39 0 error U90 18 0...

Страница 114: ...of first electrode m first and last electrode used ActEle addresses used electrode configurations electrode configurations electrode configurations electrode configurations end Tab 10 10 Tomography p...

Страница 115: ...Software version date file number comment date time of file creation Frequency Hz min voltage mV max number of averages 0 99 error limit type of measurement electrode separation m profile position of...

Страница 116: ...st electrode m first and last electrode used ActEle addresses used electrode configurations A B M N electrode configurations electrode configurations electrode configurations end MTab 10 14 Monitoring...

Страница 117: ...Appendix Operating instructions 4point light 10W V 4 58 Page 117 of 130 G M L Results file...

Страница 118: ...Appendix Page 118 of 130 Operating instructions 4point light 10W V 4 58 Data Comment...

Страница 119: ...0 0 35 0 47 14318 0 00485 1 000 0 0 16 0 47 15565 0 00413 1 000 0 0 78 0 47 14148 0 01154 1 000 0 0 6 0 47 13541 0 00034 1 000 0 0 137 0 47 14694 0 00804 1 000 0 0 43 0 47 17075 0 00426 1 000 0 0 117...

Страница 120: ...73 0 00491 1 000 0 0 46 0 47 15752 0 00194 1 000 0 0 161 0 E monitoring data measurement 3 end of data block 3 end Tab 10 16 Monitoring results file with parameters and measured data Dat Comment 47 15...

Страница 121: ...busy 15 SIM wrong 16 incorrect password 17 SIM PIN2 required 18 SIM PUK2 required 20 memory full 21 invalid index 22 not found 23 memory failure 24 text string too long 25 invalid characters in text...

Страница 122: ...13 GPRS related errors to a failure to activate a context and others 132 service option not supported 32 133 requested service option not subscribed 33 134 service option temporarily out of order 34 1...

Страница 123: ...ady connected 609 context down 610 no photo available 611 cannot send photo 612 resource used by other instance Network survey errors 657 network survey error No Carrier 658 network survey error Busy...

Страница 124: ...to the PC using the serial interface cable 3 start the program CVMegaload 4 select active COM Port 5 set baud rate to 19200 6 select the new program file which is to be downloaded to the instrument 7...

Страница 125: ...e program HTerm on your PC Fig 10 3 HTerm adjust settings Parameters Input Port select the correct COM Port from the pull down menu Baud select the baud rate from the pull down menu Data number of dat...

Страница 126: ...fer under Settings Save Dump The process may take up to 10 minutes The instrument displays the status of the transfer 4 After download switch to the terminal program Fig 10 4 Download is finished 5 Cl...

Страница 127: ...ency 0 26 Hz 30 Hz Output voltage max 380 V p p Constant output current 100 nA 50 mA 8 steps Stability 0 5 Short circuit proof exists Receiver Input impedance 20 M Max input voltage 500 mV Max noise v...

Страница 128: ...Power supply External power supply 9 15 V 1 A Internal power supply 4 internal rechargeable high capacity NiMH AA batteries 2 8 Ah 1 2 V Working environment Range of temperature 0 C 50 C 32 F 122 F H...

Страница 129: ...113 electrodes 17 current electrodes 21 potential electrodes 21 error 112 error definition 114 error messages 112 error protocol 102 F file 31 frequencies 98 frequencies 18 frequencies 100 FTP 25 97 1...

Страница 130: ...7 103 RS232 serial interface RTM refer to remote S safety instructions 9 Schlumberger 17 31 self potential 89 serial interface 25 SP refer to self potential startup mode 92 T terminal program 127 test...

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