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RMO100A

MICROOHMMETER

Manual

IBEKO

P

ower

AB

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Summary of Contents for RMO100A

Page 1: ...RMO100A MICROOHMMETER Manual IBEKO Power AB ...

Page 2: ...l represents the technical status at the time of printing The product information specifications and all technical data contained within this Manual are not contractually binding IBEKO Power AB reserves the right to make changes at any time to the technology and or configuration without announcement IBEKO Power AB is not to be held liable for statements and declarations given in this Manual The us...

Page 3: ...nintended usage The user alone assumes all responsibility and risk The instructions provided in this Manual are considered part of the rules governing proper usage Do not open RMO100A All service and maintenance work must be performed by qualified personnel Orderly Practices and Procedures The Manual should always be available on the site where the RMO100A is used Before using RMO100A all personne...

Page 4: ...and testing of power circuit breakers interrupters bar installation cable splices welded joints grounding Any other use of the RMO100A than the ones mentioned above is to be considered improper and will not only invalidate all customer warranty claims but also exempt the manufacturer from its liability for repair or exchange 4 Functionality 4 1 Single Test The RMO100A generates a filtered true DC ...

Page 5: ...e results could be stored to PC Using RMOWin R3A after testings enables result transfer from the internal RMO100A memory to PC Note 3 At the start of the test Single and Continuous a check of cables connection is done In case of disconnection or erroneous polarity an alarm is activated and the error message is shown on the display Voltage sense cables disconnection occured during the test will cau...

Page 6: ...ceeded or equaled STOP button to stop a test to acknowledge the alarm buzzer and return to the current menu SET button to scroll between the menus START button to start the test current Ω button to save the current resistance value in Contin menu Connector for mains power supply Power switch I In this position RMO100A is connected to the mains power supply 0 In this position RMO100A is separated f...

Page 7: ...tting RMO100A s Date and Time To set RMO100A s date and time use the RIGHT button and then ENTER button to select the Set date and time menu Move the cursor to the position of your choice using the RIGHT button and change the value with the UP DOWN buttons Pressing ENTER to confirm returns you to the Settings menu Pressing STOP to cancel returns you to the Settings menu Setting Rmax To set RMO100A...

Page 8: ...n RIGHT move cursor to the position of assigned value of resistance and using UP DOWN buttons select desired value between 1 µΩ and 9999 µΩ First initial value is 1000 µΩ figure 5 4 When device is turned off and then turned on RMO100A remembers last saved setting of Rmax value and status Once these parameters are defined press ENTER to change to the Settings menu ...

Page 9: ...bject Connect the mains lead to a mains outlet 100 V 240 V AC and turn on RMO100A with the power switch on the test set The first shown on the display is the name of the product followed by the instrument model type and the internal firmware version 6 2 Setting the Measurement Parameters Single Test Turn on RMO100A with the power switch on the test set The display shows the Single menu and the gre...

Page 10: ...Contin menu define a test current memory location and test current duration time Using RIGHT button move cursor to the position of test current and using UP DOWN buttons select desired value Maximum duration of the current depends on its value please refer tu section Duty Cycles Using RIGHT button move cursor to the position of test current duration here 60 sec and using UP DOWN buttons select des...

Page 11: ...ximum value RMO100A measures the current through the test object and the voltage at the test object for 1s calculates the resistance from these values and saves the data at the present memory position Afterwards RMO100A ramps down the output current from the max value to 0 A When 0 A is reached the test is finished and the green LED lights up Note To stop the test prematurely press the STOP button...

Page 12: ...ess the STOP button at any time during the test The current will immediately drop to 0 A 6 4 Measurement parameters Accuracy given in the table is valid if the maximum possible current is used Range Recommended Test Current Nominal Resistance Full Range Display Resolution Typical accuracy 1 100 A 1 mΩ 999 9 µΩ 0 1 µΩ 0 25 rdg 0 25 FS 2 100 A 10 mΩ 9999 µΩ 1 µΩ 0 25 rdg 0 25 FS 3 50 A 100 A 50 mΩ 5...

Page 13: ...ins the same as in the previous test the memory position increases by one If the Rmax menu is set to option On once a Single test is finished RMO100A automatically changes to the Rmax to display the test results in case the measured resistance is equal or greater than maximum assigned value Figure 6 10 The Result menu showing the test results obtain in Single test Max test current reached Voltage ...

Page 14: ...000 499 Selecting a memory position on the Memory menu displays the memory position of these results the test object s measured resistance the time of test for continuous test the current fed into the test object the voltage drop on the test object the date and time of this particular test 6 7 Deleting Results of Previous Tests In the Memory menu press ENTER Press ENTER once more to delete all sav...

Page 15: ...me sec Cooling time sec 5 100 300 0 A built in control prevents these cooling times from being skipped If you try to start a test within the cooling period the display shows Wait and a timer counting down After the cooling period has elapsed start the test using the set test parameters by pressing the START button Cooling of RMO100A is supported by a built in fan that is automatically activated ev...

Page 16: ...in R3A The transferred data from RMO is possible to Display in the form of tables Download as an Excel file Every test reading parameters contain The date and the time of the test The real test current The voltage on the voltage terminals Voltage Sense The measured resistance value The memory location The name of the object tested device and the useful comments 7 1 The minimum system requirements ...

Page 17: ... same effect as pressing the keys on the RMO100A In case that the green led diode is not lit in the Communication window i e the red led diode is lit it is necessary to check the following Is the green led diode on the RMO100A lit Is the RMO100A signaling any error Is the USB cable connected tightly It is strongly recommended to write the information in the columns Object Code and Comments for bet...

Page 18: ...ossible to choose according to a selected criterion All File Open Opening the file Save As Saving the table in the working directory Print Printing the table Exit Exiting the program All the test results are being transferred from the internal RMO memory to the PC Memory from up to It opens a new window that allows a choice of memory locations to be transferred to the PC The results that are locat...

Page 19: ...lts received during the time period between the chosen dates including the chosen dates are going to be transferred to the PC Current from to Selecting this option opens a new window providing a selection of the currents that were used during the test The choice of the current is made on the drop down menu The range of the values that are between and including the selected values of the current ar...

Page 20: ...upt a transfer After pressing this key all the choices are being erased and a user will return back to the main menu Save Saving the table as an Excel file Initially it will be suggested to save in the working directory Security features of Windows Vista may prevent saving data to default RMOWin R3A working directory under Program Files directory This is the case if the User Account Control UAC is...

Page 21: ...th all Excel functions Options Output format Defines the file format of the saved table Data format Defines the date format that is going to be shown in the table with the results of the test Interval This function is active only when RMO is in Contin menu by selecting Contin and pressing ENTER Its purpose is selection of time interval for reading results from RMO to PC Each time at the expiration...

Page 22: ...d be saved for the first time in current RMOWin R3A session the question is displayed for setting the measurement units If user does not want to set new units then the default ones will be used for saving and printing measurement results If the answer is Yes then the following window is displayed where user can choose measurement units Changing the measurement units is also possible later ...

Page 23: ...rror Message Polarity This message is displayed if the polarity of measuring cables is incorrect In this case connect measuring cables correct and repeat the test Figure 9 1 Disconnection of a Voltage Sense cable and error message If one of the Voltage Sense cables to the test object is disconnected on either the test set or the test object side at the start of the test the error message Connectio...

Page 24: ...s case wait for the test set to cool down and repeat the test 8 6 Error Message Malfunction If this message is shown on the display or if RMO100A cannot be operated anymore at all a serious internal error occurred Please do not open RMO100A by yourself Contact the IBEKO Power AB refer to section Manufacturer Contact Information 8 7 Error Message Mains Voltage 90V This message is displayed when RMO...

Page 25: ...ve humidity at 55 C Mains supply voltage fluctuations up to 10 of the nominal voltage Installation overvoltage category II Pollution degree 2 9 4 Mechanical protection IP43 9 5 Dimensions and Weight Dimensions 198 x 255 x 380 mm W x H x D without handle 7 8 x 10 x 15 in Weight 7 kg 15 4 lbs 9 6 Safety Standards European standards EN 61010 1 LVD 73 23 EEC International standards IEC 61010 1 UL 3111...

Page 26: ...Ω 600 A 60 mV Current cables 2 x 10 m 16 mm with battery clips Current cables 2 x 15 m 25 mm with battery clips Current extension cable 2 x 10 m 25 mm Sense cables extension 2 x 10 m 2 5 mm Sense cables 2 x 10 m 2 5 mm 2 with alligator clips Sense cables 2 x 15 m 2 5 mm 2 with alligator clips Built in thermal printer paper 80 mm Manufacturer Contact Information IBEKO Power AB Box 1346 181 25 Lidin...

Page 27: ...27 RMO100A Error Messages ...

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