Amprobe AMB-55 5000V Insulation Resistance Tester
Contents
1. FilO Fil1 Fil2 Fil3 Filter type enabled see filter option section 5000V Set test voltage step 25 V U 5295 Actual test voltage measured value 1255 6nA Actual test current measured value 10 5GN Insulation Resistance result C 2 1nf Capacitance of measured object Tr 00min 15s Set timer value Bar Analogue representation of Riso result R15sec 10 6GN Resistance value measured after set time 1 RO1min 10 5GN Resistance value measured after set time 2 R10min 10 5GN Resistance value measured after set time 3 DAR 1 67 DAR as ratio of R1min R15s Pl 1 21 Pl as ratio of 10min 1min DD DD result Notes e A high voltage warning symbol appears on the display during the measurement to warn the operator of a potentially dangerous test voltage e The value of the capacitance is measured during the final discharge of the test object e If enabled the instrument measures Dielectric Discharge DD when the capacitance is in the range of 5 nF to 50 nF DIAGNOSTIC TEST SETTING OF PARAMETERS Timel Time2 Times DD on off Grabh R t gt 13 Mar 2008 13 03 Fig 18 Set up menu in Diagnostic Test Setting up parameters of the Diagnostic Test e Press the SELECT key the Set up menu appears on display see the Fig 18 e Select the parameter to be set using the 1 and J keys e Adjust the parameter using the and gt keys e Complete the set up adjustments by pressing either2. MO mmm Utest 5kV 31 Dielectric absorption ratio DAR Polarization index Pl Display range DAR Resolution Accuracy 0 01 9 99 0 01 5 of reading 2digits 10 0 100 0 0 1 5 of reading Display range PI Resolution Accuracy 0 01 9 99 0 01 5 of reading 2digits 10 0 100 0 0 1 5 of reading Dielectric discharge test DD Display range DD Resolution Accuracy 0 01 9 99 0 01 5 of reading 2digits 10 0 100 0 0 1 5 of reading Capacitance range for DD test 5 nF to 50 uF Step voltage DC test voltage Voltage value Any value within 1000 V 200 V 400 V 600 V 800 V 1000 V and 5 kV 1000 V 2000 V 3000 V 4000 V 5000 V steps by 125 V Accuracy 0 10 20 V Display range Test voltage V Resolution Accuracy 0 5500 V 1V 3 of reading 3 V Withstanding voltage DC DC test voltage Voltage value 250V to 5kV steps 25V Accuracy 0 10 20 V Display range Test voltage V Resolution Accuracy 0 5500 V 1V 3 of reading 3 V Leakage current Display range Itrigg mA Resolution Accuracy 0 000 0 009 1 HA 3 of reading 3 digits 0 01 5 50 10 pA 3 of reading 32 Voltage Voltage AC or DC Display range External Voltage V Resoluti
3. FilO Fil1 Fil2 Fil3 Filter type enabled see the section of Configuration 5000V Set test voltage U 5323V Actual test voltage measured value I 266nA Actual test current measured value 19 9GN Insulation Resistance result C 0 0nF Capacitance of measured object tm 04min 26s Timer information test duration Bar Analogue representation of result Rmax 20 1G0 Maximum value of result only if timer is enabled Rmin 19 9GN Minimum value of result only if timer is enabled Notes e If the timer is disabled then OFF is displayed instead of the timer value During a measurement the timer information displays the time needed to the complete the measurement tr while after the completion the test duration tm is displayed e A high voltage warning symbol appears on the display during the measurement to warn the operator of a potentially dangerous test voltage e Value of capacitance is measured during the final discharge of the test object INSULATION RESISTANCE SETTING OF PARAMETERS S66 Timer 65min BBs Timer onzoff ON Timel Bimin BBs GraPh Rit ON 13 Mar 2683 13 54 Fig 13 Set up menu in Insulation Resistance measurement Setting up parameters for Insulation Resistance test e Press the SELECT key the set up menu will appear on the display see the Fig 13 e Select the parameter line to be set using the and J keys e Adjust set parameter using the lt and gt keys Skip to the next sub p
4. Complies with European Directives Conforms to relevant Australian standards Do not dispose of this product as unsorted municipal waste Contact a qualified recycler for disposal bo O RI D ui h Safety Information A WARNING In order to reach the highest level of operator s safety while carrying out various measurements and tests using this Tester as well as to ensure that the test equipment remains undamaged it is necessary to consider the following warnings Meaning Of Symbols A Symbol on the instrument means Read the User Manual with special care A Symbol on the instrument means Hazardous voltage higher than 1000 V may be present at the test terminals General Precautions e If the test equipment is used in a manner not specified in this Users Manual the protection provided by the equipment may be impaired e Do not use the instrument and accessories if any damage is noticed e Consider all generally known precautions in order to avoid the risk of electric shock while dealing with electric installations e Service intervention or recalibration procedure can be carried out only by a competent and authorized person e Only adequately trained and competent persons may operate the instrument e A dot matrix LCD offers easy to read results and all associated parameters Operation is simple and clear the operator does not need any special training except reading and unde
5. option is selected the program tries to identify a currently connected instrument and select suitable one e Config command enables you to configure COM Port select Language and set Password COMPort enables you to select appropriate COM Port according to your computer configuration Language enables you to select different program languages if there are more than one available Password enables you to add or remove password for communication with AMB 55 and AMB 110 instruments You can add more different passwords to use only one PCSW for communication with more instruments If the password is not added the program can not communicate with the instrument e Window command enables you to arrange opened files in Cascade Tile Horizontally and Tile Vertically and Minimize currently selected Cascade enables you to arrange currently opened files so they overlap Tile Horizontally enables you to arrange currently opened files in priority horizontal way Tile Vertically enables you to arrange currently opened files in priority vertical way Minimize enables you to minimize currently active file Help command enables you to use Contents help About command enables you to view version and basic information about AMBLink PRO program 38 USING PROGRAM Structure Editor Structure editor enables you to edit a structure and belonging measurements You can delete items change its settings name move subitems measurements from on
6. 21 Press the ESC key to return to basic Set up menu in the Diagnostic Test function Complete the set up adjustments pressing either the ESC key or START STOP key to run the measurement directly The last displayed settings are stored DIAGNOSTIC TEST SETTING OF PARAMETERS min 23 Mar 2008 15 49 Fig 21 Set up menu of the Graph R t Notes e The time duration of Graph R t is equal to the value of Timer 3 e The Timer value could be very long up to 30 minutes so the Special automatic decimation algorithm is use to write the Graph R t to the LCD 20 e The cursors of the Graph R t could be activated with lt key e The cursors of the Graph R t could be moved with lt and gt keys A Warning e Refer to Warnings chapter for safety precautions Step Voltage Insulation Resistance testing Selecting this function displays the following states initial state and state with results after the completion of the measurement Fig 22 shows states when Graph R t is disabled STEP VOLTAGE i164 STEP VOLTAGE 50094 U 5308U R1009U So ae EZ000U 2 Initial display Display with results Fig 22 Step Voltage function display states Graph R t disabled Fig 23 shows states when Graph R t is enabled When Graph R t is enabled you can simple switching initial state and state with results after the completion of the measurement between numerical and graphical mode with pressing 1 or y keys T Graph
7. older types 4 very high insulation resistance Modern type of good insulation systems Example for minimum acceptable values for motor insulation IEEE 43 Class A 1 5 Class B 2 0 Class F 2 0 Class H 2 0 Dielectric Discharge The polarisation effect described in Polarisation Index causes a capacitance to form Cpi Ideally this charge would dissipate immediately a voltage was removed from the material In practice this is not the case In conjunction with the polarisation index PI Dielectic Discharge DD is another way to check the quality and suitability of a insulation material A material that discharges quickly would provide a low value while a material that takes a long time to discharge will provide a higher value described in the table below for more information see the section of Diagnostic Test DD value Tested material status gt 4 bad 2 4 critical lt 2 good Withstanding voltage test Some standards allow the use of a DC voltage as an alternative to AC withstanding voltage testing For this purpose the test voltage has to be present across the insulation under test for a specific time The insulation material only passes if there is no breakdown or flash over Standards recommend that the test starts with a low voltage and reaches the final test voltage with a slope that keeps the charging current under the limit of the current threshold The test duration normally takes 1
8. usually dominates The results are adequate and stabilize quickly It is important to remember the following e The voltage time and limit are usually given in the appropriate standard or regulation e Measuring time should be set to 60 s or the minimum time required for the Insulation capacitance Ciso to be charged up e Sometimes it is required to take ambient temperature into account and adjust the result for a standard temperature of 40 C e If surface leakage currents interfere with the measurements see Riss above use the guard connection This becomes critical when measured values are in the GO range Voltage dependence test Step voltage test This test shows if the insulation under test has been electrically or mechanically stressed In this instance the quantity and size of insulation anomalies e g cracks local breakdowns conductive parts etc is increased and the overall breakdown voltage is reduced Excessive humidity and pollution have an important role especially in the case of mechanical stress e The test voltage steps are usually close to those required in the DC withstanding test e Sometimes it is recommended that the maximum voltage for this test should not be higher than 60 of the withstanding voltage If the results of successive tests show a reduction in the tested insulation resistance the insulation should be replaced Time dependence test Diagnostic test Polarisation Index The purpose of t
9. C 14 122 F Nominal reference temperature range 10 C 30 C 50 86 F Storage temperature range 20 C 70 C 4 158 F Maximum humidity 90 RH 0 C 40 C 32 104 F non condensing Nominal reference humidity range 40 60 RH Nominal altitude Auto Calibration up to 2000m 6561 ft Auto calibration of measuring system Every time after turning power on Connecting System Two safety banana sockets OUT OUT 10kV CAT I Basic Two GUARD banana sockets GUARD 600V CAT IV Double Guard resistance 200 kN 10 Discharging Every time after measurement completion Discharging resistance Rs232 Serial Communication 300 kN 10 RS232 serial communication Galvanic separated Baud rates 4800 9600 19200 baud 1 stop bit no parity Connector Standard RS232 9 pin D female Usb Communication USB slave communication Galvanic separated Baud rates 115000 baud Connector Standard USB connector type B Clock Built in Real time clock Displayed permanently and stored as a parameter in combination with the result 34 MAINTENANCE AND REPAIR Inserting and charging batteries for the first time Battery cells are stored in the bottom section of the instrument casing under the battery cover see Fig 32 When inserting b
10. Insulation Resistance result C 1 2nF Capacitance of measured object Tm 05min 00s Actual test duration R1000V 20 0GN Last result of 1st step R2000V 20 0GN Last result of 2nd step R3000V 20 0GN Last result of 3rd step R4000V 19 9GN Last result of 4th step R5000V 19 9GN Last result of 5th step U1 1077V 1st step voltage U2 2142V 2nd step voltage U3 3239V 3rd step voltage U4 4283V Ath step voltage U5 5308V 5th step voltage Notes e Timer information is displayed from the start of the measurement until the completion of each step measurement e Timer information shows the complete measurement period after the completion of the measurement e A high voltage warning symbol appears on the display during the measurement to warn the operator of a potentially dangerous test voltage e The value of capacitance is measured during the final discharge of test object STEP VOLTAGE SETTING OF PARAMETERS Seco Step Time Blimin Graph R t gt ON 13 Mar 2003 13 20 Fig 25 Set up menu in Step Voltage Test Settting up parameters for the Step Voltage test e Press the SELECT key the Set up menu Fig 25 will appear on the display e Select the parameter line to be set using the T and 4 keys e Adjust the parameter using the and gt keys 23 e Complete the parameter adjustments by pressing either the ESC or the START STOP key to run the measurement directly The settings displayed last will be saved Le
11. automatically saved with the measurement e To recall stored result Highlight RCL and confirm by pressing the MEM key The last stored result will be displayed The menu is replaced with Recall measurement without the graph R t Recall 0006 Recall 0007 G 0006 and 0007 represents the serial number of the stored results G letter means the graph R t if added Recall measurement with the graph R t Results can be scrolled through by using the and J keys To see the Graph R t press the SELECT key to go back to the numerical measurement result press the ESC key The recall function can be exited by pressing the ESC or Start key e To clear the last stored result highlight CLR and confirm by pressing the MEM key To clear the complete memory see paragraph 4 2 Configuration In addition to the main result the subresults and parameters of the selected function are also recorded The following is a list of all the data stored for each function Function List of stored data Function name Measured voltage Frequency of the measured voltage Voltage Ser number of stored result Date Time Function name Measured insulation resistance value Set test voltage Actual test voltage measured value Actual test current measured value Capacitance of the tested object Insulation resistance Duration of the measurement Maximum detected value of measured resistance Maximum detected value of measured
12. min Withstanding voltage test or dielectric test is usually applied for e Type acceptance tests when a new product is being prepared for manufacture e Routine production tests for the verification of safety on each product e Maintenance and after service tests for any equipment where insulation system can be exposed to degradation Some examples for DC withstanding test voltage values Standard only sample values Voltage Standard only sample values 1970 V EN IEC 61010 1 CAT II 300 V basic insulation 3150 V IEC 60439 1 clearance between live parts withstanding impulse voltage 4 kV 500 m 4700 V IEC 60598 1 2120 V Humidity and insulation resistance measurements When testing outside the reference ambient conditions the quality of the insulation resistance measurements can be affected by humidity Humidity adds leakage paths onto the surface of the complete measuring system i e the insulator under test the test leads the measuring instrument etc The influence of humidity reduces accuracy especially when testing very high resistances The worst conditions arise in environments containing high condensation which can also reduce safety In the case of high humidity it is recommended to ventilate the test areas before and during the measurements In the case of condensed humidity the measuring system must dry and it can take several hours or even few days to recover Guard terminal The pur
13. resistance Ser number of stored result Date Time Function name Last measured insulation resistance Set test voltage Actual test voltage measured value Actual test current measured value Capacitance of the tested object Duration of the complete test Dingnosdeiast Insulation Resistance value taken after T1 Insulation Resistance value taken after T2 Insulation Resistance value taken after T3 DAR value PI value DD value Ser number of stored result Date Time 28 Function name Last measured test voltage Set Start voltage Set Stop voltage Set trigger current value Withstanding voltage DC Actual test current measured value Set Step test time Set End time Actual test time at Stop test voltage Ser number of stored result Date Time Function name Last measured insulation resistance Set test voltage Actual test voltage measured value Actual test current measured value Capacitance of the tested object Complete duration of the measurement First step measured resistance with its nominal voltage First step actual test voltage measured value Second step measured resistance with its nominal voltage Step voltage Second step actual test voltage measured value Third step measured resistance with its nominal voltage Third step actual test voltage measured value Fourth step measured resistance with its nominal voltage Fourth step actual test voltage mea
14. tllo Co Lu FL UL Where Viesestteteceds period of first time unit e g 15s asias test voltage To avoid this problem increase the DIAG Starting time parameter in CONFIGURATION menu because the start of timer in the DIAGNOSTIC TEST functions depends on the test voltage The Timer begins to run when test voltage reaches the threshold voltage which is product of the DIAG Starting time and nominal test voltage Unominal Using filters fil1 fil2 fil3 in the DAR function is not recommended Analysing the change in the measured insulation resistance over time and calculating the DAR and Pl are very useful maintenance tests of an insulating material Polarization Index PI Pl is the ratio of Insulation Resistance values measured after 1 minute and after 10 minutes The DC test voltage is present during the whole period of the measurement an Insulation Resistance measurement is also running On completion of the test the PI ratio is displayed R 0min R a 1 min Note When determining Riso 1min pay close attention to the capacitance of the object under test It has to be charged up in the first time section 1 min Approximate maximum capacitance using t 511 0 U lv PI Co Lu Fl where Denia period of first time unit e g 1min Mica test voltage To avoid this problem increase the DIAG Starting time parameter in CONFIGURATION menu because the start of timer in the DIAGNOSTIC TEST functions depends on the t
15. 3 13 20 Fig 11 Insulation Resistance function display states Graph R t disabled Fig 12 shows states when Graph R t is enabled After taking a measurement you can switch back and forth between numerical mode display and graphical mode display by pressing 1 or 4 keys T Graphical mode 4 numerical mode Note e It is not possible to switch the mode of presentation when measurement running INSULATION RESISTANCE Fil INSULATION RESISTANCE Fil 5000Y 95 200 ya GR i 55 7nA tm Smin 66s 2 1nF 100k 1M 10K 100M iG 106 1006 iT Rmax _ 108GR Rmin 88 568 26 Mar 2083 12 36 Initial display numerical mode Display with results numerical mode INSULATION RESISTANCE Filo Initial display graphical mode Display with results graphical mode Fig 12 Insulation Resistance function display states Graph R t enabled Measurement procedure Connect the test leads to the instrument and to the test object Select INSULATION RESISTANCE function in MAIN MENU Press the START STOP key and release it continuous measurement will begin Wait until the test result has stabilized then press the START STOP key again to stop the measurement or if enabled wait for the set timer runs out Wait for the object under test to discharge The result can optionally be saved pressing the MEM key twice see the section of Store Recall and Clear Operation Displayed symbols
16. A AMPROBE AMB 55 5000V Insulation Resistance Tester Users Manual e Mode d emploi e Bedienungshandbuch e Manual d Uso e Manual de uso AAMPROBE AMB 55 5000V Insulation esistance Tester Users Manual Limited Warranty and Limitation of Liability Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase unless local laws require otherwise This warranty does not cover fuses disposable batteries or damage from accident neglect misuse alteration contamination or abnormal conditions of operation or handling Resellers are not authorized to extend any other warranty on Amprobe s behalf To obtain service during the warranty period return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor See Repair Section for details THIS WARRANTY IS YOUR ONLY REMEDY ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STAUTORY INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY ARE HEREBY DISCLAIMED MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM ANY CAUSE OR THEORY Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages this limitation of liability may not apply to you Repair All test tools returned for warranty o
17. ART STOP key to run the measurement directly The last displayed settings are stored INSULATION RESISTANCE SETTING OF PARAMETERS Unominal__ MEEGEMN Timer B5min Hs Timer onzoff ON Timel Bimin BBs GrarPh Rito ON Fig 15 Set up menu of the Graph R t Notes e If the Timer is OFF is not possible to Enable the Graph R t e The time duration of Graph R t is equal to the value of Timer e The Timer value could be very long up to 99 minutes so the Special automatic decimation algorithm is use to write the Graph R t to the LCD e The cursors of the Graph R t could be activated with lt key e The cursors of the Graph R t could be moved with and gt keys A Warning e Refer to Warnings chapter for safety precautions Diagnostic Test Selecting this function displays the following states initial state and state with results after the completion of the measurement Fig 16 shows states when Graph R t is disabled DIAGNOSTIC TEST 10 DIAGNOSTIC TEST ae DEE GR 1z 266nA tm amin Bas 6 GnF 104 100M dG 10G 1006 4 RiSsec 12 288 DAR 1 00 RGimin 19 968 PI 0 99 Rigmin 19 968 DD ____ 13 Mar 2008 14 35 13 Mar 2009 14 56 Initial display numerical mode Display with results numerical mode Fig 16 Diagnostic test display states Graph R t disabled 15 Fig 17 shows states when Graph R t is enabled After taking a measurement you can switch back and forth between numerical mode d
18. adjusting some of the configuration parameters 1 Use T and J arrows to select parameter line to be adjusted 2 Use lt and gt arrows to change the value of the selected parameter If there are two or more sub parameters in one line e g date and time then use the SELECT key to skip to the next sub parameters and back To clear all memory locations 1 Select Configuration from the main menu 2 Highlight the Memory Clear option using and gt arrows 3 Press the SELECT key Press MEM to confirm message will be displayed 4 Press the MEM key to clear all memory locations or ESC to cancel the activity Contrast 50x Filter Filo Date 18 Mar 2008 Com Port RS 232 9666 Memory Clear Initialisation DIAG Starting time 85 mn gt 13 Mar 2663 10 30 Fig 6 Configuration state Parameter Value Note Contrast 0 100 Adjustment of the LCD contrast Filter Fil1 Fil2 Fil3 Filo rc of noise rejecting filter see the section of Filter Time Set real time hour minute Date Set current date day month year RS 232 4800 Com Port ee Set communication mode and rate USB 115000 Memory clear Clear all memory locations Initialization For internal factory and service maintenance only Adjustment of start of the timer in the DIAGNOSTIC TEST DIAG Starting time 0 90 functions according the nominal voltage Unominal See additional explanation in the section of Diagnost
19. arameter by pressing the SELECT key if there are two or more sub parameters and repeat the adjustment e Complete the set up adjustments by pressing either the ESC key or START STOP key to run the measurement directly The settings displayed last are stored Displayed symbols INSULATION RESISTANCE Name of selected function SETTING PARAMETERS Unominal 5000V Set test voltage 25 V steps Timer 5min 00s Duration of the measurement Timer on off ON ON timer enabled OFF timer disabled Time1 01min 00s Time to accept and display first Rmin and Rmax results Graph R t ON Enable Disable Graph R t Timer and Time1 are independent timers Maximum time for each of them is 99 minutes INSULATION RESISTANCE SETTING OF PARAMETERS Unominal SOAU Timer 65min BBs Timer on off ON Timel imin g s GrarPh Rit ON Fig 14 Set up menu in Insulation Resistance measurement Enable Disable the graph R t and Set up the graph R t parameters in the Insulation Resistance function Press the SELECT key Set up menu appears on display see the Fig 14 Select the parameter Graph R t to be set using the 1 and J keys Enable Disable the graph R t using the lt and gt keys Press the SELECT key to Set up the parameters of the graph R t see the Fig 15 Press the ESC key to return to basic Set up menu in the Insulation Resistance function Complete the set up adjustments pressing either the ESC key or ST
20. atteries for the first time please note the following e Disconnect any measurement accessories or mains supply cable connected to the instrument before opening the battery cover to avoid electric shock e Remove the battery cover e Insert the batteries correctly see Fig 32 otherwise the test instrument will not operate e Replace the battery cover and fixed the cover back in place Connect the instrument to the mains power supply for 14 hours to fully charge batteries Typical charging current is 300 mA When you charge the batteries for the first time it normally takes about 3 charge and discharge cycles for the batteries to regain full capacity Replacing and charging batteries The instrument is designed to be power by rechargeable battery supported by mains supply The LCD contains an indication of battery condition lower left section of LCD When the low battery indication appears the batteries have to be recharged connect the instrument to the mains power supply for 14 hours to recharge cells The typical charging current is 300 mA Note e The operator does not need to disconnect the instrument from mains supply after the full recharging period The instrument can be connected permanently Fully charged rechargeable batteries can supply the instrument for approx 4 hours Continues testing at 5kV If the batteries have been stored for a long time it normally takes about 3 charge and discharge cycles for the batteries
21. e MEM key twice see the section of Storing Recalling and Clearing e Breakdown is detected when the measured current reaches or exceeds the set current level trigger Notes e The timer shows the time needed to complete each step during the measurement and it shows the total measurement period after the completion of the measurement e A high voltage warning symbol appears on the display during the measurement to warn the operator of a potentially dangerous test voltage Legend of displayed symbols WITHSTANDING VOLTAGE DC Name of selected function SETTING PARAMETERS Ustart 1000V Start test voltage step 25 V Ustop 5000V Stop test voltage step 25 V Tstep 00min 00s Duration of test voltage per one step Tend 01min 00s Duration of constant test voltage after reaching stop value Itrigg 1 000mA Set trigger leakage current step 10 A Set up parameters for Withstanding Voltage WITHSTANDING VOLTAGE DC SETTING OF PARAMETERS Ustart 1009u Ustor Sooo 1 666mA 66min BBs Bimin BBs Fig 30 Set up menu in Withstanding Voltage function e Press the SELECT key the set up menu Fig 30 appears on display e Select the parameter line to be set using the T and J keys e Adjust the parameter using the lt and gt keys or skip to the next sub parameter by pressing the SELECT key if there are two or more sub parameters and repeat the adjustment Complete the parameter adjustments b
22. e Resistance Voltage and time 41 Table Table command enables you to Print and Close table Print prints table Close closes table F Measurement Table BEE Table Te Pc 00 00 15 5 12 GOhm 00 00 29 5 74 GOhm 00 01 00 6 68 GOhm 00 02 00 7 88 GOhm 00 02 59 8 56 GOhm 00 03 59 8 96 GOhm 00 05 00 9 19 GOhm 00 06 00 9 31 GOhm 00 07 00 9 39 GOhm 00 08 00 9 44 GOhm 00 08 59 9 47 GOhm 00 10 00 9 49 GOhm Measurement table represents 12 points of measurement graph Table data belongs to time 15sec 30sec and 1min to 10min time If the data at specific time is not available 5s plus or minus is taken into account Functionality is available for all different measuring functions except for STEP VOLTAGE 42 Print Header Header Comment Footer 1 Report header appears at the beginning of the first page of PRO report There are five fields to define e Operator the person who performed tests e Test site location where tests were performed e Instrument s data automatically imported from the instrument e Report created on report creation date It is saved with test results and appears when the file is reopened It can be saved as a default header and then loaded again Report Comments appears at the end of the last measurement results on the last page of PRO report It is intended to write general comment max 14 rows Comment is not saved with test results m w Report Footer is a single line text that app
23. e filters e The recommended minimum measuring times when using filters are the settling times of the selected filter option Example A noise current of 1 mA 50 Hz adds approximately 15 distribution to the measured result when measuring 1 Gn By selecting FIL1 option the distribution will reduce to less than 2 In general using FIL2 and FIL3 will further improve the noise reduction Voltage measurement Selecting this function displays the following states initial state and state with results after completion of the measurement See fig 10 below VOLTAGE f 50 BHz ou 1004 2004 300 4004 Fig 10 Voltage function display states Measurement procedure e Connect the test leads to the instrument and to the measured source e Press the START key to start the measurement continuous measurement starts to run e Press the START key again to stop the measurement e The result see the right picture in Fig 10 can optionally be saved by pressing the MEM key twice see the section of Store Recall and Clear Operation A Warning Refer to Warnings chapter for safety precautions Insulation Resistance measurement Selecting this function displays the following states initial state and state with results after the completion of the measurement Fig 11 shows states when Graph R t is disabled INSULATION RESISTANCE Fil INSULATION RESISTANCE Fila 5000Y U 5323U I 266nA C 6 8nF Rmin 13 Mar 2008
24. e item to another move toolbutton should be in up position AT and move items up and down within its parent item move toolbutton should be in down position Fp When you drag item over another the frame of the item is colored red green or blue Green color is associate with move toolbutton EN and blue color with toolbutton fry Green and blue colors mean the item can be accepted and the red color means the item is refused Blue frame appears when dragged item is inside its parent All subitems of the dragged item are moved together with its parent You can move item from one file to another file under the same rules INSTLATION PESTSTANCE INSULATION RESISTANCE B gt 10 0Te p seve OWENOSIIC TEST Tt O 26na STEP VOLTAGE pl MSLLATION ALS TANCE WITHSTANDING VOLIAGE DC DIMENOSTIC TEST trvat FITUETARDING WOLTAGE DC U 119804 11 0 00hms Un_stert 1000V Un_stop 10004 te 00min Oe Het 1 000 Tetep VOmia 308 Tend Olmin 002 3 OA HB dan 2000 13 59 f DIAGQUOSTIC TEST 39 Structure Editor File presentation consists of structure tree and setting field on the left side and results table on the right side of the screen P Anti nm PRA wem INSULATION RESISTANCE INSULATION RESISTANCE Ri gt 10 070 e WITHSTANOWG VOLTAGE DE bad Bae DIAGHOSTIC TEST ie o e SUP VOLTAGE z a s ouer was Fa INSULATION RESISTANCE ERE WITHSTAND VOLTAGE 0C ae ea OMGNOSTIC Tes
25. ears at the bottom of each page of a PRO report It is saved with test results and appears when the file is reopened It can be saved as default footer and then loaded again Print Header Repat created on 2102010 During printing inserted texts can appear out of printable area Be attentive and adjust the length of the text with help of Preview function 43 Report print preview Report print preview form shows measured results in PRO REPORT form completed with Report header Report comments and Page footer This is the form that will appear on the printed PRO report From print preview window you can set up printer and print PRO report by clicking on the appropriate icon CO Print Preview OBRui rn SS Be Gx Lenat crested an 810 2010 VITHSTANDING VOLTME DC Us 11907 I 0 003 Ua seare 10007 BR 49 508 Export Format of the text file is defined in the Export Format window that is shown automatically after selecting File Export from Main Menu command of Main Screen xport format Visit www Amprobe com for e Catalog e Application notes e Product specifications e User manuals amp Please Recycle
26. en anal E eee 11 Insulation resistance measurement ceeeeeceeeeeceeeeeeseeseeeeeesecsaecaeeseesaecsnecsecsaeeaesseeeaesaeeaeeeeeeaeeneseaees 12 Diagnostic tests miei need A eet eee ed echoes 15 Dielectric Absorption Ratio Dar vivir AA 16 Pol az a avcsaseites 17 Dielectric Discharge Testing DD reece aaae e Eae nc ea rn cnn cnn c nan Eaa enana cana ei 18 Step voltage insulation resistance testing ooonccccccnnccconcconcccnnccnnnncnncnnnn cnn cn rancia cnn crac ran n ranas 21 Withstanding voltage i ic ccicccccosss cccecacesascsscenvectcneseucateamcasecetsnensceuen ss saucdeveenestechessdapesuieasacdesenescateustezcocte 24 Working with your Result siistiin paaien ave datvesdesbeaavenvesdenesseesd cesstieevt teenies 27 Transterring data tota Pisani 29 SPECIFICATIONS aa ai 33 MAINTENANCE AND REPAIR faa 0 data 35 Replacing and charging batterieS ooooconcccnccninccincnconccnnccconcnnnn cnn cc cnn cnnnc cnn n cnn nn c nar nrnnc anna Ennen nennen en 35 AMB 55 AND AMB 110 PC SOFTWARE INSTRUCTION MANUAL 0occccococccccocccnnonnccnnnnncnonancnconancncnnnncncnns 37 SYMBOLS AND WARNINGS Caution Risk of electric shock Caution Refer to the explanation in this Manual Double Insulation or Reinforced insulation EP e Alternating Current AC Direct Current DC Fuse Earth Ground Please remove all the test leads before preforming maintenance cleaning battery replacement fuse replacement etc
27. esistance e Measurement of the relationship between time and insulation resistance e Test of residual charge after the dielectric discharge The results of this test can indicate whether the replacement of the insulation system is needed Typical examples of where testing insulation resistance and its diagnosis are recommended are transformer and motor insulation systems cables and other electrical equipment Electrical representation of insulating material Fig 7 represents the equivalent electrical circuit of an insulating material Ttest O i nmterial Ko e Rissl ea Z Gi PY Riso Gso Gen Rpi Riss2 a 1 Inrena Drau Fig 7 Fig 8 Riss1 and Riss2 the surface resistivity position of optional guard connection Riso the actual insulation resistance of material Ciso capacitance of material Cpi Rpi represents polarization effects Fig 8 shows typical currents for that circuit Itest overall test current Itest IPI IRISO IRISS IPI polarization absorption current IRISO actual insulation current IRISS surface leakage current Some application examples for using AMB 55 Basic Insulation resistance test Virtually every standard concerning the safety of electrical equipment and installations requires the performance of a basic insulation testing When testing lower values in the range of MQ the basic insulation resistance Riso
28. est voltage The timer begins to run when test voltage reaches the threshold voltage which is product of the DIAG Starting time and nominal test voltage Unominal Analysing the change in the measured insulation resistance over time and calculating the DAR and PI are very useful maintenance tests of an insulating material Dielectric Discharge Testing DD DD is the diagnostic insulation test carried out after the completion of the Insulation Resistance measurement Typically the insulation material is left connected to the test voltage for 10 30 min and then discharged before the DD test is carried out After 1 minute a discharge current is measured to detect the charge re absorption of the insulation material A high re absorption current indicates contaminated insulation mainly based on moisture _ Idis min m4 Ulv c F where Idis 1min discharging current measured 1 min after regular discharge Mia test voltage CErrcmesinins capacitance of test object Measurement procedure e Select DIAGNOSTIC TEST function in MAIN MENU e Connect the test leads to the instrument and to the measured object e Press the START STOP key to start the measurement e Wait until set timer runs out the result is displayed Wait until the object under test has discharged The result can optionally be saved by pressing the MEM key twice see the section of Store Recall and Clear Operation Legend of displayed symbols
29. eters The Stop voltage is then maintained for a predefined test time see the Fig 28 24 Ut Ut Ustop U step Ustar Ustar Tstep Tend Fig 28 Test voltage presentation without breakdown left part and with breakdown right part Uteis Test voltage Ustop End test voltage Ustep Voltage step approx 25 V fixed value not presetable Ustart Starting voltage Tstep Test voltage duration per step Constant test voltage duration after reaching End value Time Breakdown voltage Selecting this function displays the following states Fig 29 shows the initial screen and a screen with results after the completion of a measurement WITHSTANDING VOLTAGE DC WITHSTANDING VOLTAGE DC Initial display Display with results Fig 29 Withstanding Voltage function display states Displayed symbols WITHSTANDING VOLTAGE DC Name of selected function 1000V Start test voltage 5000V Stop test voltage 5275V Actual test voltage measured value 1 0 001mA Actual test current measured value tm 01min 00s Timer information 25 Measuring procedure Results Note Wait for the object under test is discharge Connect the test leads to the instrument and to the measured object Press the START STOP key to start the measurement Wait until the set timers runs out or until breakdown occurs the result will be displayed The results can be saved by pressing th
30. gend of displayed symbols STEP VOLTAGE Name of selected function SETTING PARAMETERS Unominal 5000V Set test voltage step 125 V Step Time 01min Duration of measurement per step Graph R t ON Enable Disable Graph R t Note e Maximum value for Step Time is 30 min STEP VOLTAGE SETTING OF PARAMETERS Unominal 5000Y Ster Time Bimin GraPh Rit ON STEP VOLTAGE SETTING OF PARAMETERS min Rct 610 068 Rt Tyre LOG Fig 26 Set up menu in Step Fig 27 Set up menu of the Graph R t Voltage measurement Notes e The time duration of Graph R t is equal to the value of Step Time Multiplied by 5 e The Timer value could be very long up to 150 minutes so the Special automatic decimation algorithm is use to write the Graph R t to the LCD e The cursors of the Graph R t could be activated with lt key e The cursors of the Graph R t could be moved with lt and gt keys A Warning e Refer to Warnings chapter for safety precautions Withstanding voltage This function offers Withstanding Voltage test of insulation material It covers two types of tests 1 Breakdown voltage testing of high voltage device e g transient suppressors 2 DC withstanding voltage test for insulation coordination purposes Both functions require breakdown current detection In the function the test voltage is increased from the starting voltage to the stop voltage over a predefined time set by the param
31. has not been saved yet or the structure was changed Save saves changes into the file Save As saves new structure or downloaded data into file Header Setup in this menu all that belongs to PRO report can be set or edited Report header Report comments and Page footer Instrument data in gray fields are imported automatically from the instrument The Print Header data are saved or printed out together with test results A default Print Header can be set stored or loaded PRO report Print Preview shows opened file data in table in Print preview form From print preview window you can set up printer and print PRO report by clicking on the appropriate icon Draw Graph draws graph of selected measurement Show Table shows specific points of graph measurement in table form Export transfers opened data to text file with defined Export format to be read further by a spreadsheet software like EXCEL Exit terminates AMBLink PRO program Before exiting a confirmation for termination is asked e Instrument command enables you Download data from the instrument send for MI 3295 and receive Instrument data of the instrument and select currently used model of the instrument Download downloads memorized data from the instrument Instrument data enables you to read instrument information name model FW and HW ver firm data user data and serial number Model enables you to select suitable instrument model If the Auto Find
32. his diagnostic test is to evaluate the influence of the polarization part of insulation Rpi Cpi After applying a high voltage to an insulator the electric dipoles distributed in the insulator align themselves with the applied electrical field This phenomenon is called polarization As the molecules polarize a polarization absorption current lowers the overall insulation resistance of the material The absorption current IPI typically collapses after a few minutes If the overall resistance of the material doesn t increase this means that other currents e g surface leakages dominate the overall insulation resistance e Pl is defined as the ratio of the measured resistances in two time slots The most typical ratio is 10 min value to 1 min value but this is not a rule e The test is typically performed at the same voltage as the insulation resistance test e If the one minute insulation resistance is greater than 5000 MQ then this measurement may not be valid new modern types of insulation e Oiled paper used in transformers or motors is a typical insulation material that requires this test In general insulators that are in good condition will show a high polarization index while insulators that are damaged will not Note that this rule is not always valid General Applicable Values PI value Tested material status 1to 1 5 Not acceptable older types 2 to 4 typically 3 Considered as good insulation
33. ic Test Table 1 Configuration parameters MEASUREMENT General Information about High DC voltage testing The purpose of insulation tests Insulating materials are important parts of almost every electrical product The material s properties depend not only on its compound characteristics but also on temperature pollution moisture ageing electrical and mechanical stress etc Safety and operational reliability require the regular maintenance and testing of the insulation material to ensure it is kept in good operational condition High voltage tests are used to test insulating materials DC vs AC testing voltage Testing with a DC voltage is widely accepted as being as useful as testing with AC and or pulsed voltages DC voltages can be used for breakdown tests especially where high capacitive leakage currents interfere with measurements using AC or pulsed voltages DC is mostly used for insulation resistance measurement tests In this type of test the voltage is defined by the appropriate product application group This test voltage is lower than the voltage used in the withstanding voltage test so the tests can be applied more frequently without stressing the test material Typical insulation tests In general insulation resistance tests consist of the following possible procedures e Simple insulation resistance measurement also called a spot test e Measurement of the relationship between voltage and insulation r
34. ic Test Step Voltage In these functions the status of the filter option is shown in the top right corner of the LCD screen The table below contains a definition of the individual filter options 10 Filo Low pass filter with cut off frequency of 0 5 Hz in signal line Fil1 Additional low pass filter with cut off frequency of 0 05 Hz in the signal line Fil2 Fil1 with increased integrating time 4 s Fil3 Fil2 with additional cyclic averaging of 5 results Table 2 Filter options The Purpose Of Filtering In simple terms the filters smooth the measured currents by means of averaging and bandwidth reduction There are various sources of disturbance e AC currents at the mains frequency and its harmonics switching transients etc cause the results to become unstable These currents are mostly cross talk through insulation capacitances close to live systems e Other currents induced or coupled in the electromagnetic environment of the insulation under test e Ripple current from internal high voltage regulator e Charging effects of high capacitive loads and or long cables Voltage changes are relatively narrow on high resistance insulation so the most important point is to filter the measured current Note Any of the selected filter options increases the settling time with Fil1 to 60 s Fil2 to 70 s and Fil3 to 120 s e It is necessary to pay close attention to the selection of time intervals when using th
35. ical mode Numerical mode Note e It is not possible to switching mode of presentation when measurement running Fig 23 Step Voltage function display states Graph R t enabled In this test the insulation is measured in five equal time periods with test voltages from one fifth of the final Test voltage up to full scale see the Fig 24 This function illustrates the relationship of a materials Insulation resistance and its applied voltage STEP VOLTAGE 16 STEP VOLTAGE SEAC tm Smin 68s Initial display numerical mode Display with results numerical mode 21 STEP VOLTAGE 16 gt VOLTAGE 39 762 5 301kU Initial display graphical mode Display with results graphical mode Measurement procedure Connect the test leads to the instrument and to the test object Press the START STOP key to start the measurement Wait until set timer runs out the result will be displayed Wait for the object under test to discharge The results can be saved by pressing the MEM key twice see the section of Storing Recalling and Clearing Results 0 8U 0 6U 0 4U 0 2U 0 T 2 3T 47 Of t Fig 24 22 Displayed symbols Filo Fil1 Fil2 Fil3 Filter type enabled see the chapter 5 3 Configuration 5000V Set test voltage step 125 V U 5308V U 5308V Actual test voltage measured value I 266nA Actual test current measured value 19 9GN
36. is connected to the mains supply when the instrument is turned ON the instrument will automatically switch from the battery supply to the main supply In bottom left corner of LCD screen the plug character will appear If instrument is not in measuring mode the internal charger will begin to charge the batteries In bottom left corner of LCD screen battery indicator will start to flash indicating that the batteries are charging Note It is not recommended to connect or disconnect the instrument to mains supply while the instrument is in measuring mode measuring mode When the instrument is performing a test Backlight operation battery powered instrument After turning the instrument ON the LCD backlight is automatically turned ON It can be turned OFF and ON by simply clicking the LIGHT key Backlight operation mains powered instrument After turning the instrument ON the LCD backlight is automatically turned OFF It can be turned OFF and ON by simply clicking the LIGHT key Off function The instrument can be switched OFF only by pressing the ON OFF key The auto off function is not available to allow long term measurements to be performed Configuration The configuration function enables the selection and adjustment of the parameters that are not directly involved in the measurement procedure Fig 6 In the bottom section of the display the power supply status is shown The following procedure must be carried out when
37. isplay and graphical mode display by pressing 1 or 4 keys T Graphical mode Y Numerical mode Note e It is not possible to switch the mode of presentation when measurement running DIAGNOSTIC TEST FilA OL e SEN U 5295U e GR 1 55 6nA tm 18min 00s C 2 1nF 23 Mar 2008 14 03 Initial display numerical mode Display with results numerical mode DIAGNOSTIC TEST DIAGNOSTIC TEST 95 162 5 298kU 10 00 Initial display graphical mode Display with results graphical mode Fig 17 Diagnostic test display states Graph R t enabled Diagnostic test is a long duration test for evaluating the quality of the insulation material under test The results of this test enable the decision to be made on the preventive replacement of the insulation material Dielectric Absorption Ratio Dar DAR is ratio of Insulation Resistance values measured after 15s and after 1 minute The DC test voltage is present during the whole period of the test also an Insulation Resistance measurement is continually running At the end the DAR ratio is displayed RA 1 min DAR Ri 15s Some applicable values DAR value Tested material status lt 1 25 Not acceptable lt 1 6 Considered as good insulation gt 1 6 Excellent Note When determining Riso 15s pay attention to the capacitance of test object It has to be charged up in the first time section 15s Approximate maximum capacitance using
38. ment Positive Insulation Resistance test terminal OUT ZACAUTION Use original test accessories only Max allowed external voltage between test terminals and ground is 600V Max allowed external voltage between test terminals is 600V C RS 232 connector USB port AC input appliance inlet ZACAUTION Use original mains supply cable only CONTENTS SYMBOLS AND WARN N GG re a e N a a E Tea aE pa A Ta aa EAT AEEA aE Ara inaia 2 UNPACKING AND INSPECTION icono neha pe en dite dei heehee na aariin euuis 3 FEATURES vec cestcnscticeviivecteenitie pia 3 OPERATION coi da 4 Switching ON the instrUMent tse nana a aee E E aa E AE Ea a aiea 4 Mains powered instrument operation ccccccecceeeeseeeeeeeeeeaeeeeeeeaeeseeeceaeesaaeseaeesaeseaeeseaeeeeeeeeaeeeeeeeeee 5 BackliGghtiGPerationin scciscsccoctinsisescctesess ias 5 OTF TUN CION sninn na tie gwen miner ba 6 To clear all memory lOCatiONns iia 6 MEASUREMEN Tc aia 7 Basic Insulation resistance teSt ooonocccnnnonnnnncnncnnnenncnnrnrncnn cren nr 8 Voltage dependence test Step voltage test Time dependence test Diagnostic teSt 8 Humidity and insulation resistance measurements Guard terminal aceros AA O eg 10 Filter OPtiONS incio sacs secevstgevscavaneadedcsuvavedpeb E ad isa 10 The purpose OMITA A a ee ee 11 Voltage Mea UT MOE A sede ent e
39. nstrument to PC and review downloaded data as a table or graph The functionality for downloading is connected to the password that is unique for instrument s serial number If the password is added the functionality is enabled It enables you to Download Memorized Data View Downloaded Data View Graph Of Data View Graph Data In Table Form Print Pro Report Print Graph Print Table Save Results For Later Purposes Main Screen It is essential that all measurement instruments be regularly calibrated For occasional daily use we recommend an annual calibr F AMBLink PRO a al xj File Instrument Config Window Help ary E Open file Save file Exit Download Data Show Table Draw Graph 2 Move Item PRO report print preview Note 1 Download data is not possible if the instrument is in the RECALL MEMORY mode 2 Toggle between moving objects within same level or between different levels 37 Main Menu Command It is essential that all measurement instruments be regularly calibrated For occasional daily use we recommend an annual calibr e File command enables you to Open Close and Save file Header setup PRO Report print preview Show Table Draw Graph Export data and Exit from the program Open opens an existing file with tree structure window and settings window Close closes opened file Before closing a confirmation is asked in case the data
40. on Accuracy 0 600 1V 3 of reading 4 V Frequency of external voltage Display range Hz Resolution Accuracy 0 and 45 65 0 1 Hz 0 2 Hz Note e for frequency between 0 and 45 Hz displayed lt 45 Hz e for frequency over 65 Hz displayed gt 65 Hz e for voltages under 10V frequency result is shown as Input resistance 3 MO 10 Capacitance Measuring range C 50 uF Display range C Resolution Accuracy 0 0 99 9 nF 0 1 nF 100 999 nF 1 nF 5 of reading 4 nF 1 00 50 00 pF 10 nF C measured if R gt 5 MO Full scale value of capacitance is defined according to the following equation Crs 10 HF e Utest kV SPECIFICATIONS General specifications Battery power supply 7 2 V DC 6 x 1 2V Ni MH IEC LR14 Mains power supply 90 260 V AC 45 65 Hz 40 VA 300V CAT III Protection classification double insulation E Over voltage category 600 V CAT IV Pollution degree 2 Degree of protection IP 40 with case closed Dimensions w x h x d 31x 13x 25 cm 12x 5 x 10 in Weight without accessories with batteries 3 kg 6 6 lb Visual and sound warnings yes Display LCD dot matrix with backlight LCD dot matrix with backlight 160x116 Memory Non volatile internal memory 1000 numerical measurements with time and date 33 Environment Conditions Working temperature range 10 C 50
41. pose of the GUARD terminal is to lead away potential leakage currents e g surface currents which are not a result of the measured insulation material itself but are a result of surface contamination and moisture This current interferes with the measurement i e the Insulation Resistance result is influenced by this current The GUARD terminal is internally connected to the same potential as the negative test terminal black one The GUARDs test clip should be connected to the test object so as to collect most of the unwanted leakage current see the Fig 9 below Fig 9 Connection of GUARD terminal to measured object Where UE ond Test voltage ere Leakage current resulted by surface dirt and moisture Mio Material current resulted by material conditions Ainas A meter current Result without using GUARD terminal RINS Ut IA Ut IM IL incorrect result Result using GUARD terminal RINS Ut IA Ut IM correct result It is recommended to use the GUARD connection when high insulation resistance gt 10GQ are measured Note e The guard terminal is protected by an internal impedance 200 KM e The instrument has two guard terminals to allow easy connection of shielded measuring leads Filter options Filters are built in to reduce the influence of noise on measurement results This option enables more stable results especially when dealing with high Insulation Resistances Insulation Resistance Diagnost
42. r 2 EN Screw unscrew to replace the batteries E PA Correct inserted batteries Ensure batteries are used and disposed of in accordance with Manufacturers guidelines and in accordance with Local and National Authority guidelines A WARNING Disconnect all test leads and switch off the instrument before removing the battery cover hazardus voltage Use a soft cloth slightly moistened with soapy water or spirit to clean the surface of the instrument and leave the instrument to dry totally before using it Notes Do not use liquids based on petrol or hydrocarbons e Do not spill cleaning liquid over the instrument Calibration It is essential that all measurement instruments be regularly calibrated For occasional daily use we recommend an annual calibration to be carried out When the instrument is used continuously every day we recommend calibrating the instrument every six months Service For repairing under or out of warranty period contact your distributor for further information 36 AMB 55 AND AMB 110 PC SOFTWARE INSTRUCTION MANUAL INSTALL AMBLINK PRO SOFTWARE e Insert the provided CD disk into CD ROM drive e Double click AMBLINK PRO XX X exe X can be 0 to 9 or blank indicating the software version e The pop up windows will guide you through the program setup process INTRODUCTION AMBLink PRO program is a PC Software for AMB 55 and AMB 110 instruments It is intended for downloading data from the i
43. r non warranty repair or for calibration should be accompanied by the following your name company s name address telephone number and proof of purchase Additionally please include a brief description of the problem or the service requested and include the test leads with the meter Non warranty repair or replacement charges should be remitted in the form of a check a money order credit card with expiration date or a purchase order made payable to Amprobe Test Tools In Warranty Repairs and Replacement All Countries Please read the warranty statement and check your battery before requesting repair During the warranty period any defective test tool can be returned to your Amprobe Test Tools distributor for an exchange for the same or like product Please check the Where to Buy section on www amprobe com for a list of distributors near you Additionally in the United States and Canada In Warranty repair and replacement units can also be sent to a Amprobe Test Tools Service Center see address below Non Warranty Repairs and Replacement US and Canada Non warranty repairs in the United States and Canada should be sent to a Amprobe Test Tools Service Center Call Amprobe Test Tools or inquire at your point of purchase for current repair and replacement rates In USA In Canada Amprobe Test Tools Amprobe Test Tools Everett WA 98203 Mississauga ON L4Z 1X9 Tel 877 AMPROBE 267 7623 Tel 905 890 7600 Non Warranty Repai
44. rs and Replacement Europe European non warranty units can be replaced by your Amprobe Test Tools distributor for a nominalv charge Please check the Where to Buy section on www amprobe com for a list of distributors near you European Correspondence Address Amprobe Test Tools Europe Beha Amprobe GmbH In den Engematten 14 79286 Glottertal Germany Tel 49 0 7684 8009 0 www amprobe eu Correspondence only no repair or replacement available from this address European customers please contact your distributor AMB 55 5000V Insulation Resistance Tester LCD Displa AMB 55 5000V Advanced Insulation Resistance Tester 1 START STOP key to start or stop any measurement ON OFF key to switch the instrument ON or OFF 6 MEM key to store recall and erase results SELECT key to enter set up mode for the selected function or to select the active parameter to be set Cursor key to select an option upward O Cursor key to select an option downward Cursor key to decrease the selected parameter cursor key to increase the selected parameter ESC key to exit the selected mode Light key to turn the display backlight ON or OFF AMB 55 5000V Insulation Resistance Tester 1 Negative Insulation Resistance test terminal OUT GUARD test terminals intended to lead away potential leakage current while measuring the Insulation Both green sockets are connected together inside the instru
45. rstanding this Users Manual to operate the instrument Batteries e Disconnect all test leads main supply cable and switch the power off before opening the Battery cover e Use only Ni MH rechargeable batteries IEC LR14 External Voltages e Do not connect the instrument to a main voltage different from the one defined on the label adjacent to the mains connector otherwise the instrument may be damaged e Do not connect test terminals to an external voltage higher than 600 V DC or AC CAT IV environment to prevent any damage to the test instrument Working With The Instrument Use only standard or optional test accessories supplied by your distributor Equipment under test must be switched off i e de energized before test leads are connected to the equipment Do not touch any conductive parts of equipment under test during the test Make sure that the tested object is disconnected mains voltage disconnected before starting the Insulation Resistance measurement Do not touch the tested object while testing it risk of electric shock In case of a capacitive test object long tested cable etc automatic discharge of the object may not be done immediately after finishing the measurement Please wait discharging message will be displayed Handling With Capacitive Loads e Note that 40 nF charged to 1 kV or 5 nF charged to 5 kV are hazardous live e Never touch the measured object during the testing until it is
46. sured value Last step measured resistance with its nominal voltage Last step actual test voltage measured value Ser number of the stored result Date Time Note e Date and time of storing the test result are transferred to PC while date and time of recalling are displayed when recalling results Transferring Data to a PC Stored results can be transferred to a PC The communication software can identify the instrument and download the data 29 How to transfer the stored data Connect the instrument to the COM port of the PC using the communication cable RS232 or USB Power up both the PC and the instrument In the CONFIGURATION menu of the instrument set the communication mode RS232 or USB and Baud Rate appropriately At the end leave the CONFIGURATION menu by pressing the ESC button Run the communication program on the PC In the Configuration Com Port menu set the Com Port and Baud Rate appropriately The Auto Find function can be used to configure Com port Settings automatically If Auto Find function is not successful first time try one more time The PC and the instrument should automatically recognize each other With the communication program the following tasks can be performed e Download data e Clear instrument data e Change and download user data e Prepare a simple report form e Prepare a file to import in to a spreadsheet program The program is compatible with Windo
47. t e STEP VOLTAGE WITHSTAN ING VOLTAGE DC U 11964 1 0 0034 Un_stert 1000V Un_stop 20004 te DOmin 005 Itrig 1 0004 Tetep Comin 308 Tend Oimin 008 Setting properties are connected to the selected item from the structure tree It is possible to change Item name Results are connected to the selected item from the structure tree They can be presented in three comprehension modes full medium and low Full presentation includes all available results and sub results for each measurement medium presentation includes measurements and basic results while low presentation is only list of measurements Results table can display all results under selected item or only results of the selected item depending on the SUB Item state 40 Graph Graph command enables you to Print and Close graph View command enables you Auto Range Restore Range and Refresh Data Measurement Graph 8 amp 8 8 amp Measurement started on 19 46 2008 11 48 Print prints graph Close closes graph Auto Range sets maximal value of Resistance X axis to optimal value due to max resistance value Restore Range sets maximal value of Resistance X axis to original value Refresh repaints complete image of graph Zoom function enables you to see graph details Press left mouse button and select range with dragging mouse right For zoom out graph press left mouse button and drag mouse left Status bar shows cursor values of th
48. the ESC key or START key to run the measurement directly The settings displayed last are stored Displayed symbols Insulation Resistance Name of selected function Setting Parameters Unominal 5000V Set test voltage step 25 V Time1 01min Time node to take R1min result Time2 02min Time node to take R1min result and calculate DAR Time3 03min Time node to take R3min result and calculate Pl DD on off ON ON DD enabled OFF DD disabled Graph R t ON Enable Disable Graph R t Time1 Time2 and Time3 are timers with the same start point The value of each presents the duration from the start of the measurement The maximum time is 30 min The following Fig 19 shows the timer relationships 1a 0 Time 1 Time2 sal t Start Stop R15s RO1min RO3min DAR Pl if enabled DD Time1 Time2 Time2 Time3 Fig 19 Timer relations DIAGNOSTIC TEST SETTING OF PARAMETERS Unominal SGA Timel 15sec Time2 Bimin Time 65min DD on off ON GrarPh Rit Nn MA 19 Mar 2003 11 57 Fig 20 Set up menu in Diagnostic Test measurement Enable Disable the graph R t and Set up the graph R t parameters in the Diagnostic Test function Press the SELECT key Set up menu appears on display see the Fig 20 Select the parameter Graph R t to be set using the tT and J keys Enable Disable the graph R t using the and gt keys Press the SELECT key to Set up the parameters of the graph R t see the Fig
49. thstanding voltage DC up to 5 kV Programmable ramp test voltage from 250 V up to 5 kV High resolution ramp approx 25 V per step Programmable threshold current up to 5 mA e Voltage and frequency measurement up to 600 V AC DC A dot matrix LCD offers easy to read results and all associated parameters The operation is straightforward and clear to enable the user to operate the instrument without the need for special training except reading and understanding this Users Manual Test results can be stored on the instrument The new professional PC SW enables straightforward transfer of test results and other parameters in both directions between the test instrument and PC OPERATION Switching on the instrument Auto calibration The instrument is switched ON by pressing the ON OFF key After turning on the instrument will execute the auto calibration Fig 4 Note If the batteries are defective or missing and the instrument is powered from mains supply the instrument will not turn ON Measuring test leads should be disconnected during auto calibration If not the auto calibration procedure could be false and instrument will require disconnection of the test leads and repeat switching OFF and ON After finishing the auto calibration the MAIN MENU Fig 5 will appear and instrument is ready for normal operation Auto calibration prevents the reduction in accuracy when measuring very low currents It compensates the effec
50. to regain full capacity Battery cells are stored in the bottom section of the instrument casing under the battery cover see Fig 32 In case the batteries become defective please note the following Turn the power off and disconnect any measurement accessories or mains supply cable connected to the instrument before opening the battery cover to avoid electric shock Remove the battery cover All six cells have to be replaced and they have to be of the same type Insert the batteries correctly see Fig 32 otherwise the test instrument will not operate and battery may be discharged Replace the battery cover and fixed the cover back in place Turn the power off and disconnect any measurement accessories or mains supply cable connected to the instrument before opening the battery cover to avoid electric shock Remove the battery cover All six cells have to be replaced and they have to be of the same type Insert the batteries correctly see Fig 32 otherwise the test instrument will not operate and battery may be discharged Replace the battery cover and fixed the cover back in place Nominal power supply voltage is 7 2 V DC Use six NiMH cells with size equivalent to IEC LR14 dimensions diameter 26 mm height 46 mm See the next Fig 32 for correct polarity of the batteries 35 OWER SUPPLY x1 2 V NiMH RECHARGEABLE IEC LR14 Fig 32 Correct polarity of inserted batteries i Battery cove
51. totally discharged e Maximum external voltage between any two leads is 600 V CAT IV environment UNPACKING AND INSPECTION Your shipping carton should include 1 AMB 55 Meter 3 Test Leads 3 Alligators 1 Power Supply Cord Set 1 Software CD 1 USB Cable 1 RS232 Cable 1 Users Manual 6 Rechargeable Ni MH batteries If any of the items are damaged or missing return the complete package to the place of purchase for an exchange FEATURES The AMB 55 Tester is a portable battery mains powered test instrument intended for the testing of Insulation Resistance by using high test voltages up to 5kV The instrument is designed and produced with the extensive knowledge and experience acquired through many years of working in this sector Available functions offered by the AMB 55 Tester e High insulation resistance measurement up to 10T ohm Programmable test voltage from 250 V up to 5 kV steps 25 V R t Graphs Programmable timer 1s up to 99 min Automatic discharge of test object after completion of measurement Capacitance measurement e Insulation resistance measurement versus test voltage step up voltage test Five discrete test voltages proportionately set within preset test voltage range Programmable timer 1 min up to 99 min per step e Polarization Index PI Dielectric Absorption ratio DAR and Dielectric Discharge DD ratio Pl RINS t2 RINS t1 DAR R1min R15s DD Idis 1min CU e Wi
52. ts caused by ageing temperature and humidity changes etc A new auto calibration is recommended when the temperature changes by more than 5 C AUTO CALIBRATION a CS TEST LEADS SHOULD BE DIAGNOSTIC TEST DISCONNECTED DURING STEP VOLTAGE AUTO CALIBRATION WITHSTANDING VOLTAGE DC age VOLTAGE i CONFIGURATION 154 10 O 13 Mar 2003 12 00 Fig 4 Auto calibration state Fig 5 Main Menu Note If the instrument detects an incorrect state during the auto calibration the following warning message will be displayed ERROR e Test leads connected Disconnect and switch on the instrument again e Conditions out of range press start to continue Possible reasons for out of range conditions are excessive humidity excessively high temperature etc In this case it is possible to perform measurements by pressing the START STOP button again but results could be out of technical specification Mains powered instrument operation If you connect instrument to the mains supply when instrument is turned OFF internal charger will begin to charge the batteries but instrument will remain turned OFF In the bottom left angle of LCD screen the plug character and the flashing battery indicator will appear to indicate that the batteries are charging Note If batteries are defective or missing the charger will not work In the lower left corner of LCD screen only plug character will be appeared without battery indicator If the instrument
53. ws 2000 XP VISTA Windows 7 SPECIFICATIONS Measurement specifications Note All data regarding accuracy is given for nominal reference environment condition Insulation resistance Nominal test voltage 250 V to 5 kV steps by 25V Current capability of test generator gt 1 mA Short circuit test current 5 mA 10 Automatic discharge of tested object yes Measuring range Riso 0 12 MA up to 10 TO Display range Riso Resolution Accuracy 0 999 kN 1k0 1 00 9 99 MO 10k0 10 0 99 9 MO 100 kN 100 999 MQ 1MO 5 of reading 3 digits 1 00 9 99 GO 10MO 10 0 99 9 GN 100 MO 100 999 GO 160 1 00 10 00 TO 10 GO 15 of reading 3 digits Full scale value of insulation resistance is defined according the following equation Res 2 GA Utest V 30 DC test voltage Voltage value 250 V to 5 kV Accuracy 0 10 20 V Output power 5 W max Display range Test voltage V Resolution Accuracy 0 5500 V TY 3 of reading 3 V Current Voltage value Resolution Accuracy 1 00 5 50 mA 10 pA 100 999 yA 1 A 10 0 99 9 pA 100 nA 1 00 9 99 yA 10nA 5 of reading 0 05 nA 100 999 nA 1nA 10 0 99 9 nA 0 1 nA 0 00 9 99 nA 0 01 nA Noise current rejection resistive load Filo 1 5 Fil1 2 5 Fil2 4 5 Fil3 5 Generator Capability vs Resistance
54. y pressing either the ESC or the START STOP key to run the measurement directly The settings displayed last will be saved 26 Notes Tstep and Tend are independent timers The maximum time for each timer is 30 min 60 s Tend begins after the completion of the ramp period Ramp period can be calculated from Tramp Tstep Ustop Ustart 25 V If Tstep is set to 00min 00s then the ramp voltage increases by approximately 25 V every 2s A Warning e Refer to Warnings chapter for safety precautions Working with your Results Storing Recalling and Clearing Results The instrument contains battery supported storage memory to retain results when power is disconnected This enables the test engineer to make the measurements and then to recall them later on This way the engineer can analyze and print results on the instrument or transfer them to a computer for further analysis INSULATION RESISTANCE Off TOBOY U 7246U I 683nA E SAVE CLR RCL 6476 13 Jan 2001 11 61 Fig 31 Storage operation menu After pressing the MEM key the memory menu Fig 31 is displayed Here the engineer has the option to save recall and clear results SAVE CLR RCL nnnn Notes nnnn is the results serial number There are the following possibilities are selectable using the lt or gt arrow keys e To store result Highlight SAVE and confirm by pressing the MEM key If graph R t is enabled in the measurement it will be
Download Pdf Manuals
Related Search