Megohmmeter Models 6550 and 6555
Contents
1. Capacitance 2 201 nF The type of measurement is a non destructive test Value of the insulation resistance Current at the end of the measurement True value of the test voltage at the end of the measurement Duration of the measurement Subsidiary results Example of display after measurement Minimum and maximum values of the voltage and the resistance and time at the location of the cursor GRAPH 3 018 GQ 3 018 GQ 00 01 00 00 01 00 Insulation Test voltage axis resistance axis Curve V t identified by x s Curve R t Time axis 1 00 2 00 3 00 4 00 Resistance versus time graph This curve is useful primarily in the case of a measurement in V RAMP mode TEMPERATURE O Air Temperature 23 C Humidity 40 Probe Temperature 23 C Rc Reference Temperature 40 C AT for R 2 10 C R measured 5 00 GO Rc at 40 C 1 529 GO The instrument displays the insulation resistance referred to the reference temperature The bargraph indicates the quality of memory used in black and the quantity Obj Test Date Time Fct A a 0k01 2011 05 28 09 04 2550V white 0202 2011 05 27 10 43 Lot Measurement 0201 2011 05 27 10 38 Ca Ae 0102 2011 05 26 15 04 1000WE samples are indicated 0101 2011 05 26 14 56 500V The number of measurements that can be recorded depends on the number of samples stored for each measurement CONFIG Total Run Time Manual Stop Manual S2. test Three preselected test voltages can be stored in the instrument and can be modified as needed prior to starting a test CA 2 Www aemc com Technical Assistance 800 343 1391 INSTRUMENTS SELECTABLE VO gt gt gt gt gt gt gt YY vV vV Yy vy EJ AEMC True Megohmmeter Fixed or programmable test voltage from 40V to 10kV 15kV Wide measurement range from 10kQ to 30TQ 5mA charging current Step voltage testing Ramp voltage testing Automatic calculation of DAR PI DD AR ppm V ratios Digital filtering of insulation measurements to eliminate noise and erratic display of the results Live measurement of the voltage to warn the operator of potential unsafe conditions Programmable thresholds to trigger audible alarms which aid the user in fault detection Timed measurement duration checks Current limit programming Fuse protection with display indication of defective fuse condition Automatic discharging of the test voltage on the tested device at the end of the measurement provides for operator safety Auto Power Off mode saves battery power Battery charge indication Internal storage of up to 80 000 measurements Real time clock Large backlit LCD screen with digital display bargraph and R t u t I t and I V graphs Multiple test modes voltage ramp and step voltage with Burn in Early Break and I Limit modes Three filter settings to optimize
3. dt Timer Up to 99 minutes 59 seconds Burn Mode Constant testing Ratio Calculation Pl DAR DD Calculation of R at ref T Yes Measurement Display Filter 3 filters with 3 possible time constants Graphs on Display R t V t I t V Storage 256 registers stores 80 000 points R V I and date Communication Optically isolated port for USB and RS232 links PC Software DataView software Power Supply NiMH rechargeable batteries two 9 6V 4000mAh charging by external voltage 90 to 260V 50 60Hz Battery charging allowed while performing insulation measurements 1000V CAT IV IEC61010 1 and IEC 61557 EN 61326 1 IP54 2000m 13 39 x 11 81 x 7 87 340 x 300 x 200mm approx 6 2kg excluding accessories Battery Charging Electrical Safety EMC Mechanical Protection Altitude Dimensions Weight WWW aemc com 3 CONTROL FEATURES Front Panel Features for Models 6550 amp 6999 Models 6550 and 6555 have the same front panel with differences in the display only Socket for connection to the AC i f power and recharging of the orachic LCD 3 sein built in batteries USB connector for communication to a PC Seven position rotary switch for access to the different modes fixed voltage adjustable voltage ramp and step Safety connection terminals G and nou Test voltage connection Menu terminals navigation buttons START STOP button to trigger a measurement MODEL 6550 Eight function buttons for
4. measurement stability Temperature correction of R at a reference temperature Optically isolated USB communication for transfer onto PC and report generation with FREE DataView software INSTRUMENTS Technical Assistance 800 343 1391 ITAGE FROM 40V TO 10kV 15kV gt APPLICATIONS gt Acceptance testing and preventive maintenance gt Test motors cables switchgears and electrical wiring installations gt Continuity checks gt Check domestic and industrial wiring gt SPECIFICATIONS MODELS INSULATION TESTS Test Voltage 500V 1000V 2500V 10kQ to 2000GQ 2TQ 10kQ to 4000GQ 4TQ 10kQ to 10 000GQ 10TQ 5000V 10kQ to 15 000GQ 15TQ 10 000V 10kQ to 25 000GQ 25TQ 15 000V 10kQ to 30 000GQ 30TQ 500 1000 2500 5000 5000 10 000V 10 000 15 000V Variable 40 to 10kV Variable 40 to 15kV Three user programmable Three user programmable voltage schemes voltage schemes Programmable ramps start voltage end voltage duration 40 to 1100V 40 to 1100V 40 to 10 000V 40 to 15 000V Up to 10 steps value and duration configurable for each step 0 to 2500Vac 0 to 4000Vpc 0 001 to 9 999uF 10 00 to 49 99yF 0 to 8mA Yes Automatic Fixed Test Voltages 500 1000 2500 Variable Voltages Ramp Mode Ramp Configuration Range Step Mode Voltage Measurement Capacitance Measurement Leakage Current Measurement Discharge After Test Additional Test Stop Modes Limit Programmable 0 2 to 5mA Early Break di
5. 10kV and 15kvV Digital Expert tools for VMegohmmeters safely amp accurately Models 6550 amp 6555 insulation testing gt Reset measurement raitas upto N 157000 re gi amp amp fixed voltage T g _ gt Step testing ay F Hbg ran 0 lite step with n dn gany Break tapt lt modes gt Mu iple test modes volt tage CAEN oe 5 filter choices to A Nia surement stability 1 A voltage from oy 0 10 000 15 000V a _ ye smmunication fori data Ea O po ACEA ai a Our products are backed by over 100 years of experience in test and measurement equipment and encompass the latest international standards for quality and safety J Technical Hotline 800 343 1391 cB A www aemc com HIGHSEND RORTABLE Models 6990 amp 6999 i a SAG Fhin ih MEME Model 6555 checking insulation resistance on feed cables to a three phase motor The Megohmmeter Models 6550 and 6555 are high end portable instruments intended for measuring a wide variety of electrical insulation resistance values on cables and devices operating at high voltage They are packaged in a rugged case that is IP54 rated cover closed Test results and configuration information is provided on a e Ramp voltage measurements with a ramp from graphical LCD screen as well as exportable through 40 to 10 000V or 15 000V model dependent the use of the DataVi
6. IP access to 54 configuration Rated and graph menus 3 m E BRK Test Mode Voltage and FIXED VOLTAGE Measurement Results ai sow FETT Input voltage 0 0 V DC Frequency Display of Input Current Supporting Test Results Date 2011 05 23 Time 10 11 4 Wwww aemc com Technical Assistance 800 343 1391 Q INSTRUMENTS FUNCTIONS Models 6550 amp 6555 Polarized Index PI amp Dielectric Absorption Ratio DAR Test with Programmable Duration Insulation is affected by temperature and humidity variations Moreover the appearance of disturbance currents means that the measurement is false right from the start To eliminate these influences you have to measure over the long term and calculate the PI and DAR coefficients in order to assess the quality and ageing of the insulation DD Dielectric Discharge DD Insulation measurements sometimes take a long time to stabilize because of transient disturbance currents Insulation quality can be assessed more accurately by means of long term measurements and analysis of the insulation s trend curve according to the time for which the test voltage is applied 7 Stop Test on Thresholds C LIM or di dt Early Break Automatically detect the presence of faulty insulation layers among other high resistance layers using the math programmed into the instrument DD Current measured after 1 min mA Test Voltage V x Measured Capacitance F Va
7. The alarm is enabled Test with programmed duration No stop at current limit Battery power ALARM BURN level status FIXED VOLTAGE Test Run Time 00 02 00 0 1 VDC 0 2 Hz 112 pA Time 10 31 cae Measurement function The blinking value can be modified using the ibaa Value of the next navigation arrow keys highest available Value of the next lowest test voltage available test voltage Programmed duration Value of the external of the test voltage present on the terminals and its frequency Input voltage Frequency Input Current Date 2011 05 23 Current flowing between the terminals Date and Time Example of display before measurement The measurement smoothing filtering is active with a time constant of 20 seconds DF 20s ALARM AZ I LIM Stop at current limit Value of the insulation resistance The voltage generated is gt 70VDC and therefore dangerous Current flowing between the terminals Elapsed time since the beginning of the measurement Elapsed Time 00 00 48 True value of the test voltage kQ MQ GQ 1 1 1 10 100 10 100 10 100 10 Example of display during measurement Value of the insulation resistance on the bargraph The insulation resistance is below the alarm threshold The measurement range is fixed ALARM 4 E BRK 528 V 531 nA Elapsed Time 00 01 12 DAR 30s 60s 1 00 PI 1 0m 10m
8. ew software provided The Three ramp profiles can be stored in the Megohmmeters can operate on battery or AC power instrument Each ramp profile includes the while testing starting and ending test voltage and the ramp These Megohmmeters contribute to the safety of time between the two electrical installations and equipment Their operation Step voltage measurements with steps from 40 is managed by microprocessors that acquire process to 10 000V or 15 000V model dependent Three display and store the measurements step voltage profiles can be stored in the instrument Each contains up to 10 steps that The Model 6550 makes insulation measurements at include test voltage and duration MONG ES HP Te IUN ME MOGA 2222 UP tora oO e Three test current choices Burn In Early Break Main Functions and I Limit provide qualitative analysis tools for e Detection and measurement of input voltage detection breaks in insulation frequency and current prior to running a test e Quality ratio calculations for DAR PI and DD e Quantitative and qualitative insulation measurements are calculated and disp aveg e Measurements at a fixed test voltage of 500 1000 5 Temperature correction of the measured 2500 5000 10 000 or 15 000Vpc resistance to a reference temperature e Measurements at an adjustable test voltage between e Capacitance measurement of the device tested 40 and 15 000Vpc preselected by the user prior to the e Residual current measurement
9. riable Voltage Selection In order to cover non destructive test applications the Models 6550 and 6555 can be set up to stop the tests before breakdown if an insulation fault is detected The breakdown limit may be a current I LIM or a di dt value For investigations on samples a BURN mode is provided to allow testing whatever the current reached Graph R t V t I t I V To handle all measurement environments electrical equipment telecommunications installations rotating machinery etc and measure with the greatest possible accuracy both instruments offer the V VAR rotary switch position This allows users to select a voltage among three configurable values and then cause it to vary during the test from 40 to 10 000V 15 000V in 10V steps from 40 to 1000V and in 100V steps above 1kV O Programmable Alarms If a test with a programmed duration is run the instruments automatically store the data at a rate chosen by the user The Models 6550 and 6555 can display the curves R t V t I t and I V directly on the graphic screen The curves can also be displayed on a PC screen with the DataView software Filter Function An alarm threshold can be stored When the measurement trips the alarm visual and audible alarms are triggered and displayed Storage When the measurements are unstable the filter function uses the several filters included in the instrument to smooth the display of the insulation values so
10. rs manta Hep Furcinn 3 tes pear E person 1 a E po ga i ooo ne om iw E T om om a6 8 amp eS as bit a ra 7H mE kiki Ei iwn Pe 00 PPE GEER ES 1 Real time display of measurement results Step voltage set up screen INSTRUMENTS Technical Assistance 800 343 1391 www aemc com 7 WWW Models 6350 amp 6999 include One red blue and black 9 ft 15kV integral lead one 15kV jumper lead blue one red blue and black alligator clip 1000V CAT IV one red and blue test probe 1000V CAT IV optical USB cable power cord 115V US small classic tool bag user manual and USB stick with DataView software ORDERING INFORMATION 3 CATALOG NO Megohmmeter Model 6550 Graphical Analog Bargraph Backlight Alarm Timer 500V 1000V 2500V 5000V 10kV Ramp StepV Variable Auto DAR PI DD USB w DataView software Cat 2130 31 Megohmmeter Model 6555 Graphical Analog Bargraph Backlight Alarm Timer 500V 1000V 2500V 5000V 10kV 15kV Ramp StepV Variable Auto DAR PI DD USB w DataView Software Cat 2130 32 United States amp Canada Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Blvd Foxborough MA 02035 USA 508 698 2115 Fax 508 698 2118 Customer Support for placing an order obtaining price amp delivery customerservice aemc com Sales amp Marketing Department for general sales and marketing informa
11. that you can read them more easily and interpret them more quickly E Reference Temperature The Models 6550 and 6555 are equipped with internal memory capable of storing up to 80 000 measurements Two indices OBJ object and TEST are used to store the time date stamped results in an ordered way B Voltage Ramp and Voltage Step The value of an insulation resistance varies according to the temperature at the time of the measurement For precise reliable monitoring it is always a good idea to express the result of a measurement at a given temperature of reference There is a special button to press to make the instrument perform the necessary calculation DataView Software The resistance of a faulty insulation falls as the test voltage increases This test which involves increasing the test voltage step by step helps to assess the quality of the insulation by observing the curve R V test and the result in ppm V which gives a quantitative indication of the curves slope A ramp mode with a rise time between the two values is also available EJ AEMC INSTRUMENTS Technical Assistance 800 343 1391 This software retrieves the data stored in the memory plots the trend curve R t prints the customized test protocols and creates spreadsheet files DataView configures and controls the instrument via an optically isolated link compatible with USB and RS232 www aemc com 5 FUNCTIONAL DISPLAYS
12. tion sales aemc com marketing aemc com Repair amp Calibration Service for information on repair amp calibration obtaining a user manual repair aemc com United States amp Canada continued Australia amp New Zealand All other countries Technical amp Product Chauvin Arnoux Inc Chauvin Arnoux SCA Application Support d b a AEMC Instruments 190 rue Championnet for technical and application support 15 Faraday Drive 75876 Paris Cedex 18 France techinfo aemc com Dover NH 03820 USA Tel 33 1 44 85 45 28 international aemc com Fax 33 1 46 27 73 89 Webmaster l info chauvin arnoux com for information regarding www chauvin arnoux com www aemc com webmaster aemc com South America Central America Mexico amp the Caribbean Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA export aemc com AEMC LCU souRrce For All Your Electrical Test amp Measurement Instruments Call the AEMC Instruments Technical Assistance Hotline for immediate consultation with an applications engineer 800 343 1391 Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Blvd e Foxborough MA 02035 USA e 800 343 1391 508 698 2115 Fax 508 698 2118 Export Department 603 749 6434 ext 520 Fax 603 742 2346 E mail export aemc com 950 BR 6550 6555_1012 Printed in the USA
13. top DD Co MAE m s 2 00 00 02 00 Timed Run DD DAR s s 30 60 PI m m 1 0 10 When Timed Run test with programmed duration or Timed Run DD is selected the duration of the measurement m s can be set 6 Wwww aemc com EJ AEME Technical Assistance 800 343 1391 INSTRUMENTS SOFTWARE amp ANALYSIS SCREENS NEW amp IMPROVED SOFTWARE DataView Data Analysis amp Reporting Software gt Print reports of all test results gt Select test voltage and run tests from your computer with a simple click and execute process gt Capture and display data in real time gt Retrieve data from the instrument s memory up to 80 000 insulation resistance measurements gt Display DAR PI and DD ratios ee mem gt Plot graphs of manual and timed tests gt Include your analysis comments section with the report gt Store a library of setups for different applications gt Certification of results through report generation a H Er BU ipei Vea EI _ e m E em E pani mikir oe meh eri ir dm A r gt Free updates are available Www aemc com fam Fir Senne tou Baal an m a earan t Eii mmu EH mti vom a _ ane Jei h ee im Bi fc a toe Diem ee PP iw ne E i AAE THE Aih fo he Per HC lace Sh aS HO TEs ia TH a See Clear and straight u Sete ime meio forward set up of een ta paramete
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