Chauvin Arnoux C.A 6550 User Manual Download Page 1

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E N G L I S H

User’s manual

C.A 6550
C.A 6555

MEGoHMMEtErS 10 kV ANd 15 kV

Summary of Contents for C.A 6550

Page 1: ...E N G L I S H User s manual C A6550 C A6555 Megohmmeters 10 kV and 15 kV...

Page 2: ...1010 2 030 for voltages of 1000V in category IV at an altitude of less than 2000m indoors with a degree of pollution of not more than 2 Failure to observe the safety instructions may result in electri...

Page 3: ...key 34 5 Configuration SET UP 35 5 1 Restoring the initial configuration 35 5 2 General parameters 36 5 3 Measurement parameters 36 5 4 Adjustment of the test voltages 37 5 5 Adjustment of the alarm...

Page 4: ...daptateur secteur fourni avec l appareil Utilisez des accessoires de branchement dont la cat gorie de surtension et la tension de service sont sup rieures ou gales celles de l appareil de mesure 600 V...

Page 5: ...tage charge of each of the batteries their voltages their charging currents their temperatures and the charging times To reduce the power to be supplied and make it possible to use the instrument duri...

Page 6: ...eys to select the language line Then use the keys to choose your language from among those proposed Charging time between 6 and 10 hours depending on the initial charge condition Battery 1 Battery 2 F...

Page 7: ...rements START STOP A r ro w k e y s f o r browsing in the graphic screen ALARM MEM CONFIG DISPLAY Activation deactivation of the alarms Programming of the alarms R e c o rd i n g o f t h e measurement...

Page 8: ...digital filtering of insulation measurements measurement of the voltage the programming of thresholds to trigger audible alarms the timer for measurement duration checks the programming of a limitatio...

Page 9: ...easurement 2 2 3 Example of display after the measurement 995 M 528 V 531 nA Elapsed Time 00 01 12 DAR 30s 60s PI 1 0m 10m Capacitance 1 00 2 201 nF RANGE E BRK ALARM Value of the insulation resistanc...

Page 10: ...A long press press maintained for more than two seconds is confirmed by a second audible beep 2 4 PC software This Pc software is used to transfer data stored in the instrument print customised test p...

Page 11: ...f these two ways is updated for both SET UP or CONFIG key 3 1 Using the leads Specific leads are supplied with the instrument To use them you must add test probes or crocodile clips also supplied with...

Page 12: ...range see 8 2 1 3 3 Insulation measurement The insulation measurement is made on an object that is not live This measurement varies greatly with the temperature and the relative humidity It is theref...

Page 13: ...U FIXED 3 3 2 With a fixed voltage Set the switch to U VAR The following screen appears There are already 3 preset voltages that can be modified in SET UP see 5 Use the keys to select one of them Vari...

Page 14: ...Input voltage Frequency Input current Date 2011 05 24 0 1 V DC 0 2 Hz 55 7 nA Time 15 31 Min 50 V Max 100 V BURN Test Run Time 00 00 30 MR U STEP U RAMP U VAR U FIXED OFF SET UP U RAMP Use the keys to...

Page 15: ...he voltages at the beginning and end of a step the number of steps and the duration of each step can be programmed using the CONFIG key see 4 3 3 3 6 Connection Depending on the measurements to be mad...

Page 16: ...ge current This reduces the influence of the operator s hands and gives a more stable measurement M Cable Connect the red high voltage lead between the braid and the terminal of the instrument Connect...

Page 17: ...t It is possible to configure the measurement using the CONFIG key Press the START STOP button to start the measurement START STOP The instrument generates the high voltage To indicate that the measur...

Page 18: ...apacitance 1 00 2 201 nF E BRK ALARM Value of the insulation resistance Value of the test voltage at the end of the measurement Type of test The alarm is active and the threshold has been crossed Dura...

Page 19: ...uivalent temperature and humidity the insulation resistance has fallen significantly the insulation is deteriorated and maintenance must be carried out on the device tested The result remains displaye...

Page 20: ...make the measurement if the peak value of this voltage is less than 0 4UN Above this value it is necessary to eliminate the voltage and repeat the measurement If an external voltage appears on the ter...

Page 21: ...ly reflect the condition good or bad of the insulation In addition long term observation of the evolution of these ratios is a way to monitor the ageing of the insulation For example that of a revolvi...

Page 22: ...00 01 00 Manual Stop Manual Stop DD Timed Run m s 2 00 Timed Run DD DAR s s 30 60 PI m m 1 0 10 Press CONFIG to confirm the new measurement configuration DAR or PI is displayed in the top left corner...

Page 23: ...ve but the resistance of all the others is high neither the quantitative insulation measurement nor the calculation of the PI and DAR quality ratios will reveal the problem This makes it judicious to...

Page 24: ...e then press the START STOP button to stop the measurement In the Timed Run DD configuration indicated by the symbol the measurement stops automatically START STOP In both cases it is necessary to wai...

Page 25: ...ade automatically during the insulation measurement and is displayed after the measurement has been stopped and the device tested has been discharged 3 8 Measurement of the residual current The measur...

Page 26: ...ess the TEMP key TEMPERATURE Air Temperature Humidity Probe Temperature Rc Reference Temperature T for R 2 C C C C R measured Rc at C 5 00 G k TEMPERATURE Air Temperature Humidity Probe Temperature Rc...

Page 27: ...ment If the U FIXED or U VAR test voltages have been chosen there are two configuration screens There is only one for the U RAMP and U STEP test voltages Press the CONFIG key CONFIG Total Run Time Man...

Page 28: ...t page of the configuration screen only the second The second configuration screen is used to choose The type of test Test Type Nondestructive test Early break The measurement will be stopped at the f...

Page 29: ...ic arc during the test or burn spot after the test The BURN symbol is displayed FIXED VOLTAGE 1000 V Input voltage Frequency Input current Date 2011 05 23 10 V AC 50 0 Hz 24 6 nA Time 10 31 BURN 500 V...

Page 30: ...500 V Setting to High is recommended when you make measurements in the presence of strong electromagnetic fields at the network frequency for example near high voltage lines If the instrument detects...

Page 31: ...V I Range Disturbance Level Auto 2 Low BURN CONFIG The following screen appears Use the and keys to modify the measurement current range CONFIG Then validate your choice by pressing the CONFIG key aga...

Page 32: ...the voltage and the resistance and time at the location of the cursor Test voltage axis Curve V t dotted line This curve is plotted using samples recorded during the measurement The keys are used to m...

Page 33: ...vate and deactivate a digital filter for the insulation measurements This filter affects only the display which is smoothed not the measurements The recorded data therefore remain raw no filter This f...

Page 34: ...hich the actions of the keys are explained This operation changes with the context setting of the switch operating mode before during or after a measurement A long press on the HELP key lets you set t...

Page 35: ...set If you accept by choosing OK the following data will be modified The audible level of the buzzer returns to 1 The automatic switching off of the instrument will occur at the end of 5 minutes The d...

Page 36: ...me can be set from 0 5 to 90 minutes in 0 5 1 and 5 minute steps 5 2 General parameters Buzzer to set the audible level of beeps 1 2 3 or Off no sound Power down automatic switching off of the instrum...

Page 37: ...voltages Always on the third SET UP screen Adjustable Voltage 1 2 and 3 to set the values of the 3 adjustable test voltages The adjustment range is from 40 to 15000V DISPLAY DISPLAY Press the DISPLAY...

Page 38: ...Ramp End 50 V 100 V 0 10 0 10 0 10 0 30 Total Run Time m s Step Ramp Functions Press the DISPLAY key to see the following screen DISPLAY Alarm Settings 500 V 1000 V 2500 V 5000 V 10000 V 15000 V Adjus...

Page 39: ...splay the curve of the measurement by a single press on the GRAPH key see 4 5 If this is not useful set Store Samples to Off If you set Store Samples to Yes you can set the Sample Time using the and k...

Page 40: ...11 05 26 09 04 10 43 10 38 15 04 14 56 2550V 1000V 500V MEMORY Store 03 01 02 02 02 01 01 02 01 01 The bargraph indicates the quantity of memory used in black the quantity of memory available in white...

Page 41: ...Time Fct 2011 05 27 10 43 02 02 R V R R V ppm V Capacitance T V 1nF Obj Test Date Time Fct 2011 05 27 10 43 02 02 Step Voltage Duration m s Step Function 1 2 3 4 5 100 V 200 V 300 V 400 V 500 V 0 10 0...

Page 42: ...ss the GRAPH key to view the curve Press the TEMP key then the key to return to the list of recorded measurements TEMP Press the GRAPH key to exit from the curve In the case of a U FIXED or U VAR meas...

Page 43: ...1 CONFIG Use the keys to select the record to be erased in the list of records in memory Press the CONFIG key The instrument requests confirmation of the deletion MEMORY WARNING O K CANCEL Selected da...

Page 44: ...r code The format of this error code is a one or two digit number This number identifies the anomaly and states what to do to put the instrument back into service Errors 1 to 9 concern problems on the...

Page 45: ...any position other than OFF The data rate must be 38 400 bauds for the instrument see 5 2 and for the PC When in communication with a PC the instrument displays REMOTE and no longer reacts to the user...

Page 46: ...000V Resolution 0 1V 1V 2V 2V Intrinsic uncertainty 1 5 pt 1 1 pt Frequency range DC or 15 500 Hz DC Input impedance 3M 8 2 2 Current Specified measurement range DC 0 000 0 399 nA 0 400 3 999 nA 4 00...

Page 47: ...0000 15000 Specified measurement range 10 999 k 1 000 3 999 M 4 00 39 99 M 40 0 399 9 M 400 3 999 G 4 00 39 99 G Resolution 1 k 10 k 100 k 1 M 10 M Intrinsic uncertainty 5 3 pt Operating error 10 6 pt...

Page 48: ...0 2 Un Intrinsic uncertainty 5 3 pt Typical discharge time of a capacitive element to reach 25Vdc Test voltage 50V 100V 250V 500V 1000V 2500V Discharge time C at F 0 25 s x C 0 5 s x C 1 s x C 2 s x C...

Page 49: ...k 100 k 1 M 10 M 100 M 1 G 10 G 100 G 1 T 10 T W 10 k 100 k 1 M 10 M 100 M 1 G 10 G 100 G 1 T 10 T 2500V range V 0 500 1000 1500 2000 2500 3000 1 E 02 1 E 01 1 E 00 1 E 01 1 E 02 1 E 03 1 E 04 1 E 05...

Page 50: ...k 100 k 1 M 10 M 100 M 1 G 10 G 100 G 1 T 10 T 10 k 100 k 1 M 10 M 100 M 1 G 10 G 100 G 1 T 10 T W 10000V range V 0 2000 4000 6000 8000 10000 12000 1 E 02 1 E 01 1 E 00 1 E 01 1 E 02 1 E 03 1 E 04 1...

Page 51: ...AR and PI terms Specified range 0 02 50 00 Resolution 0 01 Intrinsic uncertainty 5 1 pt Calculation of the DD term Specified range 0 02 50 00 Resolution 0 01 Intrinsic uncertainty 10 1 pt 8 2 5 Capaci...

Page 52: ...wise the battery will be discharged faster than it is charged In order to extend the life of your battery Charge your device only between 10 and 30 C Observe the conditions of use and storage stated i...

Page 53: ...mesure en appuyant sur le bouton STAR STOP lorsque la mesure est termin e 8 3 5 Defect message When a battery is deeply discharged or its storage temperature is low the charger may execute a prior ba...

Page 54: ...e with respect to earth 1 000Vrms Cat IV Maximum voltage between guard terminal G and the terminal 1 000Vac 8 6 1 Electromagnetic compatibility Emissions and immunity in an industrial environment per...

Page 55: ...which requires that the operating uncertainty called B be less than 30 In insulation measurements B A 1 15 E1 E2 E3 with A intrinsic uncertainty E1 influence of the reference position 90 E2 influence...

Page 56: ...er Rinse with a damp cloth and dry rapidly with a dry cloth or forced air Do not use alcohol solvents or hydrocarbons 9 1 2 REPLACING THE BATTERIES The batteries of this instrument are specific they h...

Page 57: ...set it down alongside The front panel and the electronics remain on the table Turn this part holding it by the columns or the front panel Columns Front panel Table Cover Housing Warning Do not touch...

Page 58: ...ycling collection point 6 Insert the two new batteries with the wires down and connect them The connectors are polarized to prevent connection errors 7 Put the wires carefully back in place then put t...

Page 59: ...this information is lost when the battery is disconnected Attention replacing the battery entails the loss of the stored data Erase the memory completely see 6 3 2 to be able to use the MEM MR functio...

Page 60: ...see 9 3 because another fuse which cannot be replaced has blown 9 1 4 Stockage Si l appareil n est pas utilis pendant une p riode prolong e plus de deux mois proc der une charge compl te de la batteri...

Page 61: ...oux com Sign in and open your account Then go to Software support space then Freely available software then C A 6550 and C A 6555 Connect the device to your PC using the USB cord provided The update o...

Page 62: ...the following cases Inappropriate use of the equipment or use with incompatible equipment Modifications made to the equipment without the explicit permission of the manufacturer s technical staff Work...

Page 63: ...large crocodile clip at the other P01295470 Safety lead red 8 metres long with a high voltage plug at one end and a large crocodile clip at the other P01295469 Safety lead blue 8 metres long with a h...

Page 64: ...in Arnoux Ltd Waldeck House Waldeck Road Maidenhead SL6 8BR Tel 01628 788 888 Fax 01628 628 099 ITALIA Amra SpA Via Sant Ambrogio 23 25 20050 Macherio MI Tel 039 245 75 45 Fax 039 481 561 MIDDLE EAST...

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