Chauvin Arnoux C.A 6550 Скачать руководство пользователя страница 25 | Manualshive

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3.6.2. INtErPrEtAtIoN of tHE rESULt

Value of dd

Quality insulation

7 < DD

Very poor

4 < DD < 7

poor

2 < DD < 4

Borderline

DD < 2

Good

3.7. CAPACItANCE MEASUrEMENt

The capacitance measurement is made 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 measurement of the residual current flowing in the device tested is made automatically as soon as the connection to the
device tested is made, then during and after the insulation measurement.

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Содержание C.A 6550

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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