Insulation & Continuity Testers - BM400/2 Series User Guide Guide
Contents
1. Symbols used on the instruments are Caution risk of electric shock Caution refer to accompanying documents Equipment protected throughout by Double Insulation Class II Equipment complies with current EU Directives RO gt GENERAL DESCRIPTION The BM400 2 Series instruments are battery powered Insulation and Continuity testers with a measurement capability from 0 01 Q Continuity to 999 MA Insulation Offering multi voltage facilities the instruments take full advantage of microprocessor technology and feature a large liquid crystal display combining digital and analogue readings The analogue display has the benefit of indicating trends and fluctuations in readings while the digital readout gives direct accurate results A customized connector on the top of the instrument enables the optional Megger SP1 Switched probe to be used for two handed probe operation Available as an optional extra the Megger DLB Downloading Base can be fitted for realtime downloading of measured test results to a Personal computer via an RS232 serial lead The optional miniature clip on current transducer MCC10 enables the instrument to measure a c currents from 1 Ato 10 A with a resolution of 0 1 A Designed to IEC1010 1 the BM400 2 Series are protected against connection to a 440 V Category III supply The instruments have a basic accuracy of 2 at 20 C The instruments are waterproof and dustproot to IP54 This helps maintain accuracy2. Edition 11 Printed in England 1103 www megger com Guide de l utilisateur CONSIGNES DE SECURITE D sexciter et isoler le circuit avant d effectuer des connexions pour proc der a des essais l exception des mesures de tensions BM400 2 BM401 2 et BM403 2 seulement Ne pas toucher au circuit pendant un essai d isolation Apr s des essais d isolation attendre que les circuits capacitifs se soient d charg s avant de d brancher les conducteurs d essai Les conducteurs d essai y compris leurs pinces crocodile doivent tre en bon tat et propres et leur isolation ne doit pas tre bris e ou fissur e Le voltm tre et la fonction de d charge automatique doivent tre consid r s comme des fonctions suppl mentaires de s curit et ne doivent pas remplacer les pratiques normales de travail en toute s curit Les fusibles de rechange doivent tre du type et de la capacit nominale n cessaires Les organismes officiels britanniques charg s de la s curit recommandent l utilisation de conducteurs d essai prot g s par un fusible pour mesurer la tension de circuits forte nergie Vous devez lire et comprendre tous les avertissements et pr cautions avant de se servir de cet instrument II faut galement les respecter pendant l emploi de cet instrument NOTA L INSTRUMENT NE DOIT ETRE UTILISE QUE PAR DES PERSONNES COMPETENTES ET FORM E Avant de vous servir de cet instrument vous devez respecte
3. Category III 300 Volts phase to earth 440 Volts phase to phase without the need for separately fused test leads If required fused test leads are available as an optional accessory The BM402 2 and BM404 2 do not incorporate a voltage range and must not be intentionally connected to live circuits Relates to transient overvoltage likely to be found in fixed installation wiring FUSE Use only a 500 mA F 440 V 32 x 6 mm ceramic fuse of high breaking capacity HBC 10 kA minimum Glass fuses MUST NOT be fitted E M C In accordance with 1EC61326 including amendment No 1 POWER SUPPLY Battery Type 6 x 1 5 V Alkaline cells IEC LR6 type only Battery Life Typically 3000 5 second operations at 1 kV ENVIRONMENTAL CONDITIONS Altitude Up to 2000 m Pollution degree 2 Operating Range 20 to 40 C Operating Humidity 90 R H at 40 C max Storage Range 25 to 65 C Temperature Coefficient lt 0 1 per C on all ranges WEIGHT 625g DIMENSIONS 220 mm x 92 mm x 55 mm CLEANING Wipe with a clean cloth dampened with soapy water or Isopropyl Alcohol IPA ACCESSORIES Supplied Part Number User Guide 6172 189 Test lead set 6220 437 Zip up carrying case 6420 132 Optional Fused lead set FPK8 6111 218 Test amp carry case 6420 112 Switch Probe SP1 6220 606 Miniature Clip on A C Current Transformer MCC10 6111 290 Test Record Card pack of 20 6111 216 Publications A Stitch in Time AVTM21 P8B Note Users of
4. used in the OFF position INSULATION TESTS MO Insulation tests operate only when the TEST button is pressed Grey labelling denotes where it is necessary to press the test button To prevent damage to the instrument from accidental connection to a live circuit the test button must not be pressed or locked down before connecting to the item under test 1 Set the selector switch to the test voltage required 2 Connect the test leads first to the instrument and then to the isolated item under test 3 Press the TEST button to activate the test voltage Take the reading 4 Release the TEST button at the end of the test The reading will hold for a few seconds 5 Capacitive circuits charged during a test will automatically discharge The Live Circuit Warning is displayed If significant voltage remains 6 Remove the test leads only when no voltage is indicated Note There is a safety delay of 3 seconds on the first operation on the 1000 V range each time the range is selected Automatic Discharge When the test button is released after an insulation test a 250 kQ resistor is automatically switched across the terminals to discharge the item under test Any voltage present will be indicated on the display so that the discharge can be monitored except on the BM402 2 and BM404 2 which will display a flashing V Polarization Index Testing Pl All insulation ranges can be used for PI testing Pl is the resista
5. Insulation amp Continuity Testers Megger BM400 2 Series User Guide Guide de l utilisateur Gebrauchsanleitung Guia del Usuario SAFETY WARNINGS Safety Warnings and Precautions must be read and understood before the instrument is used They must be observed during use The circuit under test must be de energized and isolated before connections are made except for voltage measurement BM400 2 BM401 2 and BM403 2 only Circuit connections must not be touched during a test After insulation tests capacitive circuits must be allowed to discharge before disconnecting the test leads The default voltmeter and automatic discharge are additional safety features and should not be regarded as a substitute for normal safe working practice Test leads and crocodile clips must be in good order clean with no broken or cracked insulation Replacement fuses must be of the correct type and rating See Specification U K Safety Authorities recommend the use of fused test leads when measuring voltage on high energy systems NOTE THE INSTRUMENTS MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT PERSONS Before using the instrument follow the separate instructions provided to fit either the locking or non locking test button Megger Limited recommend the fitting of the non locking test button Hands free operation is provided on all ranges except the insulation ranges If the locking button is fitted extra care must be taken
6. and ensures maximum reliability in harsh environments Refer to Safety Warnings before using the instrument OPERATION Testing is automatically inhibited if An external voltage gt 55 V is present when switched to any Insulation position An external voltage gt 25 V is present on all other ranges excluding Voltmeter position The external voltage is indicated on the display flashing V on the BM402 2 amp BM404 2 and the bleeper sounds intermittently Auto shut Off To conserve battery life Auto shut Off preceded by a series of bleeps operates after 12 minutes of instrument inactivity in all insulation test switch positions and after 5 minutes of instrument inactivity in all other switch positions If desired the 5 minute shut off can be changed to 60 minutes non insulation test switch positions To do this first perform a battery check then press the TEST button twice to show gt 60 If an insulation test or OFF is subsequently selected the shut off time reverts to the default times It is therefore not possible to generate dangerous voltages for more than 12 minutes even with a locking test button To restore operation after Auto shut Off select OFF followed by the required switch position Note Auto shut Off has a small power consumption and it is recommended that the instrument is switched to off when not in use This is particularly important at the end of the working day since no battery power is
7. cuadrante anal gico puede ser basculado entre la base por omisi n de 0 to 500 V 1 V de resoluci n and O to 50 V 0 1 V de resoluci n pulsando el bot n de TEST 1 Poner el selector en V 2 Conectar los conductores de prueba 3 Despu s de un breve periodo de ajuste aparece autom ticamente la lectura
8. d U S A Tel 44 0 1304 502243 Tel 1 610 676 8579 Fax 44 0 1304 207342 Fax 1 610 676 8625 or an approved repair company Approved Repair Companies A number of independent instrument repair companies have been approved for repair work on most Megger instruments using genuine Megger spare parts Consult the Appointed Distributor Agent regarding spare parts repair facilities and advice on the best course of action to take Returning an Instrument for Repair If returning an instrument to the manufacturer for repair it should be sent freight pre paid to the appropriate address A copy of the Invoice and of the packing note should be sent simultaneously by airmail to expedite clearance through Customs A repair estimate showing freight return and other charges will be submitted to the sender if required before work on the instrument commences Megger Archcliffe Road Dover Kent CT17 9EN Tel 44 0 1304 502100 England Fax 44 0 1304 207342 4271 Bronze Way Dallas Tel 1 800 723 2861 U S A only TX 75237 1088 Tel 1 214 333 3201 International U S A Fax 1 214 331 7399 Z A Du Buisson de la Couldre 23 rue Eug ne Henaff 78190 TRAPPES Tel 33 0 1 30 16 08 90 FRANCE Fax 33 0 1 34 61 23 77 This instrument is manufactured in the United Kingdom The company reserves the right to change the specification or design without prior notice Megger is a registered trademark Part No 6172 189
9. elect either Continuity range 2 Short the test leads across a known good conductor 3 When the reading has stabilized press the TEST button A short bleep will sound and will appear 4 To cancel the zero offset press the test button again or switch OFF VOLTAGE TESTS V Except BM402 2 8 BM404 2 The measured a c or d c voltage is indicated on the display Pressing the TEST button will toggle the analogue scale display between the default of 0 to 500 V 1 V resolution and 1 to 50 V 0 1 V resolution When a c volts are detected the symbol will appear next to the V The presence of negative d c is indicated by dec on the display but no reading is given If the voltmeter operation is in question test on a known source 1 Set the selector switch to V 2 Connect the test leads 3 After a short settle time the reading will be displayed automatically Live Circuit Warning When more than 25 V is applied to the terminals the instrument defaults to a voltmeter on all switch positions except OFF and Battery Check In addition the bleeper will sound on all switch positions except OFF and V All selected tests will be inhibited except for Insulation tests which will remain available until the voltage exceeds 55 V Note The BM402 2 amp BM404 2 which do not have a voltage range will bleep and display a flashing V Testing is inhibited BATTERY CHECK IF To measure and display the battery voltage under s
10. f nach Abschlu der Pr fung wieder loslassen Der Me wert wird etwa 3 Sekunden lang angezeigt 5 Alle kapazitiven Kreise die w hrend eines Tests geladen werden werden anschlie end automatisch entladen Wenn hohe Spannungen bestehen bleiben wird die Spannungsskala erscheinen um die Entladung verfolgen zu k nnen 6 Die Me kabel d rfen erst dann abgenommen werden wenn keine Spannung mehr angezeigt wird Durchgangspr fung 1 Den Wahlschalter auf Q stellen 2 Die MeBkabel anschlieBen 3 Der Test wird automatisch ablaufen Beim Anschlu an lt 10MQ erscheint der Zeiger Durchgangsmelder amp 1 Den Wahlschalter auf A stellen 2 Die MeBkabel anschlieBen 3 Bei Feststellung von lt 5Q ert nt zun chst der Summer und anschlie end wird der Widerstandswert angezeigt Wenn der Widerstand lt 1kQ und gt 5Q betr gt ert nt ein unterbrochenes Summersignal Null Leitungsabweichung Wenn eine Durchgangsstellung gew hlt wurde kann der Leitungswiderstand genullt werden so daB der tats chliche Widerstand des jeweils gepr ften Teils gemessen werden kann 1 Einen Durchgangsbereich w hlen 2 Die MeBkabel kurzschlieBen am besten ber einen Metallgegenstand 3 Den Testknopf bet tigen Ein kurzer Piepston wird zu h ren sein und das Null Abweichung Zeichen wird erscheinen P 4 Um die Null Abweichung aufzuheben den Testknopf nochmals bet tigen oder das Instrument abschalten Widerstandspr fung 1 Den Wahlsc
11. halter auf Q stellen 2 Die Me kabel anschlie en 3 Der Test wird automatisch ablaufen Spannungspr fung nicht bei BM402 2 und BM404 2 Das Instrument ist f r 440 VAC oder DC gesch tzt Durch Dr cken des Schalters TEST kann die analoge Skalenanzeige vom StandardmaBstab 0 bis 500 V 1 V Aufl sung and 0 to 50 V 0 1 V Aufl sung und zur ck eingestellt werden 1 Den Wahlschalter auf V stellen 2 Die MeBkabel anschlie en 3 Nach einer kurzen Anpassungszeit wird das Ergebnis automatisch angezeigt Gu a del Usuario ADVERTENCIAS DE SEGURIDAD Se debe desactivar desconectar el circuito antes de hacer las conexiones para cualquier tipo de prueba excepto para medir el voltaje No tocar ninguna parte del circuito durante la prueba Despu s de las pruebas de aislamiento se debe dejar que los circuitos capacitativos se descarguen antes de desconectar los conductores de prueba El voltimetro y funci n de descarga autom tica se ver como caracter sticas extras de seguridad y no como sustituto de la pr ctica normal sobre seguridad en el trabajo Los conductores de prueba deben estar en buena condici n limpios y sin que el aislamiento est averiado ni rajado Los fusibles de repuesto tienen que ser del tipo y capacidad correctos Las Autoridades Brit nicas de la Seguridad recomiendan el uso de conectores de prueba con fusible cuando se midan tensiones en sistemas de alta energ a Se deben leer y entender las advertencia
12. imulated load conditions select battery check The analogue arc represents the remaining battery life If an external voltage gt 1 V is detected the display will flash and the bleeper will sound Battery Replacement When the low battery symbol appears the cells are nearly exhausted and should be replaced as soon as possible To install or replace the cells disconnect the test leads switch the instrument to OFF and loosen the captive screws holding the battery compartment cover in place Remove the cover and lift out the cells Ensure that the replacement cells are fitted with the correct polarity in accordance with the label in the battery compartment Replace and re secure the battery compartment cover Remove the cells if the instrument is not going to be used for an extended period of time Fuse Checking and Replacement To check the instrument fuse switch to an insulation range and press the TEST button The symbol will appear if the fuse is ruptured Note The voltmeter will continue to operate for voltages greater than 100 V at 50 Hz To replace the fuse disconnect the test leads switch the instrument OFF and loosen the captive screws holding the battery compartment cover in place Remove the cover and replace the fuse of the correct type and rating Replace and re secure the battery compartment cover SPECIFICATION INSULATION RANGES BM400 2 BM401 2 BM403 2 BM402 2 BM404 2 Nominal test 500 V 500 V 250 V 500 V V
13. nce value after 10 minutes divided by the resistance value after 1 minute More detailed information on PI Testing and value assessment can be found in AVO International publications listed in the Accessories CONTINUITY TESTING Q Continuity tests are activated when the probes make contact The test operates without the need to press the TEST button This range is not suitable for diode testing 1 Set the selector switch to Q 2 Connect the test leads The pointer will appear when connection to lt 10 MQ is made 3 The test will activate automatically 4 After the test probes are disconnected the reading will be held for a few seconds CONTINUITY BLEEPER A The Continuity bleeper sounds continuously when less than 5 Q is detected Short bleeps will sound for resistances lower than a few kQ and above 5 Q If contact to less than 5 Q is maintained for five seconds the bleeper stops and the display shows the measured resistance 1 Set the selector switch to 2 Connect the test leads RESISTANCE TESTS kQ This is a low voltage 5 V low current 20 HA test for sensitive electronic equipment It operates in the same way as the Continuity ranges This range can be used for diode testing 1 Set the selector switch to KQ 2 Connect the test leads 3 The test will activate automatically Zeroing of Test Lead Resistance The resistance of the test leads can be nulled on the Continuity ranges up to 9 99 2 1 S
14. oltage d c 1000 V 1000 V Measuring Range 0 01MQ to 999 MQ on all ranges 0 to 10 GQ on analogue scale Terminal Voltage d c 15 maximum on open circuit Short Circuit Current lt 2 mA Test Current on Load 1 mA at min pass values of insulation specified in BS7671 HD384 and IEC 364 2 mA max Accuracy at 20 C 2 2 digits CONTINUITY RANGES Measuring Range 0 01Q to 99 9 Q 0 to 50 Q on analogue scale Open Circuit Voltage 5 V 1 V Short Circuit Current 205 mA 5 mA Accuracy at 20 C 1Q to 9 99 Q 2 2 digits 109 to 99 9 Q 5 Zero Offset Adjust 0Q to 9 99 Q Continuity Beeper Operates at less than 5 Q RESISTANCE RANGE can be used for diode testing Measuring Range 0 1kQ to100 KQ 0 to10 MQ on analogue scale Open Circuit Voltage 5V 1V Short Circuit Current 20 yA 5 pA Accuracy at 20 C 5 2 digits TYPICAL TERMINAL VOLTAGE CHARACTERISTICS 1000 900 800 700 600 LOU TT 1000v LL u soov VOLT dc 300 4 250V 00 01 1 10 100 1000 RESISTANCE M9 VOLTAGE RANGE Analogue Scale Measurement Scale Accuracy above 1 V 0 to 500 V 0 to 450 V d c or a c 50 60 Hz 1 2 digits 450 to 600 V d c or a c 50 60 Hz 2 2 digits 0 to 450 V 400 Hz a c 5 2 digits 1 0 to 50 V 1 0 to 50 0 V d c or a c 50 60 Hz 2 3 digits SAFETY The instruments meet the requirements for double insulation to IEC 1010 1 1995 EN 61010 1 1995 to
15. r les consignes s par es qui sont fournies afin de monter un bouton d essai a verrouillage ou sans verrouillage La soci t Megger Limited recommande de monter le bouton d essai sans verrouillage Cela permet d obtenir un functionnement avec les mains libres sur toutes les plages l exception des plages d isolation En cas de montage du bouton sans verrouillage il faut faire tr s attention Symboles utilis s sur cet instrument Attention risque de choc lectrique Attention Consultez les notes jointes Equipement proteg par un isolement double ou renforc Classe II Cet quipement respecte les directives en viguer de l UE Au gt FONCTIONNEMENT Nous vous signalons que les essais d isolation ne fonctionnent que tant que la pression sur le bouton d essai se maintient L tiquette grise indique l emplacement sur lequel il faut appuyer pour obtenir cette pression sur le bouton d essai Voir les Avertissement de S curit avant d utiliser Pinstrument ESSAIS D ISOLATION 1 Amener le s lecteur sur la tension d essai requise 2 Brancher les conducteurs d essai tout d abord sur l instrument puis sur le composant isol qui doit faire l objet de cet essai 3 Appuyer sur le bouton d essai pour activer la tension d essai 4 Relacher le bouton d essai la fin de ce test Les r sultats se maintiennent pendant environ trois secondes 5 Sides circuits capacitifs ont t charg s pendant un es
16. s y precauciones antes de usar el instrumento Es imprescindible su observaci n durante el uso NOTA LOS INSTRUMENTOS SOLO DEBERAN UTILIZARLOS PERSONAS COMPETENTE CAPACITADAS Y COMPETENTES Antes de utilizar el instrumento siga las instrucciones que est n incluidas para asegurar o desasegurar el bot n de prueba Megger Limited recomienda la instalaci n del bot n de prueba desasegurado Todos los rangos disponen del funcionamiento sin la intervenci n del operador excepto los rangos de aislamiento Debe tenerse mucho cuidado cuando est instalado el bot n de seguro S mbolos utilizados en instrumento Precauci n peligro de sacudidas el ctricas Precauci n H gase referencia a los notas que se adjuntan Equipo totalmente protegido mediante aislamiento doble o reforzado Clase II ao ee El equipo cumple con las Directrices UE actuales FUNCIONAMIENTO N tese que la pruebas de aislameinto solamente funcionan cuando se pulsa el bot n de prueba A Consultar los avisos de seguridad antes de usar el instrumento Prueba de aislamiento 1 Poner el selector en la prueba de voltaje que se desea 2 Conectar los conductores primero al instrumento luego al elemento aislado que se desea probar 3 Pulsar el bot n de prueba para activar el voltaje de prueba 4 Liberar el bot n al acabar la prueba La lectura se mantendr durante unos 3 segundos 5 Cualquier circuito capacitativo que se carga durante la prueba
17. sai ils se d chargent automatiquement S il y a une tension r siduelle notable l chelle de tension appara t et la d charge est surveill e 6 Ne d brancher les conducteurs d essai que lorsqu il n y a plus de tension affich e ESSAIS DE CONTINUIT 1 Amener le s lecteur sur Q 2 Brancher les conducteurs d essai 3 Cet essai se d clenche automatiquement Lors d un branchement sur gt 10Q l aiguille appara t AVERTISSEUR SONORE DE CONTINUIT A 1 Amener le s lecteur 2 Brancher les conducteurs d essai 3 Lorsqu une r sistance de lt 5Q est d tect e la sonnerie se d clanche puls la valeur de cette r sistance vient s inscrire Si cette r sistence est inf rieure 1kQ mais sup rieure 5Q la sonnerie se d clenche de fa on intermittente ESSAIS DE R SISTANCE 1 Amener le s lecteur sur KQ 2 Brancher les conducteurs d essai 3 L essai se d clenche automatiquement D rive nulle des conducteurs La r sistance des conducteurs peut tre annul e afin de mesurer la r sistance r elle du composant faisant l objet de cet essai 1 S lectionner l une des plages de Continuit 2 Mettre les conducteurs d essai en court circuit de pr f rence en utilisant un objet m tallique comme 3 Appuyer sur le bouton d essai Un bip sonore bref se fait entendre et le symbole de d rive nulle appara t Gey 4 Pour abandonner cette fonction de d rive nulle appuyer une deuxi me reprise sur le bo
18. se descarga autom ticamente Si persiste un voltaje significativo aparece la escala de voltaje y se monitorea el voltaje 6 Retirar los conductores de prueba solamente cuando no se indica voltaje Prueba de continuidad 1 Poner el selector en la posici n Q 2 Conectar los conductores de prueba 3 La prueba se activa autom ticamente Cuando se realiza la conexi n a lt 10MQ aparece el apuntador Zumbador de continuidad 1 Poner el selector en A 2 Conectar los conductores de prueba 3 Cuando se detecta lt 5Q suena la alarma y aparece la lectura de la resistencia Si la resistencia es lt 1kQ y gt 5Q se produce un sonido intermitente Ajuste de cero Cuando se selecciona una u otra escala de continuidad se puede poner la resistencia del conductor en cero para poder medir la resistencia real del elemento que se prueba 1 Seleccionar una u otra escala de Continuidad 2 Hacer un cortocircuito de los conductores de prueba preferiblemente mediante un objeto de metal 3 Pulsar el bot n de prueba Sonar un bip y se visualizar el ajuste a cero EY 4 Para liberar el ajuste a cero pulsar el bot n de prueba nuevamente o apagar el instrumento Prueba de resistencia 1 Poner el selector en KQ 2 Conectar los conductores de prueba 3 La prueba se activa autom ticamente Prueba de voltaje excepto los modelos BM402 2 y BM404 2 El instrumento est protegido para 440 V C A o C C El visualizor de
19. this equipment and or their employers are reminded that Health and Safety Legislation require them to carry out valid risk assessments of all electrical work so as to identify potential sources of electrical danger and risk of electrical injury such as from inadvertent short circuits Where the assessments show that the risk is significant then the use of fused test leads constructed in accordance with the HSE guidance note GS38 Electrical Test Equipment for use by Electricians should be used REPAIR AND WARRANTY The instrument circuit contains static sensitive devices and care must be taken in handling the printed circuit board If the protection of an instrument has been impaired it should not be used and be sent for repair by suitably trained and qualified personnel The protection is likely to be impaired if for example the instrument shows visible damage fails to perform the intended measurements has been subjected to prolonged storage under unfavourable conditions or has been exposed to severe transport stresses New Instruments are Guaranteed for 1 Year from the Date of Purchase by the User Note Any unauthorized prior repair or adjustment will automatically invalidate the Warranty Instrument Repair and Spare Parts For service requirements for Megger Instruments contact Megger Limited or Megger Archcliffe Road Valley Forge Corporate Center Dover 2621 Van Buren Avenue Kent CT17 9EN Norristown PA 19403 Englan
20. tischen Systemen Warn und Sicherheitshinweise m ssen vor Verwendung des Instrumentes unbedingt gelesen und w hrend der Verwendung beachtet werden ANMERKUNG DIESES INSTRUMENT D RFEN NUR VON AUSREICHEND GESCHULTEN UND KOMPETENTEN PERSONEN BEDIENT WERDEN Beachten Sie vor Einsatz des MeBinstruments bitte die gesondert mitgelieferte Anleitung zur Montage der verriegelnden bzw nichtverriegelnden Pr ftaste Megger Limited empfiehlt die Montage der nichtverriegelnden Pr ftaste F r alle Bereiche mit Ausnahme der nichtisolierenden Bereiche ist f r freihandigen Betrieb gesorgt Bei Verwendung der nichtverriegelnden Taste ist Vorsicht geboten Auf Diesem G rat verwendete Symbole Vorsicht Elektroschockgefahr Vorsicht Bitte beiliegende Anmerkungen beachten Die Anlage ist rundum durch doppelte oder verst rkte Isolierung Klasse II geschutzt Die Anlage entspricht den gegenw rtig CE g ltigen EU Direktiven BEDIENUNG Bitte beachten Sie daB die Isoliertests nur bei gedr ckter Pr ftaste funktionieren Die Notwendigkeit zum Dr cken der Pr ftaste wird durch graue Etikettierung angezeigt Wenden Sie sich vor dem Einsatz des Instruments an sie Sicherheitshinweise Isolationspr fung 1 Den Wahlschalter auf die gew nschte Pr fspannung stellen 2 Die Me kabel zuerst am Instrument und dann an dem zu pr fenden Teil anschlieBen 3 Den Testknopf bet tigen um die Pr fspannung einzuschalten 4 Den Testknop
21. uton d essai ou mettre l instrument sur la position Arr t ESSAIS DE TENSION sauf sur BM402 2 et BM404 2 Cet instrument b n ficie d une protection jusqu 440 V c a ou c c L affichage analogue peut tre commut de l chelle par d faut de 0 500 V r solution 1 V and O to 50 V r solution 0 1 V en appuyant sur le bouton TEST 1 Amener le s lecteur sur V 2 Brancher le conducteur d essai 3 Apr s une br ve p riode de stabilisation les r sultats viennent automatiquement s afficher Betriebsanleitung SICHERHEITSHINWEISE Bevor die MeBanschl sse hergestellt werden ist die Schaltung abzuschalten und zu isolieren Dies gilt nicht f r Spannungsmessungen Die Schaltung darf nicht ber hrt werden wenn Isolationsmessungen vorgenommen werden Nach Abschlu der Isolationsmessungen sind kapazitive Kreise zu entladen bevor die Me kabel abgeklemmt werden Das Voltmeter und die automatisch Entladevorrichtungsollten als zusatzliche Sicherheitseinrichtungen und NICHT ALS ERSATZ f r die Ublichen Vorsichtsma Bnahmen zur Arbeitssicherheit verstanden werden Testkabel inklusive Krokodilklemmen m ssen in Ordnung und sauber sein und d rfen keine Br che bzw Risse in der Isolation aufweisen Ersatzsicherungen m ssen vom korrekten Typ sein und dem jeweils zutreffenden Nennwert entsprechen Die britischen Sicherheitsbeh rden empfehlen die Verwendung von abgesicherten Me kabeln beim Messen von Spannungen an hochenerge
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