Biddle BM220_SER_UG 电路图.pdf

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1、Insulation clean, and with no broken or cracked insulation. Replacement fuses must be of the correct size, type and rating. NOTE THE INSTRUMENTS MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT PERSONS. Symbols used on the instrument: Caution: risk of electric shock Caution: refer to accompanying

2、 notes Equipment protected throughout by Double Insulation (Class II) Equipment complies with relevant EU Directives RadioFans.CN 收音机爱 好者资料库 All variants of the BM220 series of instruments have the following features: 1mA Insulation test current 200mA Continuity test with lead zeroing facility Combi

3、ned curved Analogue / Digital display Continuity Beeper Auto shut off Display Back light Low Battery indication In addition, particular models have the following features: OPERATION Preliminary Test lead check 1.Before each use of the instrument, visually inspect the test leads, prods and crocodile

4、clips to confirm that their condition is good, with no damaged or broken insulation. 2. Check continuity of the test leads by firmly shorting the leads together and read the test lead resistance. measurement directly from the display. Backlight operation 1.Turn the instrument backlight On by selecti

5、ng the position. 2.When the backlight is activated, select the desired test position. 3.On completion, select the OFF position to de-activate the backlight and conserve battery life. Continuity Testing 1.Turn the instrument On by selecting the range. 2.If required, zero test lead resistance by firml

6、y shorting both leads together, wait for the reading to stabilise and press the test button. Display of the symbol confirms lead zeroing. Note: Lead zeroing cancels each time the instrument is switched off, or Auto shut off operates. 3.Connect the test probes to the isolated circuit under test. 4.Th

7、e display shows the resistance value. (Maximum 99,9) 5.On completion switch to OFF position. Alternatively auto shut off operates after 5 minutes of instrument inactivity. Continuity BeeperOn the position, a continuous beep note sounds when the test leads make contact with resistance less than 5. f

8、contact is maintained, beeping ceases after a few seconds and the resistance value is displayed. Resistance greater than 5 is indicated by an intermittent beep note. BM221BM220BM223BM224BM227 * 250 Volt Insulation * 500 Volt Insulation * 1000 Volt Insulation * Default Voltmeter * Visual Voltage Warn

9、ing Leads Nulled Low Battery Fuse Ruptured Refer to Safety Warnings before using the instrument DISPLAY FEATURES High Voltage 1000V 100 200 100 M 300 10 M 400 1 M V 100k 500 0 1 GDefault Voltage RadioFans.CN 收音机爱 好者资料库 Insulation Testing 1. Turn the instrument On by selecting the M range. 2. Connect

10、 the test probes to the isolated circuit under test. 3.Press and hold the push button; the display shows the insulation value.The reading will remain displayed for a few seconds after the push button is released. As an additional safety feature, instruments with 1000V range will flashsymbol before p

11、erforming a test. 4. Release the push button before removing the test leads (to enable the instrument to discharge the circuit under test). 5.On completion switch to the OFF position. Alternatively auto shut off operates after 12 minutes of inactivity. SPECIFICATION Insulation Test Voltage Accuracy:

12、-0% + 30% (over full operating temperature) into 0 to 1mA load Measuring Range:0,01M - 999M (Digital) 0,1M - (Analogue) Short Cct. Current:Less than 2mA Accuracy (at 20C): 3% 2 digits up to 10M 5% 2 digits up to 100M 30% up to 999M Output Noise Voltage:Typically 2V pk to pk at 20kHz (at 1mA load) Hu

13、m Rejection:200mA) 10 100 5% 2 digits (ISC20mA) Lead res. comp:0 to 9,99 Hum Rejection:3% error with 1V RMS (0,2 to 50) Continuity Beeper:On position, the beeper sounds at 5 resistance Environmental Conditions Temperature Coefficient: 0,1% per C Temperature Range: Operating: -20C to +40C (full measu

14、rement range) -20C to +60C (to 100 M maximum) Storage:-25C to +65C Humidity: 90% RH at 40C max General Specifications Display:3 digit L.C.D. Maximum reading 999 Auto Shut off: Operates after 5 minutes of inactivity by the instrument in Continuity position and 12 minutes in Insulation position. Beep

15、notes pre-empt auto shut off. The instrument can be switched back on by pressing the test button, or by selecting OFF and then the required position. Default Live Circuit Warning (BM221; BM222; BM223 and BM227) When more than 25 V is applied to the terminals, the instruments default to a voltmeter o

16、n all switch positions except OFF and . In addition, the beeper 1000V 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 0,01M0,1M1,0M 10M100M Load Terminal Voltage 1000 V Range 500 V Range 0.5M 250 V Range 0,2M0,5M 1M2M5M 0,2M 0,5M 1M 2M 5M 10M Minimum Indicated Value Terminal Characteristics

17、Limiting Value RadioFans.CN 收音机爱 好者资料库 will sound on all switch positions except OFF and. All selected tests will be inhibited except for Insulation tests, which will remain available until the voltage exceeds 55 V. (BM224 will beep and display a flashing V. Testing is inhibited). Default Voltmeter

18、Ranges: 25V - 450V a.c. 50/60 Hz 2% 3 digits 450V - 600V a.c. 50/60 Hz 3% d.c. - unspecified Automatic Discharge: Capacitive circuits are automatically discharged when the test button is released following an insulation test. Power Supply:6 x 1,5V cells IEC LR6 type only. Battery life:Typically 3000

19、 x 5 second operations (worst case, with not selected). Battery cells should not be left in an instrument which may remain unused for extended periods of time. Low Battery Indicator: The low battery indicator symbol will appear when the battery cells are exhausted. Battery Replacement:The rear cover

20、 must not be opened if the test leads are connected. To remove the rear cover, release the screw at the bottom of the cover and lift the cover upwards.To avoid the possibility of shock, do not press the test button or touch the fuse when changing batteries. Fuse:500 mA (F) H.B.C.10 kA min (32mm x 6m

21、m) To check this fuse, select M, open circuit the test leads and press the test button until a reading is obtained. Display of the fuse symbol or an error code indicates a ruptured fuse. Located behind the rear cover, this fuse can be replaced by the user. The rear cover must not be opened if test l

22、eads are connected. The replacement fuse must be of the correct type and rating. To avoid the possibility of shock, disconnect the battery before touching the fuse. Safety: The instruments meet the requirements for double insulation to IEC 1010-1 (1995) EN 61010-1 (1995) to Category III*, 300 Volts

23、phase to earth, 440 Volts phase to phase, without the need for separately fused test leads. *Relates to transient overvoltage likely to be found in fixed installation wiring. E.M.C.In accordance with IEC61326 including amendment No. 1 Weight:530g (including batteries) Dimensions:195mm x 98mm x 40mm.

24、 Cleaning:Wipe disconnected instrument with a clean cloth dampened with soapy water or Isopropyl Alcohol (IPA). ACCESSORIES SuppliedPart Number User Guide6172-231 Synthetic zip-up pouch6420-132 Test leads, prods it shows visible damage; fails to perform the intended measurements; has been subjected

25、to prolonged storage under unfavourable conditions, or has been subjected to severe transport stresses. NEW INSTRUMENTS ARE GUARANTEED FOR 3 YEARS FROM THE DATE OF PURCHASE BY THE USER. Note: Any unauthorized prior repair or adjustment will automatically invalidate the Warranty. INSTRUMENT REPAIR AN

26、D SPARE PARTS For service requirements for Megger Instruments contact :- Megger LimitedorMegger Inc. Archcliffe Road Valley Forge Corporate Center Dover 2621 Van Buren Avenue Kent, CT17 9ENNorristown, PA 19403 EnglandU.S.A. Tel: +44 (0) 1304 502243Tel: +1 (610) 676-8579 Fax: +44 (0) 1304 207342Fax:

27、+1 (610) 676-8625 or an approved repair company. Approved Repair Companies. A number of independent instrument repair companies have been authorised for repair work on most Megger Instruments, using genuine Megger spare parts. Consult the Appointed Distributor / Agent regarding spare parts, repair f

28、acilities, 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 airm

29、ail 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. Note Users of this equipment and or their employers are reminded that Health and Safety Legislation require the

30、m 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 accorda

31、nce with the HSE guidance note GS38 Electrical Test Equipment for use by Electricians should be used. Megger Limited Archcliffe Road Dover Kent, CT17 9EN.Tel: + 44 (0) 1304 502100 England.Fax: + 44 (0) 1304 207342 4271 Bronze Way DallasTel: +1 (800) 723-2861 (U.S.A. only) TX 75237-1017Tel: +1 (214)

32、330-3203 (International) U.S.A.Fax: +1 (214) 337-3038 PO Box 9007 Valley Forge PA 19484-9007Tel: +1 (610) 676-8500 U.S.A.Fax: +1 (610) 676-8610 Megger SARL 29 Alle de Villemomble, 93340 Le Raincy ParisTel: +33 (1) 43.02.37.54 FranceFax: +33 (1) 43.02.16.24 This instrument is manufactured in the Unit

33、ed Kingdom. The company reserves the right to change the specification or design without prior notice. Megger is a registered trademark. Part No. 6172-231 - Edition 9 - Printed in England - 09HH Guide Utilisateur REMARQUE lUTILISATION DE CES INSTRUMENTS DOIT ETRE RESERVEE A UN PERSONNEL FORME ET COM

34、PETENT. Symboles utiliss sur linstrument Risque de choc lectrique Consulter le Guide de lutilisateur quipement entirement protg par un isolement double (Classe II). quipement conforme aux Directives en vigueur de lUE. Mode DEmploi Vrification prliminaire des cbles dessai 1.Avant chaque utilisation d

35、e linstrument, inspecter visuellement les cbles dessai, les sondes et les pinces crocodiles pour confirmer quils sont en bon tat, et que leur isolement nest pas cass ou fissur. 2.Vrifier la continuit des cbles dessai en court-circuitant fermement les cbles et en lisant leur mesure de rsistance direc

36、tement sur laffichage. Rtro-clairage 1.Mettre le rtro-clairage de linstrument en service “ON” en slectionnant la position. 2.Lorsque le rtro-clairage est activ, slectionner la position dessai requise. 3.A la fin de lessai, slectionner la position “OFF” pour dsactiver le rtro-clairage et conserver le

37、s piles. Essai de continuit 1.Mettre linstrument en service “ON” en slectionnant la gamme . 2.Si ncessaire, mettre zro la rsistance des cbles dessai en court-circuitant fermement les cbles, attendre que la lecture se stabilise et presser le bouton dessai. Laffichage du symbole confirme la mise zro.

38、Nota: La mise zro des cbles est annule chaque fois que linstrument est arrt ou que la fonction Arrt automatique est active. 3.Brancher les sondes dessai sur le circuit isol tester. 4.Laffichage indique la valeur de la rsistance. (Maximum 99,9 ). 5.A la fin de lessai, slectionner la position “OFF”. S

39、inon, la fonction darrt automatique sera active aprs 5 minutes dinactivit de linstrument. Avertisseur de continuit - Sur la position , un tonalit continue est mise lorsque les cbles dessai sont en contact avec des rsistances infrieures 5 . Si le contact est AVERTISSMENTS RELATIFS A LA SECURITE Le ci

40、rcuit tester doit tre coup, dsexcit et isol avant dentreprendre les essais disolement ou de continuit. Le bouton dessai ne doit pas tre press pendant le branchement des cbles dessai. Le voyant Voltage ne fonctionne pas si OFF ou est slectionn. Pendant un essai disolement, le circuit ne doit pas tre

41、touch. Aprs les essais disolement, laisser dcharger les circuits capacitifs avant de dbrancher les cbles dessai. Les cbles dessai, les sondes et les pinces crocodiles doivent tre en bon tat, propres et avec un isolement sans cassures ni fissures. Les fusibles de rechange doivent tre de la dimension,

42、 du type et de la puissance nominale corrects. Les avertissements et prcautions de scurit doivent tre lus et compris avant dutiliser linstrument. Ils doivent tre observs pendant lusage. Consulter les avertissements relatifs la scurit avant dutiliser linstrument maintenu, la tonalit cesse aprs quelqu

43、es secondes et la valeur de la rsistance est affiche. Les rsistances suprieures 5 sont signales par une tonalit intermittente. Essai disolement 1.Mettre linstrument en service “ON” en slectionnant la gamme M. 2.Brancher les sondes dessai sur le circuit isol tester. 3.Presser et tenir appuy le bouton

44、 dessai; laffichage indique la valeur de lisolement. La lecture restera affiche pendant quelques secondes aprs le relchement du bouton dessai. En scurit supplmentaire sur les instruments ayant une gamme de 1000V, le symbole clignotera avant deffectuer un essai. 4.Relcher le bouton poussoir avant de

45、dbrancher les cbles dessai (pour permettre linstrument de dcharger le circuit test). 5.A la fin de lessai, slectionner la position “OFF”. Sinon, la fonction darrt automatique sera active aprs 12 minutes dinactivit de linstrument. Spcifications Gnrales Affichage:LCD, 3 chiffres. Lecture maximum 999.

46、Arrt automatique: Fonctionne aprs 5 minutes dinactivit en position Continuit, ou 12 minutes en position Isolement. Une tonalit prcde larrt automatique. Linstrument peut tre remis en marche en appuyant sur le bouton dessai, ou en slectionnant “Off” puis la position requise. Avertissement par dfaut de

47、 circuit sous tension: (BM221; BM222; BM223 et BM227) Lorsquune tension suprieure 25V est applique aux bornes, linstrument se transforme par dfaut en voltmtre pour toutes les positions lexception de “OFF” et . En outre, lavertisseur retentit pour toutes les positions lexception de “OFF” et . Tous le

48、s essais slectionns seront inhibs lexception des essais disolement, qui resteront disponibles jusqu ce que la tension dpasse 55V. (Sur le BM224 la tonalit est mise et un “V” clignote sur laffichage. Les essais sont inhibs). Gammes de voltmtre par dfaut: 25V - 450V c.a. 50/60 Hz 2% 3 chiffre. 450V -

49、600V c.a. 50/60 Hz 3%. c.c. non spcifi. Dcharge automatique: Les circuits capacitifs sont automatiquement dchargs lorsque le bouton dessai est relch aprs un essai disolement. Alimentation lectrique: 6 piles 1,5V type IEC LR6 seulement. Dure des piles: Dure typique 3000 oprations de 5 secondes (pire cas, non slectionn). Les piles ne doivent pas tre laisses dans un instrument qui est inutilis pendant de longues priodes. Indicateur de dcharge des piles: Le symbole de dcharge des piles apparat lorsque les piles sont puises. Remplacement des piles: Le co