Biddle MIT400_UG 电路图.pdf

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1、M MIT400 Series Insulation and continuity testers USER GUIDE RadioFans.CN 收音机爱 好者资料库 2 USER GUIDE CONTENTS 1. Introduction 3 2. Safety Warnings 4 3. Symbols used on the instrument 5 4. General Description 6 Unpacking the carton 6 Carton contents (all instruments) 6 5. Preparations for use (all instr

2、uments) 7 Batteries 7 Preliminary test lead check 7 6. General operating instructions 8 General functions 8 LCD Display 9 Backlight operation 10 7. Test lead connections 11 Standard test leads 11 SP5 Switched probe (not MIT400, MIT480 and MIT40X) 11 8. AC/DC voltage and frequency measurements 12 9.

3、Insulation resistance testing - general 13 Standard insulation resistance testing 13 Insulation resistance testing timed modes t, PI and DAR 14 10. MIT40X testing 17 11. Continuity testing and buzzer 18 12. Resistance measurements (k Range) 19 13. Capacitance measurements 20 Capacitance measurement

4、procedure 20 Distance measurement by capacitance 20 14. Setup options 21 15. Saving , recalling and downloading test results. 23 Saving test results 23 Test results recall 23 PI and DAR recall. 24 16. Deleting test results 26 Procedure for deleting a single test result (refer to Figure 16) 26 Proced

5、ure for deleting all test results (refer to Figure 19) 27 Preparing your MIT430 or MIT485 for “Bluetooth” Communications 29 Preparing your MIT430 or MIT485 to your PC 29 Standard download operation 32 17. Battery and fuse replacement 32 Battery condition and replacement 32 Blown fuse indicator 33 18

6、. Preventive maintenance 33 19. Specification 34 20. Basic and service errors 36 Basic error 36 Service error: 36 21. Accessories 37 22. Repair and Warranty 39 RadioFans.CN 收音机爱 好者资料库 3 1. Introduction Thank you for purchasing the Megger insulation test instrument. For your own safety and to get the

7、 maximum benefit from your instrument, please ensure that you read and understand the following safety warnings and instructions before attempting to use the instruments. This user guide describes the operation and functions of the MIT400 series of insulation and continuity test instruments: These i

8、nstruments are designed and manufactured by: Megger Ltd Archcliffe Road Dover Kent CT17 9EN England Megger Limited reserves the right to change the specification of these instruments at any time without prior notice. RadioFans.CN 收音机爱 好者资料库 4 2. Safety Warnings MIT400 series insulation testers Safet

9、y Warnings and Precautions must be read and understood before the instrument is used. They must be observed during use. 1 The circuit under test must be switched off, de-energised, securely isolated and proved dead before test connections are made when carrying out insulation and continuity tests. 2

10、 Circuit connections and exposed-conductive-parts and other metalwork of an installation or equipment under test must not be touched during testing. 3 The live circuit warning and automatic discharge are additional safety features, which may fail, and therefore safe working practices must be observe

11、d. 4 The voltage function will only work if the instrument is functional and switched on. 5 After insulation tests, capacitive circuits must be allowed to discharge before disconnecting test leads. 6 The instrument should not be used if any part of it is damaged. 7 All test leads, probes and crocodi

12、le clips must be in good order, clean and with no broken or cracked insulation. 8 Ensure that hands remain behind guards of probes/clips when testing. 9 National Safety Authorities may recommend the use of fused test leads when measuring voltage on high-energy systems. 10 Replacement fuses must be o

13、f the correct type and rating. Failure to fit the correctly rated fuse may result in a safety hazard and may cause damage to the instrument in the event of an overload. 11 The battery cover must must be in place whilst conducting tests. NOTENOTE THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED A

14、ND COMPETENT PERSONS. Users of this equipment and/or their employers are reminded that National Health and Safety Legislation requires 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 inadve

15、rtent short circuits. Where the assessments show that the risk is significant then the use of fused test leads may be appropriate. 5 3. Symbols used on the instrument F Caution: risk of electric shock G Caution: refer to accompanying notes Displayed on the LCD during an insulation test, warns that a

16、 hazardous voltage may exist at the test lead probes also observe voltage discharges to a safe level. On battery cover see section 2.0 notes 10 and 11. At terminals do not exceed rated input voltage. Equipment protected throughout by Double Insulation (Class II) Equipment complies with relevant EU D

17、irectives Equipment complies with C tick requirements Do not dispose of in the normal waste stream G600 V Maximum input voltage 600 V rms 6 4. General Description 4.1 Case contents There are important documents that you should read and keep for future reference. Please complete the pre-paid warranty

18、 card and return it to Megger Limited as soon as possible to help us reduce any delays in supporting you should the need arise. 4.2 Case contents (all instruments) 1 x MIT400 series instrument 1 x Hard carry case 1 x Red/black test lead set with clips 5 x AA (LR6) batteries fitted 1 x Warranty card

19、1 x Calibration certificate 1 x Owners CD manual 1 x SP5 remote switched probe (Not MIT400 it shows visible damage; fails to perform the intended measurements; has been subjected to prolonged storage under unfavourable conditions, or has been subjected to severe transport stresses. NEW INSTRUMENTS A

20、RE GUARANTEED FOR 3 YEARS FROM THE DATE OF PURCHASE BY THE USER. NOTE: Any unauthorized prior repair or adjustment will automatically invalidate the Warranty. CALIBRATION, REPAIR AND SPARE PARTS For service requirements for Megger instruments contact: Megger Limited or Megger Archcliffe Road Valley

21、Forge Corporate Centre Dover 2621 Van Buren Avenue Kent CT17 9EN Norristown PA 19403 England U.S.A. Tel: +44 (0) 1304 502 243 Tel: +1 610 676 8579 Fax: +44 (0) 1304 207342 Fax: +1 610 676 8625 Megger operate fully traceable calibration and repair facilities, ensuring your instrument continues to pro

22、vide the high standard of performance and workmanship you expect. These facilities are complemented by a worldwide network of approved repair and calibration companies which offer excellent in-service care for your Megger products. Returning your product to Megger - UK and USA service centres 1. Whe

23、n an instrument requires recalibration, or in the event of a repair being necessary, a Returns Authorisation (RA) number must first be obtained from one of the addresses shown. You will be asked to provide the following information to enable the Service Department to prepare in advance for receipt o

24、f your instrument, and to provide the best possible service to you. Model, e.g. MIT400 Serial number, (e.g. 61110357050305/1234) Reason for return, (e.g. calibration required, or repair) Details of the fault (if the instrument is to be repaired) 2. Make a note of the RA number. A returns label can b

25、e emailed or faxed to you if you wish. 3. Pack the instrument carefully with plenty of padding, but no pressure on window or glass. 4. Ensure the returns label is attached, or that the RA number is clearly marked on the outside of the package and on any correspondence, before sending the instrument,

26、 carriage paid, to Megger. 5. You may track the progress of your return on line by accessing the Service/Support facilities at Approved Service Centres A list of Approved Service Centres may be obtained from the UK address shown. If outside UK/USA please consult your distributor for the most conveni

27、ent Service Organisation. 39 M Megger Limited Archcliffe Road, Dover Kent CT17 9EN England T +44 (0)1 304 502101 F +44 (0)1 304 207342 E Megger 4271 Bronze Way, Dallas, Texas 75237-1019 USA T +1 800 723 2861 (USA ONLY) T +1 214 333 3201 F +1 214 331 7399 E Megger Z.A. Du Buisson de la Couldre 23 rue

28、 Eugne Henaff 78190 TRAPPES France T +33 (0)1 30.16.08.90 F +33 (0)1 34.61.23.77 E Megger Pty Limited Unit 26 9 Hudson Avenue Castle Hill Sydney NSW 2125 Australia T +61 (0)2 9659 2005 F +61 (0)2 9659 2201 E Megger Limited 110 Milner Avenue Unit 1 Scarborough Ontario M1S 3R2 Canada T +1 416 298 9688

29、 (Canada only) T +1 416 298 6770 F +1 416 298 0848 E Megger products are distributed in 146 countries worldwide. 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. MIT400 _UG_en_V04 0207