Megger BMM80 Series User Manual

Manual is about: Insulation Multimeters

Summary of BMM80 Series

  • Page 1

    M bmm80 series insulation multimeters user guide 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-energised and isolated before connections are made except for voltage me...

  • Page 2: General Description

    General description the megger bmm80 series instruments are battery powered insulation and continuity testers, with a measurement capability from 0,01Ω continuity to 200gΩ insulation. Offering multi-voltage facilities, the instruments take full advantage of microprocessor technology and feature a la...

  • Page 3

    Live circuit warning when more than 25v is applied to the terminals in the insulation ranges, the instrument defaults to a voltmeter will give an audible warning if a test is attempted. On all other switch positions except off/v/mv when more than 10v is applied the default voltmeter will be activate...

  • Page 4

    ‘locked on’ by pressing the key while the test button is held down. The warning will appear on the display and both buttons may be released whilst the test continues. The next press of the test button will terminate the test. Note: there is a safety delay of a few seconds on the first operation of ‘...

  • Page 5

    Will not be activated when connected to a diode. 1. Set the selector switch to Ω. 2. Connect the test leads. 3. The test will activate automatically. 4. After the test probes are disconnected, the reading will be held for a few seconds. Zeroing of test lead resistance the resistance of the test lead...

  • Page 6

    Specification even if the fuse is blown.If the voltmeter operation is in question, test the voltmeter on a known source. 1. Set the selector switch to v. 2. Connect the test leads. 3. After a short settling time, the reading will be displayed automatically. Millivolt tests (mv) the measured a.C. Or ...

  • Page 7

    And 500v phase to phase. The probe is fitted with an internal non-replaceable fuse to protect the user should the probe be used accidentally in conjunction with a test lead in the low terminal. * relates to transient overvoltage likely to be found in fixed installation wiring. Do not use the probe i...

  • Page 8

    Continuity measuring range: 0,01Ω to 99,9Ω (0 to 10Ω on analogue scale) en61557 operating range: 0,10Ω to 99,9Ω accuracy: ±2% ±2 digits open circuit voltage: 5v ±1v test current: 210ma ±10ma (0-2Ω) zero offset at probe tips: 0,10Ω typical lead resistance zeroing: up to 9,99Ω noise rejection: 1v rms ...

  • Page 9

    These tables enables this to be done quickly and easily. These will guarantee that the value being measured is greater than or less than the limit value specified as appropriate. Insulation resistance – mΩ limit min.Indicated limit min.Indicated reading reading 0,10 0,14 2,00 2,12 0,20 0,25 3,00 3,1...

  • Page 10

    Fuse 500ma (f) 500v, 32x 6mm ceramic hbc 10ka minimum. E.M.C. The instruments meet en 61326-1. Power supply battery type: 6x1,5v alkaline cells iec lr6 type or 1.2v nicd re-chargeable cells. Battery life (typical): 2100 5-sec 1kv insulation tests 3200 5-sec 500v insulation tests 4000 5-sec 250v insu...

  • Page 11

    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 i...

  • Page 12

    M 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 eugène henaff 78190 trap...