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Summary of Contents for Megger MJ15
- Page 1 MEGGER ® BM15/MJ15 Insulation Testers User Guide MEGGER ® MeterCenter (800) 230-6008 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 2: Table Of Contents
Contents Guide de l’utilisateur - p.14 Gebrauchsanleitung - s.26 Guía del usuario - p.38 Safety Warnings Before using the instrument, follow the separate instructions provided to fit either the locking or non-locking test button. General Description If the locking button is fitted, extra care must be taken. See page 6. Features and Controls Working with Capacitive Loads Operation... -
Page 3: Safety Warnings
Safety Warnings • ‘Safety Warnings‘ and ‘Working with Capacitive Loads‘ must be read and understood before the instrument is used. Safety precautions must be observed during use. • The circuit under test must be switched off, de-energised and isolated before any test connections are made. -
Page 4: General Description
They are released by twisting the plug a quarter turn leakage when carrying out insulation resistance tests. and pulling out. For this reason, only the test leads supplied or suitable MEGGER ® Tests are initiated by pressing the BM15 ‘Test’ button (or by turning replacement ones should be used. -
Page 5: Features And Controls
Features and Controls Generator Handle (MJ15) Rotary Selector Switch Locking Button (Extra care must be taken if this option is Non Locking Button chosen. See page 6) (recommended option) - Terminal Guard Terminal + Terminal To insert terminal plugs, push in - To release, twist a quarter turn and pull out GlobalTestSupply www. -
Page 6: Working With Capacitive Loads
Working Safely with Capacitive loads 7. If any part of the instrument is damaged, it should not be used, but returned to the manufacturer or an approved service Circuit connections and the instrument terminals organization for repair. become hazardous when connected Capacitive loads. -
Page 7: Preliminary Checks
PRELIMINARY CHECKS Preliminary Performance Checks Battery Replacement The instrument will operate in any position, but best results are achieved when the instrument is face up, on a firm level surface. Warning This is particularly true for hand cranked units to obtain a crank speed of >180 rev/min. -
Page 8: Voltage Measurement
Choice of Test Leads Insulation Testing BM15/ MJ15 are supplied with three unfused leads terminated in After connecting the test leads to the instrument and carrying out the crocodile clips. These are the best leads to use for insulation tests Preliminary Performance Checks: on non-live circuits. -
Page 9: Using The Guard Terminal
Using the Guard terminal (G) Tightly bound bare wire For basic insulation tests and where there is little possibility of Leakage Path surface leakage affecting the measurement, it is unnecessary to use the guard terminal (if the insulator is clean and there are unlikely to be any adverse current paths). -
Page 10: Specification
500 V, 1000 V, 2500 V & 5000 V Test Voltage Accuracy: ±5% of nominal test voltages on 20 MΩ load Test Voltage Stability: <±1% (180 r.p.m. to 240 r.p.m. MJ15) Insulation Accuracy (at 0 - 30˚C): ±2,5% of scale Short Circuit Current: 1,5 mA ±... - Page 11 *Relates to transient overvoltage likely to be found in special equipment or parts of equipment, telecommunication, electronic etc. † Note: MJ15 will operate as normal by generator at full temperature range BM15 will require new healthy battery cells to operate as normal at -20˚C GlobalTestSupply www.
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Page 12: Accessories
Accessories SUPPLIED WITH THE INSTRUMENT PART NUMBER User Guide 6172-209 Battery of 8 x 1,5 V LR6 (AAAlkaline) cells Test lead set (3 x 3 m test leads) 6121-403 Test Record Card (5 supplied) 6172-111 (U.S. 210949) Carrying case with lead storage 6420-117 Slide in Pass Band overlay (5 supplied) 6121-401... -
Page 13: Repair And Warranty
M E G G E R® 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. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 14 The company reserves the right to change the specification or design without prior notice. MEGGER is a registered Trade Mark of AVO INTERNATIONAL LIMITED. Copyright © AVO INTERNATIONAL LIMITED. Part No.6172-209 - Edition 5 - Printed in England - 07GG GlobalTestSupply www.
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