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Megger Limited
Megger
Archliffe Road, Dover
PO BOX 9007, Valley Forge
Kent CT17 9EN England
PA 19484-9007 USA
T +44 (0) 1304 502 101
T +1 (610) 676 8500
F +44 (0) 1304 207 342
F +1 (610) 676 8610
OTHER TECHNICAL SALES OFFICES
Toronto CANADA, Mumbai India and BAHRAIN.
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 re g i s t e red trademark
Part No. 6172-697 V02 Printed in England 11HH
www.megger.com
M
Megger
Megger SARL
4271 Bronze Way, Dallas, Texas
29 Allée de Villemomble
75237-1017 USA
93340 Le Raincy, France
T +1 (800) 723 2861
T +33 (1) 43.02.37.54
T +1 (214) 330 3203
F +33 (1) 43.02.16.24
F +1 (214) 337 3038
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Table of Contents
Related Manuals for Megger BMM500 Series
Summary of Contents for Megger BMM500 Series
- Page 1 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 re g i s t e red trademark Part No. 6172-697 V02 Printed in England 11HH...
- Page 2 BMM500 Series Insulation & continuity testers USER GUIDE GUIDE D’UTILISATEUR t prior notice. BENUTZERANLEITUNG GUÍA DEL USUARIO...
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Page 4: Table Of Contents
Voltage Tests (V) current EU Directives. Battery Replacement Equipment must not be Fuse Checking and Replacement >600V connected to voltage sources Using the MEGGER SP1 >600V CAT II. Suitable for Switched Probe electrical installations CAT III Specification 300V to Earth... -
Page 5: Safety Warnings
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 measurement. •... -
Page 6: Description
A customised connector on the top of the address the real needs and benefits of the user. instrument enables the optional Megger SP1 The Megger BMM500 Series instruments are Switched Probe to be used for two handed battery powered Insulation and Continuity probe operation. -
Page 7: Operation
Operation Refer to Safety Wa rnings before using systems. Fused test leads are available as the instrument optional accessories for local situations where increased protection is required. Testing is automatically inhibited if: • An external voltage >55V is present when Auto-shut Off switched to any insulation range position To conserve battery life, Auto-shut Off (preceded by... -
Page 8: Insulation Tests
Operation alternatively the key can be re-pressed. 6. Remove the test leads only when no voltage is indicated. Insulation Tests (MΩ) (See fig. 1) The insulation tests apply a known voltage to Locking Test Button (ltb) the circuit under test and measure the resulting When it is desired to do a long insulation test, leakage current. -
Page 9: Automatic Discharge
Typical Terminal Voltage Characteristics Fig.1 on PI Testing and value assessment can be found in Megger Limited publications listed in the Accessories page. Continuity Testing (Ω) (See fig.2) The continuity tests are activated when the Automatic Discharge probes make contact of less than a few kΩ. -
Page 10: Zeroing Of Test Lead Resistance
Operation the reading will hold for a few seconds and then Z e roing of Test Lead Resistance reset. This range is not suitable for diode The resistance of the test leads can be nulled testing since the automatic contact detector will on the continuity range (up to 9,99Ω). -
Page 11: Continuity Bleeper
Operation Continuity Bleeper Resistance Tests (kΩ) The continuity bleeper sounds continuously This is a low voltage (5V) low current (25µA) when a resistance below the threshold level is test for sensitive electronic equipment. It detected. This can be selected from several operates in the same way as the continuity values between 2Ω... -
Page 12: Voltage Tests (V)
Measuring Other Parameters The BMM500 Series can be used to measure If the voltmeter operation is in question, test the numerous quantities from temperature to voltmeter on a known source. -
Page 13: Battery Replacement
2. Short the test leads together. 3. When the reading has stabilised, press the The BMM500 Series incorporates an electronic TEST button. The zero offset symbol contact detector to minimise the chance of will appear. -
Page 14: Using The Megger Sp1
Do not use the probe if any part of it is damaged. Using the Megger SP1 Switched Pro b e Operation: T h e Megger S P 1 is an accessory for designated Megger installation test instruments. When fitted in the specially designed connector, in place of the existing ‘Low’... -
Page 15: Specification
Specification (All quoted accuracies are at +20°C.) Insulation Ranges Nominal Test Voltage (d.c.): 2 5 0 V, 500V, 1000V Test voltage accuracy: +15% maximum on open circuit Short circuit current: < 2 mA Test Current on load: 1mAat min. pass value of insulation specified in BS7671, HD384 and IEC364, 2mAmax. - Page 16 Specification Continuity Measuring Range: 0,01Ω to 99,9Ω (0-10Ω 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...
- Page 17 Specification Vo l t a g e Measuring Range: ±1V to ±600V (0 to 1000V on analogue scale) Accuracy: 0-600V d.c. ±2% ±3 digit 0-600V a.c (50/60Hz) ±2% ±3 digits 0-600V 400Hz a.c. ±5% ±3 digits Input resistance: approx 200kΩ. Detector Threshold: M i l l i v o l t s Measuring Range:...
- Page 18 Specification Basic and service errors for Insulation and Insulation Resistance – MΩ Resistance ranges Limit Min. Limit Min. The basic error is the maximum inaccuracy of Indicated Indicated the instrument under ideal conditions, whereas Reading Reading the service error is the maximum inaccuracy 0,10 0,14 2,00...
- Page 19 Specification * Relates to the transient overvoltages likely to Continuity Resistance – Ω be met in fixed wiring installations. Limit Min. Limit Min. Complies with the following parts of EN61557, Indicated Indicated Electrical safety in low voltage systems up to Reading Reading 1000V a.c.
- Page 20 Specification POWER SUPPLY Storage temperature range: -30 to +70°C Battery Type: 6x1,5V Alkaline Calibration Temperature: +20ºC cells IEC LR6 type Maximum altitude: 2000 m or 1.2V NiCd or Dust and water protection: IP54 NiMH Temperature coefficient: <0,1% per °C re-chargeable cells.
- Page 21 S p e c i fic a t i o n Specification A C C E S S O R I E S Supplied: Part Number Test lead set 6220-437 Pouch 6420-124 Switch Test Probe 6220-606 (NA Version only) Optional: Fused lead set, FPK8 6111-218 Switch Test Probe SP1...
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Page 22: Repair And Warranty
The instrument circuit contains static sensitive Instrument Repair and Spare Parts devices, and care must be taken in handling For service requirements for Megger Instruments the printed circuit board. If the protection of an c o n t a c t : -... - Page 23 A p p roved 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.
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