• Megger

Megger® BMM80/2 Series

Premium Insulation Multimeters
BMM80

Features

  • Insulation measurement to 200 GΩ
  • 200 mA Short Circuit Current output
  • mV Transducer inputs
  • Test lead/transducer null facility
  • Backlight
  • Remote control switched probe included
  • Capacitance Measurement to 10 μF
  • AC/DC voltage measurement to 500 V
  • Waterproof and Dustproof to IP54

Description

The Megger® BMM80 Insulation Multimeter builds on the renowned features of the BM80. Advanced microprocessor technology provides a host of new features not normally associated with standard insulation and continuity testers.

The instrument utilises a large backlit LCD display incorporating a patented analogue arc which incorporates the benefits of electronic analogue indication and unambiguous digital readings. The analogue scale provides rapid identification of insulation condition highlighting any variable readings and is complemented by the precision and simplicity of the digital display

The BMM80 provides the ideal mix of features for Telecom usage or for the electrical contractor requiring the top performance and functionality but without the need for data storage and download.

IIII [+] Read More

The instrument features five insulation test voltage ranges, (50 V, 100 V, 250 V, 500 V and 1000 V), In compliance with BS7671, IEC364, HD38 and VDE0413 Parts 1 and 4, the 250 V, 500 V and 1000 V ranges have a 1 mA test current at the minimum pass levels specified. Insulation measurements extending up to 200 GΩ may be made

A live circuit warning is included to guard against inadvertent connection of the instrument to a live supply. Voltage in excess of 25 V will trigger the warning indicator

A hands free 200 mA continuity test range meeting the requirements of European legislation is also included to ensure the accurate measurement of ring circuit final conductors and primary and supplementary bonding. The range has a facility to null the resistance of the test leads ensuring that the measurement displayed is due entirely to the conductors under test. A continuity buzzer is incorporated and sounds when resistance’s below approximately 5 Ω are encountered

  • A live circuit warning is included to guard against inadvertent connection of the instrument to a live supply. Voltage in excess of 25 V will trigger the warning indicator.
  • A hands free 200 mA continuity test range meeting the requirements of European legislation is also included to ensure the accurate measurement of ring circuit final conductors and primary and supplementary bonding. The range has a facility to null the resistance of the test leads ensuring that the measurement displayed is due entirely to the conductors under test. A continuity buzzer is incorporated and sounds when resistance’s below approximately 5 Ω are encountered.
  • The insulation and continuity ranges are augmented by a number of features only to be found on a dedicated multimeter. The BMM80 series includes autoranging voltage measurement up to 500 V a.c./d.c., resistance measurement from as low as 10 m½ up to 10 M and a capacitance range extending to 10 μF.
  • By incorporating all the above features into a single unit the BMM80 can in many cases remove the need to carry a separate multimeter. In addition, for assistance in awkward situations a remote control switched probe, (Megger SP1), is also included enabling the instrument to be controlled from a probe mounted test button. The BMM80 has been designed to withstand the day to day handling and storage of a toolbag environment and comes complete with a durable test and carry case with strap, removable lead storage compartment and instrument hanging facilities. The BMM80 is backed by a three year manufacturers warranty.
  • The BMM80 features special mV ranges with an offset null facility, enabling connection of any transducer with a mV output. Such devices extend the range of possible measurements almost endlessly including such items as temperature probes, airspeed indicators and high current clampmeters thus extending the scope of the BMM80 into key industries such as Heating and ventilation (HVAC), and Servicing.
 
  • Literature
  • Specifications
 
pdf icon Description
++ BMM80/2 Specification sheet
Insulation Ranges
Test Voltages : 50 V, 100 V, 250 V, 500 V and 1000 V
Measuring Range
50V – 1000 V 0,01 MΩ to 200 GΩß(0 – 100 GΩ on analog scale)
Test voltage accuracy: +20% maximum on open circuit
Test Current on load:
1 mA at min. pass value of insulation specified in BS7671, HD384 and IEC364, 2 mA max.
Continuity Range
Measuring Range: 0,01 Ω to 99,9 Ω(0 to 10 Ω on analog scale)
Operating Range : 0,10 Ω to 99,9 Ω
Accuracy: ±2% ±2 digits
Test Current : 210 mA ±10 mA (0 – 2 Ω)
Continuity
Measuring Range: 0,01 Ω to 99,9 Ω (0-50 Ω on analog scale)
Accuracy:
±2% ±2 digits
Open circuit voltage: 5 V ±1V
Test current: 205 mA, ± 5 mA
Continuity Buzzer Operates at less than 5 Ω approx.
Resistance
Measuring Range: 0,01 kΩ to 9,99 MΩ(0 to 100 MΩ on analog scale) with Auto Ranging or Range Lock Facility.
Accuracy: ± 3% ± 2 digits
Open circuit voltage: 5 V ±1V
Short circuit current 20 μA, ±5 μA
Voltage
Measuring Range: ±1 V to ±500 V(0 to 1000 V on analog scale)
Accuracy: 0 to 500 VDC. or AC. (50/60 Hz)±2% ±3 digit 0 to 500 V 400 HzAC ± 5% ±3 digits
Millivolts
Measuring Range: ±0,1 mV to 1 ±999 mV(0 to 1000 mV on analog scale)
Accuracy: 10 mV to 1999 mV d.c. or a.c.(50/60 Hz) ±2% ±3 digit 0,1mV to 10 mV d.c. or a.c. (50/60 Hz) ±2% ±5 digits 10 mV to 1999 mV a.c. (16-460 Hz) ±5% ±3 digit 0,1 mV to 10 mV a.c. (16-460 Hz) ±5% ±5 digits
Transducer Compatibility
Virtually any mV output transducer may be connected to facilitate measurements of other parameters such as temperature, humidity etc. A unique transducer offset adjustment ensures is included.
Auto Shut off
The BMM80 feature an auto shut off facility which turns the instrument off after approximately 5 minutes, (12 minutes on insulation ranges), to conserve battery life
Power
Battery Type:: 6 x 1,5V Alkaline cells
Battery Life: Typically 3000, 5 second 1 kV tests