General Description
The BM80/2 Series instruments are battery
powered Insulation and Continuity testers, with a
measurement capability from 0,01 Ω Continuity
to 200 GΩ Insulation.
Offering multi-voltage facilities, the instruments
take full advantage of microprocessor
technology and feature a large liquid crystal
display combining digital and analogue
readings. The analogue display has the benefit
of indicating trends and fluctuations in
readings, while the digital readout gives direct
accurate results.
The
BM80/2 Series instruments have the
unique option of either a locking or non-locking
button which is user selected. The chosen test
button is easily pushed into the instrument
casing without the use of a tool. The procedure
for inserting the test button is provided on the
separate instruction sheet included with the
test buttons.
A customized connector on the top of the
instrument enables the optional Megger
SP6F
Switched probe to be used for two handed
probe operation.
The
TEST button is used to initiate the
insulation tests, for operating the null facility
and for adjusting the auto shut-off time. Grey
markings on the range label denotes when the
use of the
TEST button is necessary. All other
tests (Voltage, Continuity and Resistance)
have the advantage of hands free operation
and are activated when the probes make
contact.
The 250 V, 500 V and 1000 V ranges can be
used to test electrical installations in
compliance with BS7671 (16th Edition IEE
Wiring Regulations) IEC364 and HD384, since
each range has a 1 mA minimum test current
at the minimum pass values of insulation
specified in these documents. The 100 V
range is ideal for testing telecommunications
equipment which would be damaged by higher
voltages. The 50 V range is useful for testing
sensitive equipment, such as electronic
components, and computer peripherals.
Available as an optional accessory, the
Megger
DLB Downloading Base can be fitted
for realtime downloading of measured test
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