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- Analog and Digital display of data
- Fully complies with the requirements of BS 7671, HD 384 and IEC 364
- Multiple insulation test voltages from 50 V to 1000 V d.c. (according to model)
- Remote control switched probe option
- Optional RS232 port
- Optional current clamp accessory
- Waterproof and dustproof to IP54
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The MEGGER BM80/2 Series are multivoltage insulation and continuity testers offering advanced performance, specification and features, and simplicity of use. They have insulation test voltages from 50 V to 1000 V d.c., (500 V max. on BM81/2.) The comprehensive specification is achieved using the latest electronic design and technology. |
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ELECTRICAL CONTRACTORS
- These insulation testers are designed for flexibility and versatility, they have a wide variety of applications, ideal for testing
electrical installations to the British and International Wiring Regulations. Each instrument in the series conforms to
the requirements of Table 71 A in BS 7671, and to VDE 0413 parts 1 and 4, HD384 and IEC364.
- The BM80/2 series can be used in both the domestic and industrial contracting environments. Test voltages of
250 V, 500 V and 1000 VDC are available. A 250 V insulation test voltage is necessary to test low voltage circuits
supplied by an isolating transformer. 500 VDC is the most commonly required voltage, since it is used to test all
circuits except low voltage circuits with a nominal voltage up to and including 500 V. The 1000 VDC test voltage is
used on circuits with a nominal voltage greater than 500 V and less than 1000 VDC ring final circuit conductors, and the
polarity of the conductors.
- The BM80/2 can also be used for insulation and continuity tests on transformers, motors,
generators, domestic appliances, power tools, such as electric drills, and many other pieces of electrical equipment. On high energy systems it is recommended that test leads with fused prods are used when measuring voltage.
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| Insulation Ranges |
| Test Voltages : |
50 V, 100 V, 250 V, 500 V and 1000 V
(1000 V not available on BM81/2.) |
| Measuring Range: |
| 1000 V |
range: 0–200 GΩ |
| 500 V |
range: 0–100 GΩ |
| 250 V |
range: 0–50 GΩ |
| 100V |
range: 0–20 GΩ |
| 50 V |
0–10 GΩ |
| Test voltage accuracy: |
+15% maximum on open circuit |
| Test Current on load: |
1 mA minimum at the minimum pass
values of insulation specified in BS
7671 (formerly the 16th Edition IEE
Wiring Regulations)on the 250V, 500 V
and 1000 V ranges.
50 V range: 0,2 mA at 250 kΩ
100 V range: 0,4 mA at 250 kΩ
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| Accuracy: |
| 1000 V |
±2% ±2 digits ±0.4% per GΩ |
| 500 V |
±2% ±2 digits ±0.4% per GΩ |
| 250 V |
±2% ±2 digits ±0.8% per GΩ |
| 100V |
±2% ±2 digits ±2% per GΩ |
| 50 V |
±2% ±2 digits ±4% per GΩ |
| 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: |
0,1 - 100 kΩ
(0 - 10 MΩ on analog scale) |
| Accuracy: |
± 3% ± 2 digits |
| Open circuit voltage: |
5 V ±1V |
| Short circuit current |
20 μA, ±5 μA |
| Voltage |
| Measuring Range: |
0 to 600 V AC/DC, 0 to 50 V AC/DC, |
| Accuracy: |
<450 V a.c. (50/60 Hz) and d.c.
±1%, ±2 digits
>450 V a.c. (50/60 Hz) and d.c.
±2%, ±2 digits
<450 V a.c. 400 Hz: ±5%, ±2 digits
1,0-50,0 V Range a.c./d.c.
±2%, ±3 digits |
| Default Voltmeter |
| The default voltmeter operates when
an external voltage >25 V a.c. or d.c. is
detected on any range except OFF and
. If this voltage exceeds 55 V then
insulation testing will be inhibited.
Reverse polarity d.c. will cause ‘-d.c.’ to appear on the DISPLAY. |
| Auto Shut off |
| The instrument auto shut off operates
5 minutes after the start of a test, on
all ranges, except the insulation
ranges where it operates after
12 minutes. This can be adjusted to
60 minutes for the voltage, continuity
and KΩ ranges. Selecting an
insulation range or off |
| Power |
| Battery Type:: |
6 x 1,5 V Alkaline cells IEC LR6 type |
| Battery Life: |
Typically 3000, 5 second 1 kV tests |
| Safety |
| The instruments meet the requirements
for double insulation to IEC
1010-1 (1995), EN61010-1 (1995) to
Category III, 300 V phase to earth
(ground) and 440 V phase to phase.
Over voltage measuring facilities exist
to indicate capacitive discharges.
FUSE PROTECTED TO 440 V. |
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GENERAL SPECIFICATION
Operating Range
-20 - +40 °C
Operating Humidity
90% R.H. at 40 °C max.
Storage Range
-25 - +65 °C
Environmental Protection IP54
FUSE
Type
500 mA (F) 440 V, 32 x 6 mm Ceramic
HBC 10 kA minimum.
Indication of a ruptured fuse is
provided by the symbol .
SAFETY
The instruments meet the requirements
for double insulation to IEC
1010-1 (1995), EN61010-1 (1995) to
Category III, 300 V phase to earth
(ground) and 440 V phase to phase.
Over voltage measuring facilities exist
to indicate capacitive discharges.
FUSE PROTECTED TO 440 V.
INSTALLATION CATEGORIES
Category III: Fixed wiring and
installations within a building.
AUTOMATIC DISCHARGE
When the test button is released after an insulation test the item
under test will be discharged
automatically. Any voltage present
will be indicated on the display so
that the discharge can be monitored.
POWER SUPPLY
Battery Type
6 x 1,5 V cells IEC LR6 type only.
Battery Life
3000, 5 second operations, at 1 kV
worst case
Weight
625g (1,377 lbs approx.)
Dimensions
220 x 92 x 55 mm
(5,5 in x 2,33 x 2,16 in approx.)
E.M.C
The instrument meets EN50081-1 and
EN50082-1.) |
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