Test Voltages (d.c.):
500 V, 1000 V, 2500 V & 5000 V
BM21
only; 50 to 5000 V variable in 25 V steps
Accuracy (0 °C to + 30 °C):
±5% of nominal test voltages (load resistance >100 M
Ω
)
Insulation Range:
100 k
Ω
to 1 T
Ω
analogue
BM11D
: 10 k
Ω
to 500 G
Ω
digital
BM21
: 10
k
Ω
to 5 T
Ω
digital
Accuracy (0 °C to + 30 °C):
BM11D
: ±5%
1 M
Ω
to 100 G
Ω
at 5 kV
±5%
1 M
Ω
to 10 G
Ω
at 500 V
±20% outside these limits (above 100 k
Ω
)
BM21
:
±5%
1 M
Ω
to 1T
Ω
at 5 kV
±5%
1 M
Ω
to 100 G
Ω
at 500 V
±5%
1 M
Ω
to 10 G
Ω
at 50 V
±20% outside these limits (above 100 k
Ω
)
For extended temperature range -20°C to + 50°C the percentage error doubles
Short Circuit Current:
2 mA nominal
Typical Terminal Voltage Characteristics
Specification
17
Resistance under test (
Ω
)
