EFA-200/-300 12 Specifications
12-13
Background display level due to intrinsic noise and
interference
Detection mode: RMS
Typical values:
Dynamic range
The dynamic range within a given measurement range is calculated from
the difference between the dynamic range limits and the background display
level due to intrinsic noise in the relevant measurement range.
Physical constraints result in a higher background display level when the
built-in B-Field Probe and the external 3 cm diameter B-Field Probe are
used. This can mean that the sensitive measurement ranges can only be
used sensibly with the 100 cm
2
cross-sectional area probe.
Setting B field unit E-Field Unit
(EFA-300
only)
100 cm
2
probe
(2245/90.10)
Built-in probe 3 cm probe
(2245/90.20)
5 Hz to 2 kHZ
< 45 nT @
≤ 48 Hz
< 4 nT @
> 48 Hz
< 0.05 nT @
intrinsic noise
< 400 nT @
≤ 48 Hz
< 42 nT @
> 48 Hz
< 2 nT @
intrinsic noise
< 260 nT @
≤ 48 Hz
< 23 nT @
> 48 Hz
< 2 nT @
intrinsic noise
< 0.3 V/m @
≤ 48 Hz
< 0.1 V/m @
> 48 Hz
< 0.02 V/m @
intrinsic noise
40 Hz to 32 kHz
< 2 nT @
< 200 Hz
< 0.3 nT @
200 Hz to
20 kHz
< 0.6 nT @
> 20 kHz
< 0.07 nT @
intrinsic noise
< 22 nT @
< 200 Hz
< 11 nT @
200 Hz to
20 kHz
< 11 nT @
> 20 kHz
< 1.5 nT @
intrinsic noise
< 10 nT @
200 Hz
< 2 nT @
200 Hz to
20 kHz
< 3 nT @
> 20 kHz
< 0.3 nT @
intrinsic noise
< 0.1 V/m @
≤ 20 kHz
< 3 V/m @
> 20 kHz
< 0.05 V/m @
intrinsic noise
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