Atec Narda-EFA300 - Manual (Page 4)

32 narda Safety Test Solutions an communications company USA • Germany • Italy
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Electric and Magnetic Field Measurement
Specifications
magnetiC (b-) fielD
eleCtriC (e-) fielD
100 cm² Probe internal Probe 3 cm Probe
Sensor System Coil (internal or external) Plate Electrode
Measurement Axis, selectable Tri-Axial (Isotropic) or Single Axis
FIELD STRENGTH MODE
Frequency
Range
Broadband (+0/-3 dB),
selectable
5 Hz to 2 kHz, 30 Hz to 2 kHz, 5 Hz to 32 kHz or 30 Hz to 32 kHz
Band Pass / Band Reject
Filter, adjustable
15 Hz to 2 kHz (resolution 0.1 Hz)
Detection, selectable
RMS (averaging time 1 sec.)
Peak Value (proper phase)
Measurement
Range
Nominal 100 nT to 32 mT 100 nT to 32 mT 100 nT to 32 mT 10 V/m to 100 kV/m
Damage Level
(Peak)
Damage Level (Peak) 91 mT a @ ≤125 Hz 91 mT a @ ≤625 Hz 91 mT a @ ≤625 Hz 280 kV/m
Damage Level (Peak) a
For magnetic field
probes depending on
frequency
Noise Level
(RSM), typical
Broadband,
30 Hz to 2 kHz
4 nT 100 nT 20 nT 0.7 V/m
Broadband,
5 Hz to 32 kHz
10 nT 200 nT 50 nT 4.5 V/m
Band Pass Filter,
50 Hz to 400 Hz
0.8 nT 25 nT 5 nT 0.14 V/m
Uncertainty,
typical b
Broadband,
5 Hz to 2 kHz
±3% @ ≥40 nT ±5% @ ≥1µT ±4% @ ≥200 nT ±3% @ ≥5 V/m
Broadband,
5 Hz to 32 kHz
±3% @ ≥80 nT ±8% @ ≥2 µT ±5% @ ≥400 nT ±3% @ ≥40 V/m
Band Pass Filter, 50 Hz
to 400 Hz
±3% @ ≥10 nT ±5% @ ≥250 nT ±4% @ ≥50 nT ±3% @ ≥1 V/m
a The upper limit decreases linearly with increasing frequency above the mentioned frequency.
Overload limit for 100 cm² Probe =
Overload limit for 3 cm and internal Probe 100 cm² Probe =
b Uncertainty includes all partial uncertainties (absolute, linearity, frequency response, and isotropy) as well as temperature and humidity related deviations.
Signal sinusoidal, level >10% of selected measurement range; additional uncertainties apply with the steep frequency band limits.
efa-300 field analyzer
8000 mT • Hz
Frequency
( ) • √ 2
40000 mT • Hz
Frequency
( ) • √ 2