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EFD-0391 FieldMan E-Field probe, 100kHz - 6GHz
  • EFD-0391 FieldMan E-Field probe, 100kHz - 6GHz

EFD-0391 FieldMan E-Field probe, 100kHz - 3GHz

EFD-0391

Isotropic measurement of electric fields from 100kHz to 6GHz using the Field Meter FieldMan®

Description

The probe detects electric fields from 100 kHz to 3 GHz, covering the fields that occur in broadcasting, telecoms, and industry. The high sensitivity of 0.2 V/m and excellent linearity make it ideal for measuring human safety limit values in the general public domain.

The probe's interface digitally transmits the measurement data to the base unit, which has no individual influence on the measured values and therefore does not need to be calibrated. The accredited probe calibration is carried out at several frequencies. The calibration data is stored in the probe and is automatically taken into account during the measurement. If the frequency of the predominating field strength is known, a correction factor can additionally be applied to increase the measurement accuracy.

  • General public and occupational field exposure from broadcasting, telecoms and industrial equipment
  • Isotropic (non-directional) measurement
  • 64 dB dynamic without changing range
  • Excellent sensitivity starting at 0.2 V/m
  • Digital probe interface - no more meter calibration
  • Self-test of the probe interface with integrated sensor function test
  • Automatic offset correction, no zero adjustment required
  • Temperature compensation of the sensors for minimum drift and wide temperature range down to -20 °C
  • High Immunity at 50/60 Hz
  • Accredited calibration included
Product Details
EFD-0391

Data sheet

Field
E-Field
Dimensions
308 mm x 66 mm Ø
Weight
up to 100 g
Frequency range
100kHz - 3GHz
Operating conditions
-20 °C to +50 °C; up to 29 g/m³ (up to 93 % RH at +30 °C), non-condensing
Storage conditions
1K5 (IEC 60721-3) -40 °C to +70 °C
Protection class
IP54 (probe screwed on)
Type of product
FieldMan probes
Dynamic range (dB)
64dB
Measurement range, E-field
0.2 to 320 V/m (CW), 0.2 to 10 V/m (True RMS), 10 nW/cm² to 27 mW/cm² (CW), 10 nW/cm² to 0.027 mW/cm² (True RMS)
Integration time
265 ms
Type of frequency response
Flat
Continuous wave damage level
800 V/m, 170 mW/cm²
Peak damage level
8 kV/m, 17 W/cm²
Sensor type
Diode based system
Directivity
Isotropic (Tri-axial)
Spatial assessment
3 separate axes
Sampling rate
5 Hz
Temperature sensors
Integrated sensors for displaying the ambient temperature, for automatic offset compensation and for compensation of the temperature response
Self-test
Interface function test and sensor test for short circuit and interruption of diodes
Flatness of frequency response
±1 dB (1 MHz to 1 GHz); ±1.25 dB (1 GHz to 2.45 GHz)
Linearity deviation
±0.5 dB (1.2 to 200 V/m); ±0.7 dB (200 to 320 V/m); ±0.5 dB (0.00038 to 10.6 mW/cm²);±0.7 dB (10.6 to 27 mW/cm²)
Isotropic deviation
±1 dB
Temperature response
+0.1/ -0.8 dB (0 °C to 50 °C, related to 23 °C); +1.5/ -0.8 dB (-20 °C to +50 °C, related to 23 °C)
Accredited calibration
DAkkS, ILAC-MRA (DIN EN ISO/IEC 17025, IEEE Std. 1309); For measurands outside the scope, a factory calibration is performed.
Recommended calibration interval
24 months
Attachments
Download
FieldMan Brochure

FieldMan Brochure, v. NSTS 03/23 E0384B, English

Download (6.51MB)
Datasheet Probe EFD-0391

Datasheet Probe EFD-0391, v. NSTS 1122-E0385A, English

Download (311.48KB)
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