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EFD-5091 FieldMan E-Field probe, 300MHz - 50GHz
  • EFD-5091 FieldMan E-Field probe, 300MHz - 50GHz

EFD-5091 FieldMan E-Field probe, 300MHz - 50GHz

EFD-5091

Isotropic measurement of electric fields from 300MHz to 50GHz using the Field Meter FieldMan®

Description

The probe contains three orthogonally-arranged thermo-couple sensors and detects electric fields from 300 MHz to 50 GHz, covering the fields found in telecommunications, satellite communications and radar equipment. The use of thermocouples naturally results in a true RMS reading, making the probe particularly suitable for measuring human safety limit values in a multi-frequency environment.

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.

  • Measurement of field exposure from telecommunications, satellite communications and radar in working environments
  • True RMS value display even when several, strongly pulsed signals are superimposed
  • Isotropic (non-directional) measurement
  • 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
  • Lowest temperature response due to thermocouple sensor technology and wide temperature range down to -20 °C
  • High Immunity at 50/60 Hz
  • Accredited calibration included
Product Details
EFD-5091

Data sheet

Field
E-Field
Dimensions
308 mm x 66 mm Ø
Weight
up to 100 g
Frequency range
300MHz - 50GHz
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)
37 dB
Measurement range, E-field
8 to 614 V/m (True RMS); 17 μW/cm² to 100 mW/cm² (True RMS)
Integration time
270 ms
Type of frequency response
Flat
Continuous wave damage level
1200 V/m; 0.4 W/cm²
Peak damage level
20 kV/m; 100 W/cm²
Sensor type
Thermocouple
Directivity
Isotropic (Tri-axial)
Spatial assessment
Combined 3-axis (RSS)
Sampling rate
5 Hz
Temperature sensors
Integrated sensors for displaying the ambient temperature and for automatic offset compensation
Self-test
Interface function test and sensor test for interruption of the sensors
Flatness of frequency response
±1.5 dB (1.8 GHz to 26.5 GHz); +1.5/-2 dB (up to 26.5 GHz to 40 GHz)
Linearity deviation
±1 dB (19.5 to 61.4 V/m); ±0.3 dB (less than 61.4 V/m); ±1 dB (0.1 to 1 mW/cm²) ±0.3 dB (less than 1 mW/cm²)
Isotropic deviation
±1 dB (0.6 GHz to 10 GHz); ±1.2 dB (10 GHz to 45.5 GHz)
Temperature response
±0 dB
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-5091

Datasheet Probe EFD-5091, v. NSTS 1122-E0389A, English

Download (308.76KB)
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