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EFD-1891 FieldMan E-Field probe, 2MHz - 18GHz
  • EFD-1891 FieldMan E-Field probe, 2MHz - 18GHz

EFD-1891 FieldMan E-Field probe, 2MHz - 18GHz

EFD-1891

Isotropic measurement of electric fields from 2 MHz to 18 GHz using the Field Meter FieldMan®

Kuvaus

The probe detects electric fields from 2 MHz up to 18 GHz. This area covers the frequencies used for broadcasting, as well as applications for telecommunications, satellite communications and radar technologies. The probe’s high linearity and sensitivity make it ideal for checking human safety limit values in the general public and occupational environments. Two variants are available. A normal version with higher 50/60 Hz immunity and a version with fast response time and switchable integration time for pulsed signals.

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. Probe calibration is carried out at several frequencies and is accredited for the entire range. 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. 

  • Isotropic (non-directional) measurement
  • Excellent sensitivity starting at 0.6 V/m
  • Wide True RMS range up to 65 V/m
  • Fast response version available
  • 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
  • Wide temperature range from -20 °C to +50 °C
  • Accredited calibration included
Tuotetiedot
EFD-1891

Lisätiedot

Kenttä
Sähkökenttä
Taajuusalue
2MHz - 18GHz
Suojausluokka
IP54 (probe screwed on)
Tuotteen tyyppi
FieldMan probes
Dynaaminen alue (dB)
62.5
Mittausalue, E-kenttä
0.1 μW/cm² to 1.12 mW/cm² typ. (True RMS)
0.1 μW/cm² to 170 mW/cm² (CW)
0.6 to 65 V/m typ. (True RMS)
0.6 to 800 V/m (CW)
Type of frequency response
Flat
Jatkuva aaltovauriotaso
1100 V/m; 320 mW/cm²
Huippuvaurio
1400 V/m; 520 mW/cm²
Anturin tyyppi
Diode based system
Suuntaus
Isotrooppinen (kolmiakselinen)
Tila-arviointi
3 separate axes
Näytteenottotaajuus
Part no. 2462/02: 5 Hz / 265 ms (with higher 50/60 Hz immunity)
Part no. 2462/23: 5 Hz / 265 ms and 900 Hz / 2.3 ms switchable
Lämpötila-anturit
Integrated sensors for displaying the ambient temperature, for automatic offset compensation and for compensation of the temperature response
Itsetestaus
Interface function test and sensor test for short circuit and interruption of diodes
Taajuusvasteen tasaisuus
+1/-1.5 dB (10 MHz to 3 GHz)
+2/-1.5 dB (more than 3 GHz to 11 GHz)
Lineaarisuuden poikkeama
±0.5dB (4 to 300 V/m)
±0.5dB (4.2 μW/cm² to 24 mW/cm²)
±0.5dB (4.2 μW/cm² to 24 mW/cm²)
±2dB (0.1 to 4.2 μW/cm²)
±2dB (0.6 to 4 V/m)
±2dB (300 to 800 V/m)
Isotrooppinen poikkeama
±1 dB (10 MHz to 5 GHz)
Suositeltu kalibrointiväli
24 kuukautta
Liitteet
Lataa
FieldMan Brochure

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

Lataa (6.51MB)
Datasheet Probe EFD-1891

Datasheet Probe EFD-1891, v. NSTS 0723-E0398A, English

Lataa (221.51KB)
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