Narda STS EFD-0691 E-Field Probe (100 kHz ~ 6 GHz)

Frequency range: 100 kHz to 6 GHz

Type of frequency response: Flat

Measurement range (nom.):

0.2 to 650 V/m (CW)

0.2 to 17 V/m (True RMS)

10 nW/cm² to 112 mW/cm² (CW)

10 nW/cm² to 0.077 mW/cm² (True RMS)

Dynamic range (nom.): 70 dB

CW damage level (nom.): 1000 V/m | 265 mW/cm²

Peak damage level (nom.): 10 kV/m | 26 W/cm²

Sensor type: Diode based system

Directivity: Isotropic (Tri-axial)

Spatial assessment: 3 separate axes

Sampling rate / integration time (nom.): 5 Hz / 265 ms

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

Uncertainty

Flatness of frequency response:

+1.0/-1.5 dB (0.3 MHz to 1 MHz)

±1.0 dB (1 MHz to 1 GHz)

±1.5 dB (1 GHz to 4 GHz)

-1.8 dB (typ. @ 5 GHz)

Linearity deviation (nom.): ±0.5 dB (2.2 to 316 V/m) | ±0.5 dB (0.0013 mW/cm² to 26.5 mW/cm²)

Isotropic deviation: ±1 dB (0.1 MHz to 4 GHz), ±1.5 dB (> 4 GHz to 6 GHz)

Temperature response (nom.): -20°C to +50°C (related to 23°C)

General Specifications

Accredited calibration: DAkkS, ILAC-MRA (DIN EN ISO/IEC 17025, IEEE Std. 1309). For measurands outside the scope, factory calibration is performed.

Recommended calibration interval: 24 months

Operating temperature: -20°C to +50°C

Humidity: <29 g/m³ (<93% RH at +30°C), non-condensing

Ingress protection: IP54 (probe screwed on)

Climatic conditions:

Storage: 1K5 (IEC 60721-3) -40°C to +70°C

Transport: 2K4 (IEC 60721-3) -40°C to +70°C

Operating: 7K2 (IEC 60721-3) extended to -20°C to +50°C

Size: 308 mm × 66 mm

Weight: <100 g

Datasheet