Electric and magnetic field probe - isotropic True RMS measurement from 1 Hz to 400 kHz: WP400 | Wavecontrol

The WP400 is a low-frequency electromagnetic field probe designed for electric and magnetic field measurement from 1 Hz to 400 kHz.

It provides isotropic True RMS measurement and spectrum analysis capability for applications requiring accurate assessment of electromagnetic exposure in industrial, energy and railway environments.

The probe uses a 100 cm² sensor and is compatible with SMP3 and SMP2 field meters, making it suitable for field measurements, workplace exposure assessments and compliance-oriented EMF investigations.

Advantages

• Electric and magnetic field measurement: one probe for E-Field and H-Field assessment in the low-frequency range.
• Wide frequency coverage: measurement range from 1 Hz to 400 kHz.
• Isotropic measurement: designed for 3-axis field assessment with reduced orientation dependency.
• True RMS response: suitable for accurate broadband exposure measurements.
• Spectrum analysis capability: FFT mode for frequency analysis, total field and axis display.
• 100 cm² sensor: adapted to exposure assessment requirements in low-frequency electromagnetic fields.
• Standards-based evaluation: supports measurements in accordance with international standards and limits.
• ISO 17025 accredited calibration: supplied with accredited calibration for traceable measurement confidence.

Main characteristics

• Part number: WWP1001.
• Field types: electric field and magnetic field measurement.
• Sensor type: isotropic patented electrodes.
• Frequency range: 1 Hz - 400 kHz for electric field and magnetic field.
• Field Strength Mode, electric field range: 1 V/m to 100 kV/m.
• Field Strength Mode, magnetic field range: 50 nT - 30 mT at 50 Hz and 50 nT - 10 mT from 100 Hz to 10 kHz.
• Magnetic field range behaviour: upper range increases linearly with decreasing frequency below 100 Hz and decreases linearly with increasing frequency above 10 kHz.
• Graphical display in Field Strength Mode: RMS, axis values, AVG, MAX, MIN, PEAK and RMS time graph.
• Peak value: digital realtime display.
• Electric field resolution: below 0.4 mV/m above 8 Hz.
• Magnetic field resolution: below 0.1 nT at 50 Hz and below 0.05 nT above 100 Hz.
• Electric field noise level: below 1 V/m from 10 Hz to 400 kHz.
• Magnetic field noise level: below 50 nT from 10 Hz to 400 kHz.
• Weighted Peak Method measurement range: 200% minimum.
• Weighted Peak Method display: PEAK (%), AXIS VALUES (%), AVG (%), MAX (%), MIN (%), RMS (%) and time graph.
• Standards and limits: EU Directive 2013/35/EU, IEEE, ICNIRP and BGV B11.
• Software update capability: easy update for future modifications and additional limits.
• Compatibility: SMP3 and SMP2 field meters.

Typical applications

• Power grid: measurement of exposure to electromagnetic fields at transformer stations and high-voltage lines.
• Railway environments: measurement of EM fields in trains and railway infrastructure with respect to human exposure.
• Industrial facilities: assessment of worker exposure to electromagnetic fields in manufacturing environments.
• Workplace exposure assessment: evaluation of low-frequency E and H fields against applicable occupational limits.
• Standards-based EMF investigations: measurements related to EU Directive 2013/35/EU, IEEE, ICNIRP and BGV B11 limits.
• Spectrum analysis: frequency-domain investigation of low-frequency electromagnetic field components.

Why choose WP400

The WP400 is suitable for technical users who need a single probe for electric and magnetic field measurement in the 1 Hz to 400 kHz range.

Its isotropic True RMS measurement, FFT spectrum analysis and Weighted Peak Method capability support detailed EMF exposure evaluations in demanding field conditions.

With ISO 17025 accredited calibration, compatibility with SMP3 and SMP2, and support for recognized international standards, WP400 is adapted to professional electromagnetic field measurement campaigns in energy, railway and industrial applications.