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WPF Series – Isotropic True RMS E-Field Probes from 100 kHz to 90 GHz | WAVECONTROL
WPF E-field probes from 100 kHz to 90 GHz. Isotropic True RMS measurement, ISO 17025 calibration, compatible with SMP3, SMP2, MonitEM and MapEM.
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The WPF Series includes professional isotropic True RMS electric field probes designed for EMF measurements from 100 kHz up to 90 GHz depending on the model. The probes use advanced RMS diode technology and provide flat frequency response (or shaped response for specific models). Each probe is supplied with ISO 17025 accredited calibration and stores correction factors internally for automatic compensation when connected to compatible instruments.
- Isotropic 3-axis measurement
- True RMS detection
- Dynamic range up to 74 dB (model dependent)
- High field strength capability up to 1000 V/m
- Excellent 50/60 Hz attenuation
- Compatible with SMP3, SMP2, MonitEM, MonitEM-Lab and MapEM
Key Advantages
- Wide frequency coverage from LF to mmWave (model dependent)
- Suitable for 5G FR1 and FR2 measurements
- High measurement accuracy and isotropy
- Automatic frequency response correction via SMP3/SMP2
- 24-month recommended recalibration interval
- Robust construction for field and laboratory use
Measurement Technology
- Isotropic sensor configuration
- RMS diode technology
- Flat frequency response (WPF60S shaped response version available)
- Selectable integration times (model dependent: e.g. 500 ms / 4 ms FAST)
- Internal storage of ISO 17025 calibration factors
Additional Technical Characteristics
- Linearity: typically ±1 dB (model dependent)
- Temperature range: typically -10 °C to +50 °C (model dependent)
- Calibration: ISO 17025 accredited (ILAC)
- Recommended recalibration interval: 24 months
Typical Applications
- Telecommunications (GSM, UMTS, LTE, 5G FR1/FR2, WiFi)
- Industrial worker exposure assessment
- EMC laboratories and R&D
- Broadcasting sites
- Radar and aerospace installations
- Regulatory compliance measurements
Main Technical Specifications – Model Comparison
| Model | Frequency Range | Measurement Range (CW) | Dynamic Range | Integration | Axial Isotropy |
|---|---|---|---|---|---|
| WPF3 | 100 kHz – 3 GHz | 0.2 – 130 V/m | 52 dB (HP: 74 dB) | Standard | ±1.2 dB |
| WPF6 | 100 kHz – 6 GHz | 0.2 – 130 V/m | 56 dB (HP: 73 dB) | Standard | ±0.3 dB @1 GHz |
| WPF8 | 100 kHz – 8 GHz | 0.2 – 130 V/m | 52 dB (HP: 70 dB) | Standard | ±1 dB |
| WPF18 | 1 MHz – 18 GHz | 0.5 – 1000 V/m | 66 dB | 400 ms / 4 ms FAST | ±1 dB (<12 GHz) |
| WPF40 | 1 MHz – 40 GHz | 1 – 1000 V/m | 60 dB | 500 ms / 4 ms FAST | ±1 dB (<12 GHz) |
| WPF60 | 1 MHz – 60 GHz | 1 – 1000 V/m | 60 dB | 500 ms / 4 ms FAST | ±1.1 dB (<12 GHz) |
| WPF60S | 1 MHz – 60 GHz | 0.1 % – 800 % | 39 dB | Standard | ±1.5 dB (<16 GHz) |
| WPF90 | 30 MHz – 90 GHz | 1.2 – 1000 V/m | 58 dB | 500 ms / 4 ms FAST | ±1 dB (<12 GHz) |
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