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The HF-B3G meter is expertly designed for precise measurement and monitoring of Radio-Frequency electromagnetic field strength. Calibrated meticulously across the frequency range of 50MHz to 3.5GHz, it ensures accurate readings for a wide spectrum of applications.

  1. Comprehensive Measurement: This meter covers electric field strength (V/m), computed magnetic field strength (mA/m), and computed power density (mW/m² and μW/cm²).

  2. Effortless Operation: Easily power on by pressing the designated button. Change the measuring unit with a simple push, enabling seamless transitions between measurement types.

  3. Application Versatility: Ideal for a wide array of scenarios, including maintenance in areas with active electromagnetic fields, RF wave strength measurement, radiation power density assessment, and more.


  • Frequency range: 38mV to 20V/M
  • Measurement range: 50MHz to 3.5GHz
  • Sensor axis display selection: Triple Axis (X,Y,Z)
  • Directional characteristic: Isotropic, Tri axis
  • Units: mV/m , V/m , µA/m , mA/m , µW/m2 , mW/m2 , µW/cm2
  • Manual Data Memory: Read storage: 200 data sets.
  • Sampling Time: 1.5 times per second
  • Display resolution: 0. 1mV/m, 0.1µA/m, 0.001µW/m2, 0.001µW/cm2
  • Display value: Instantaneous measured value, maximum value, average value, or maximum average value
  • Calibration factor CAL: adjustable


  • Data Hold function
  • Over Load indication
  • Low battery indication
  • Clock LCD display
  • Analog bar graph
  • Auto Power Off Time function
  • Alarm function: adjustable threshold with ON/ OFF

Who Utilizes an HF-EMF Meter?

HF-EMF meter empowers individuals to make informed decisions about managing their exposure to electromagnetic fields for their personal well-being.


  1. Workplace Safety: HF-EMF meters are often used in industrial settings to assess the levels of HF-EMF radiation around machinery, wireless devices and equipment, ensuring compliance with safety regulations.
  2. Environmental Monitoring: HF-EMF meters can be used to assess the levels of EMF radiation in specific environments, such as residential areas, schools, hospitals, and public spaces. This can help identify potential exposure concerns.
  3. Health Concerns: Individuals who are concerned about electromagnetic hypersensitivity (EHS) can use HF-EMF meters to measure radiation levels in their living spaces and make adjustments to reduce exposure.


High-frequency radiation can be found in various environments and is generated by a wide range of devices and technologies. Here are common sources and places where you can encounter high-frequency radiation:

Meter Application: Sources of High-Frequency RF Emissions

Bluetooth Devices

Bluetooth-enabled devices, such as headphones, speakers, and smartwatches, use high-frequency RF signals for short-range wireless communication.

Wi-Fi Routers

Wireless routers and access points use high-frequency RF signals to create Wi-Fi networks for internet connectivity in homes, offices, and public spaces.

Mobile Phones

Smartphones and other mobile devices use high-frequency RF signals to communicate with cell towers and other devices.

Microwave Ovens

Microwave ovens use high-frequency RF signals (2.4 GHz) to cook food by emitting microwaves that heat and cook the contents.

Alarms, Sensors and Security Cameras

HF RF signals are used in wireless alarm systems, motion detectors, door/window sensors for communication between sensors and control panels and, in wireless security cameras for transmitting video and audio data to receivers or recording devices.

Smart Meters

Smart meters used for electricity, gas, and water monitoring emit electromagnetic radiation. EMF meters can measure the radiation levels near smart meters and help people understand their exposure.

Satellite Comms & Radar Systems

Satellites use high-frequency RF signals to transmit data for various purposes, including weather forecasting, and global positioning systems (GPS).

Television and Radio Broadcasting

Television and radio stations broadcast their signals using high-frequency RF waves to reach receivers in homes and vehicles.

Comparison Chart HF-B3G HF-B8G

Radio Frequency Fields

50MHz - 3.5GHz

10MHz - 8GHz

Electromagnetic Fields    

Electrical Fields

Sound Alarm

Triple Axis Sensor

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