page_title: Personal RF safety monitor
section_title: Introduction
hierarchical_section_title: Personal RF safety monitor / Introduction
caption_attribution_description: English: RF monitor comparison
context_page_description: Electromagnetic field densitometers measure the exposure to electromagnetic radiation in certain ranges of the
  electromagnetic spectrum. Other densitometers, like extremely low frequency densitometers which measure exposure to radiation from electric power lines, also exist. The major difference between a "Densitometer" and a "Dosimeter" is that a Dosimeter can measure the absorbed dose, which does not exist for RF Monitors. Monitors are also separated by "RF Monitors" that simply measure fields and "RF Personal Monitors" that are designed to function while mounted on the human body.
context_section_description: Electromagnetic field densitometers, as used in the cellular phone industry, are referred as "personal RF safety monitors", personal protection monitors (PPM) or RF exposimeters. They form part of the personal protective equipment worn by a person working in areas exposed to radio spectrum radiation. A personal RF safety monitor is typically worn either on the torso region of the body or handheld and is required by the occupational safety and health acts of many telecommunication companies.
  Most of the scientifically proven RF safety monitors are designed to measure the RF exposure as a percentage of the two most common international RF safety guidelines: International Commission on Non-Ionizing Radiation Protection (ICNIRP) guidelines and the U.S. Federal Communications Commission (FCC). The ICNIRP guidelines are also endorsed by the WHO. RF personal safety monitors were originally designed for RF Engineers working in environments where they could be exposed to high levels of RF energy or be working close to a RF source, for example working at the top of a telecommunication tower, or working on the rooftop of a building where transmitting antennas are present.  Most international RF safety programs include the training and use of RF personal safety monitors and the IEEE C95.7 specifies what is a RF Personal Monitor.
  In some cases the RF safety monitor comes in a version or mode for the general public. These meters can then be used to determine areas where the public might be exposed to high levels of RF energy or used to indicate the RF level in areas where the general public has access.
caption: RF monitor comparison
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