EMF Meters

COMBINATION / Multi-frequency meters

These meters measure both low and high frequency EMFs, allowing you to quickly switch between different frequencies. Ideal for those getting started in measuring electromagnetic pollution as you can start using the meter straight out of the box. If you have a strong electromagnetic sensitivity however, or want to test according to building biology regulations, you may want to purchase separate meters for low and high frequencies.

Low frequency Meters

Low frequency meters measure the localised EMFs from our electronics like lights, speakers and appliances typically in the range of 16 Hz - 100 KHz. These fields emanate spherically and generally remain close to the source but can extend much further in high intensities such as with power-lines. These fields can be divided into: AC Electric Fields which are generated by live electricity and exist even when a device is not in use (turned off) and AC Magnetic Fields which are generated when electrical devices are active or turned on; i.e. when the flow of electrical current begins.

HIGH FREQUENCY METERS

High frequency meters measure EMFs from wireless technologies like WiFi, mobile phones (4 Ghz etc), smart meters, radios and cell-towers typically in the range of 800 Mhz - 8 GHz. This frequency is known as radiofrequency (RF) or microwave and is generated as electric and magnetic fields approach higher frequencies. In this frequency, the fields become airborne and can extend far beyond their initial source.

Other Meters

EMI / DIRTY ELECTRICITY Meters

These meters plug into an outlet and measure the interference or noise in the circuit caused by devices in the room or electricity coming into the house. Also known as ‘Dirty Electricity’ (DE), DE can increase the EMF in any given room. Some examples of DE contributors include dimmer switches, televisions, fluorescent light bulbs (including CFLs, or energy efficient bulbs) and computers.

BODY VOLTAGE METERS

These meters measure the amount of voltage induced in the body from AC EMFs, i.e from those electronics or appliances plugged into the mains. Often you will find people using multi-meters to test body voltage as they have two connection ports, one for the earth and one for you. The meter can detect the difference in voltage between the neutral and yourself. Testing body voltage can be an interesting test to do alongside field strength.