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Questions & Answers
A Test Bandwidth: 5Hz-3500MHz
I think so, my wife had a radiation pill and the unit worked well detecting.
By Gary L. Bernstein on February 22, 2018
Return it..it does not work
By Fun2bnx2 on June 6, 2018
Don't know, haven't tried.
By FOV on May 13, 2018
The e-field is the electric field measured in volts per meter. 2. The h-field is the magnetic field measured in micro Tesla. It is a function of the current flow in a circuit. Take a desk lamp for example. If you measure the "fields" with the power switch off, the e-field is detectable; however, the h-field will b… see more The e-field is the electric field measured in volts per meter. 2. The h-field is the magnetic field measured in micro Tesla. It is a function of the current flow in a circuit. Take a desk lamp for example. If you measure the "fields" with the power switch off, the e-field is detectable; however, the h-field will be zero from the lamp circuit because no current is flowing. With the switch on, both the e-fields and the h-field will probably show some value. This meter will not respond to the "Smart Meter" radio frequency signal, (i.e. around 2 GHz). Its response is limited to less than 5MHz, so any indication you may get with this meter from a Smart Meter would most likely be due to the power supply in the Smart Meter. I have checked the response of this meter with a test setup which produces a know electric field. The e-field "indications" are useless unless one knows how the meter responds to various electric fields. For example, the e-field indications will remain zero until the e-field is over 200 volts per meter. Then as the electric field is increased, it responds with roughly a 10 to 1 slope until it reaches its maximum indicating capacity. (i.e.1999V/m) At maximum reading of 1999 V/m, the field is really approximately 400 V/m. (i.e 200 V/m until it starts to respond and 1999 V/m divided by 10 which would be an additional 200 V/m for a total of 400 V/m. I have not calibrated the h-field measurements; however a brief check indicates that those fields are "in the ball park". I have previously published more details regarding this device, and could make it available again if anyone is interested. For $25 or so, this meter is "better" than any others I have seen in the price range, if nothing more than the dual presentation which most of the others do not have. Have fun...... see less
By Lew on May 4, 2018
By Willow on April 17, 2018
I don't know. It does pick up on regular electricity and powerlines.
By Kp on April 11, 2018
sorry, haven't used yet.
By Dan Gallina on April 13, 2018
No this is for energy that is generated by electrical devices, such as computer, lamp, wiring or a transformer in your home. I will say that it does a great job alerting you to electrical emissions and hazards in your home.
By john davis on April 7, 2018
No, this is a very cheap detector. We tested it to our 500.00 meters and had bad results. We keep it to show our clients how off the cheap units are.
By BellevueInspector on April 8, 2018
Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at http://www.tomtop.com/contactsopen this forum in full page
based on 212 Customer Reviews
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June 1, 2020
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November 21, 2019
By Sara J.
May 31, 2019
This instrument is affordable. It has a strong touch. You can use it to measure devices that work with high-power networks, such as sensor boards, toasters, and more. You can check your bedroom, especially near the power outlet, to make sure you are not sleeping in a place that induces the network. You can also use it to see if your home has EMF from high-voltage overhead lines or nearby substations. If the magnetic field strength is greater than 0.4 microTesla, an alarm is displayed, which is a generally acceptable value, where prolonged exposure to the magnetic field can be detrimental. The meter also shows the ambient temperature. highly recommended.
May 29, 2019
For the price I do not think it is a precision worthy of a pro equipment, BUT it allows for less cost, to get a very uninteresting idea of "pollution" electric in the house. For example, in the bedroom, the clock radio and bedside lamps deserve special attention. It is imperative that the plug is connected in the right direction (phase on phase and neutral on neutral). This tester will tell you very clearly the direction of the connection. Simply plug the plug in one direction or the other to see the electric field around the bedside lamp greatly decrease or greatly increase. Ditto for any other device without grounding (alarm, TV, digital piano landline etc etc). Do not put the head of your bed near an electric radiator thermostat and keep the clock radio away for example (test and you will understand).
May 25, 2019
Great small device. It is totally in line with your requirements. I do not know how accurate the readings are, but it will give you a general idea of the release of high-EMC appliances. If you take it to the garden or open space, you will get a reading of zero. Then, once you get home, you will start reading again. This tells me that the device works correctly, instead of spitting random numbers for no reason. Considering the price, this device is pretty good.
May 24, 2019
This small practical instrument seems quite accurate, and the alarm is a convenient instant indication of the EMF increase. Interestingly, the FEM level of some appliances is high, especially the washing machine, but let me think that my son's room is fine, so I bought the meter first. The sensitivity adjustment is very good. The work is really good.
May 23, 2019
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May 17, 2019
It is smart enough to cover the areas you want and allows you to easily optimize your environment. For example, I recently bought a used car and did not feel good driving it (I have EHS, so I can not tolerate the strong EMF field). After playing this and seeing a large amount of magnetic field on the board, I pulled some fuses out of the fuse box and discovered that most of the radiation came from the board illumination. The magnetic field in the car is even higher than the magnetic field in the other two cars, but now it can be tolerated.
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