Technology Alternatives 7021 Cell Sensor EMF Detection Meter
by Technology Alternatives Corp
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List Price: Our Price: $24.99 You Save: $25.00 (50%) Availability: Usually ships in 1-2 business days Category: Tools See more product details |
Product Details
Manufacturer: Technology Alternatives CorpModel: 7021
Product features:
- Detects cell phone radiation and extremely low frequency electromagnetic fields
- Delivers audible and visual alerts upon detection
- Includes remote probe for ease of measurement
- CE registered approval
- Easy to use
Tools and Hardware Reviews of Technology Alternatives 7021 Cell Sensor EMF Detection Meter
Customer Review: Best Used for Measuring ELFs
Summary: 4 Stars
Couple things I noticed about this device. First, it measures both RF (radio frequency) and ELF (extremely low frequency) together, with no way to test each individually. Second, it is NOT designed to measure cellphone tower radiation and will not detect them, only the close RF radiation of a cellphone. It couldn't really pick up on my 2.3 GHz cordless phone emissions either when it was sounding the dial tone, maybe that frequency was too high. But it wasn't designed for that either. It's sensitive to regular cellphones frequencies though. I also realized after buying, that since cellphones have to meet emission standards, there is not much point for me to measure its RF output other than to confirm it meets those standards... well, other than to see whether those things you stick onto cellphones to lower their RF actually works. Those are my only gripes.
Now, onto the good points. If you follow the instructions, this thing will indeed give you a decent approximation of the radiated power output of a cellphone. So it's true to advertised claims. Where this device shines is as an ELF meter for measuring the vibrating magnetic fields around clock radios, power lines, computers, appliances, and home wiring. I tested the frequency response and it measures best ELF fields between 30Hz and 900Hz, sensitivity rolling off greatly outside that range. On the "high" sensitivity setting, it even registers sudden movements of the probe, which I think is the CellSensor cutting the flux lines of earth's magnetic field. So if you shake/wiggle the probe in a given space, you can get a very rough idea of whether there's a DC magnetic field there. Like if you wiggle it just a little above a magnet the meter will go off the charts. So when you do your ELF readings, be sure to keep the probe still if you want to measure just the ELF fields of things nearby, otherwise you'll get a false reading generated by stationary magnetic fields.
So in summary, this was worth buying, but mainly only to measure nearfield cellphone emissions and ELFs from current-carrying devices. It won't work for detecting cell tower radiation, finding wifi hotspots, measuring wifi output, and it won't detect the strength of static magnetic fields unless you get creative and wiggle the probe. For those applications, I recommend a proper RF Signal Detector good for 50MHz to 6Ghz ( Professional Wireless RF Signal Bug Detector ), and for static magnetic fields look for a DC Gauss Meter.
I haven't tried to detect ghosts with it, but it probably also ought to detect EM disturbances caused by alien ships hovering over the house, haha.
Description of Technology Alternatives 7021 Cell Sensor EMF Detection Meter
You might not know it, but certain areas in your home and work have powerful electro magnetic fields (EMFs) that can inflict severe damage to cellular DNA. Protect yourself against this invisible radiation by testing areas that you frequent with a gauss meter, a device that measures the strength of EMFs. Once you identify where EMF radiation hotspots are, simply avoid these areas. The accuracy of a gauss meter is easy to test. Just turn on your gauss meter and progressively walk towards a television set or any operating electrical device. You will see an immediate and consistent increase in the EMF measurement as you get closer to electrical devices, electrical wiring hotspots, and other surprising areas of your environment. Many people are unknowingly surrounded by powerful EMFs while they sleep. Their bed might be too close to an electric alarm clock, or they could be hit with EMFs that pass through the wall from a television set in the adjoining room. The solution is as easy as moving the alarm clock six inches further away from your head, or rearranging your bedroom furniture. A gauss meter often reveals surprises, such as the high EMF emissions from electric toothbrushes, shavers, microwave ovens, photocopy machines, cordless phones, and high-intensity electrical wiring. Once you know where the EMF hotspots are, just stay at a safe distance when the appliances are on. When using a regular corded or cordless phone, be sure to use the speakerphone option to avoid unnecessary exposure to EMFs. The Cell SensorTM is a handheld gauss meter that instantly measures EMFs from all sources. The Cell SensorTM is the only gauss meter on the market that can measure both cell phone radiation and electromagnetic fields (EMFs).Tools & Testers
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