Safe and Sound Pro II
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“The Safe and Sound Pro II is the meter I now recommend most to my students and clients for testing RF fields — including cell towers, cell phones, smart meters, Wi-Fi, and most of the 5G frequencies being used at this time.”
(Michael Neuert, EMF Engineer and Health Consultant)
↓ Video Instructions: How to Use the “Safe and Sound Pro” ↓
↓ Michael’s Review of the “Safe and Sound Pro” RF Test Meter ↓
The Safe and Sound Pro II is the RF Meter We Recommend Most
This is the test meter that we recommend most, to clients and students, for accurate and sensitive detection of modern digital radio frequency (wireless) fields. And it is also the minimum level of RF test meter we recommend for professional testing of other people’s homes.
Many Important Features, Including a Numerical Display
The Safe and Sound Pro II has many important and helpful features, including a digital display which gives you detailed measurements of the PEAK (instantaneous peak), MAX (peak max or hold), and AVG (average) RF levels, and all in the same measurement units:
(1) Numerical display of peak, max peak, and average measurements.
(2) Helpful bar graph and LEDs for quick assessment of measurements.
(3) High sensitivity, accuracy and reliability.
(4) Detection of frequencies from 200 MHz up to 8 GHz.
(5) An audio function to help you track and determine sources.
Helpful Audio Function
The audio function transforms modulated (pulsed) RF signals into a distinct sound pattern that you can hear. This is very helpful when you are trying to determine sources. Different RF sources have different sound patterns that you can learn to recognize — for example, a cell tower vs a smart meter, vs a Wi-Fi router, vs a DECT phone.
Detection of 5G Frequencies?
At this time, most of the frequencies used for 5G are the same as for 4G, and the Safe and Sound Pro II picks them up very well. And in the future, as 5G systems begin to add higher new frequencies above 8 GHz, those 5G systems will continue to emit a substantial amount of the older 4G frequencies as well — because frequencies under 8Gz are still the best for getting through walls, into buildings, and traveling further distances. For more information on measuring 5G, please click here.
We also Like the Acoustimeter AM-10 and AM-11.
Another good RF test meter that we often recommend — in the same price range as the Safe and Sound Pro — is the Acoustimeter. The Model AM-11 is the newest version, replacing the AM-10. The Acoustimeter has many similar features, including a numerical display, the helpful audio modulation feature, and the same frequency detection range of 200 MHz to 8 GHz. In my opinion, the main downside to the Acoustimeter is that its display is harder to understand, and it reads peak and average levels in different units, both of which are a little confusing.
Other Good RF Test Meters — On a Budget
The Acoustimeter and the Safe and Sound Pro both cost around $400 in the US. If that cost is too high, there are 2 good meters available for around $200. One is the Acousticom-2, which is similar to the Acoustimeter but without the digital number display. The other is the Safe and Sound Classic, which is similar to the Safe and Sound Pro, but without the numerical display. All four of these RF meters measure the same frequency range, and have the very helpful audio feature.
Special Note About Low Cost Meters
We are generally concerned about the accuracy and reliability of most of the other low-cost (below $200) RF test meters that are on the market. For measuring RF fields, this is especially true for the multi-purpose test meters which try to measure all three kinds of EMFs in one instrument. We have seen a lot of issues with accuracy and quality. If you really need to save costs, the TriField TF2 can be considered, but it does not have the same sensitivity, accuracy or audio modulation feature as the better meters, so generally we would recommend the Acousticom-2, or at least, the Safe and Sound Classic.
Feedback from Satya Giordano – Comparing the Safe and Sound Pro II to the Acoustimeter AM-10/11:
“The Safe and Sound Pro is definitely still my first choice for several reasons: mainly because the units of measure are far more practical and the display is far less confusing, but also because it is much smaller, has a much better case, and can run on USB power. Last but not least, it has a much higher cap on the peak measurements (2,500,000 vs 100,000) and better sensitivity on the low end (roughly 0.3 vs 1.0). I also like the fact that it has the speaker on the front instead of the back.” (Note: Satya ran the meter sales/rental part of our business for several years, during which he individually tested every meter before it went out, so he knows the various pros and cons of the meters quite well.)
Key Features and Specifications of the Safe and Sound Pro II
Key Features and Manufacturer Specifications…
- Name of Meter: Safe and Sound Pro II.
- Test Meter Measures: Radio frequency (RF) fields.
- Frequency Range: 200 MHz up to 8.0 GHz (±6 dB).
- 5G Sensitivity: Will measure 5G signals between 200MHz – 8GHz.
- Type of Antenna: Single-axis.
- Type of Fields Detected: Both digital (including 5G) and analog RF/microwave fields.
- Audio Feature: Special sound function helps determine and distinguish specific RF sources.
- Measurement Modes: PEAK (instantaneous), MAX (peak hold or max peak), and AVG (average) types of RF measurements.
- Units of Measure: microwatts per meter squared (µW/m²).
- Sensitivity: Measures power densities up to 2,500,000 µW/m² and down to 0.001 µW/m².
- Bar graph and LEDs so you can quickly see relative field strengths without having to read the numbers.
- Battery: 2 x AA Alkaline only (12 – 15 hour battery life)
Our Recommendation: For most people, we recommend the Safe and Sound Pro II to measure the radio frequency (RF) fields. It has several important features including (1) an audio function to help you determine sources, (2) detection of frequencies up to 8 GHz, and (3) high sensitivity, accuracy and reliability.
Important Feature #1 – Up to 8 GHz: The Safe and Sound Pro II measures RF/microwaves from 200 MHz up to 8 GHz. This is important because some RF meters can only detect up to about 3 GHz, completely missing the 5.0+ GHz frequencies of newer cordless phones and Wi-Fi routers. The Safe and Sound Pro detects the RF emissions from most cell towers and cell phones, cordless phones, microwave ovens, Wi-Fi routers, Bluetooth, smart meters, TV channels 12 and up, and most other digital devices in our modern wireless world. And this includes most of the 5G frequencies being used at this time (which are generally below 8 GHz). Please note that the frequency range of this test meter does not include frequencies below 200 MHz, such as AM, FM and some TV broadcasting, and some ham radio frequencies.
Important Feature #2 – Special Audio Function: The Safe and Sound Pro has a special audio feature that can help you determine and distinguish various RF sources. In addition to a speaker with volume control, it has an audio output socket for headphones. With a small amount of practice, you can learn to recognize the distinctive sound patterns associated with different types of RF sources. For example you can learn to distinguish a cell tower signal, from a Wi-Fi router, from a smart meter, etc.
Important Feature #3 – High Sensitivity to Digital Signals: The Safe and Sound Pro is one of the best RF meters available today for capturing the relatively “difficult to detect” peak pulses from low-level digital RF signals. Thus it can detect relatively weak digital signals that many other meters miss. This makes it an ideal RF meter for highly sensitive individuals.
Important Feature #4 – Peak Hold (MAX) Function: This is a very helpful feature. You can turn on the test meter, then sweep around the entire room with the meter, and it will record or “hold” the maximum peak (called MAX) measurement it has received since it was turned on. There is an easy MAX RESET button you can press to restart the MAX function all over again. This maximum peak level is perhaps the most important number to consider when measuring and comparing radio frequency exposures.
Important Information from the Manufacturer:
We are pleased to announce the release of our Safe and Sound Pro II RF Meter. The Safe and Sound Pro II RF Meter is a compact, simple to use meter for Radio Frequency / Microwave Radiation (200 MHz to 8Ghz). The meter has been tested and certified by The Nemko Canada Inc Testing Lab in Cambridge Ontario, Canada.