FieldSentinel ™
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This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.
How It Works
How It Works
- Point & Scan: Aim FieldSentinel at any device, appliance, or area you want to assess. Its triple-mode sensor captures magnetic fields, electric fields, and RF radiation simultaneously.
- Read the Results: The high-contrast LCD screen displays live readings in real time. The three-color backlight instantly tells you whether levels are safe, borderline, or require action — no guesswork needed.
- Take Control: Use your readings to reposition devices, rearrange furniture, or reduce exposure in high-risk zones. FieldSentinel empowers you to make confident decisions about your home and workspace.
What's Included
What's Included
- FieldSentinel EMF Detector (pre-calibrated)
- Protective carry pouch
- Comprehensive instruction manual
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
FieldSentinel
Everything You Need to Monitor, Detect & Act
Triple-Mode EMF Detection
FieldSentinel measures magnetic fields, electric fields, and RF radiation — including 5G — in a single compact device. You get a complete picture of your environment instead of just a partial reading.
Laboratory-Grade Precision
High-precision internal sensors deliver readings you can actually trust. Whether you're scanning a baby's nursery or a home office, accuracy is never a compromise.
Three-Color Alert System
A color-coded backlight paired with an audible buzzer gives you an unmistakable warning the moment radiation exceeds safe levels. No squinting at numbers — the signal is immediate and obvious.
Effortless for Any Skill Level
The intuitive controls and crystal-clear LCD display mean you don't need any technical background to get started. Unbox it, power it on, and you're measuring in seconds.
What our 17,000+ Customers say
Based On Real and Honest Experiences
I was struggling with constant headaches and suspected my home office setup was the problem. FieldSentinel revealed that my Wi-Fi router and monitor were generating way more RF radiation than I realized. After rearranging my desk, I genuinely feel better — and I finally have data to back that up.
We moved into a new house and I wanted to check EMF levels in the kids' rooms before setting anything up. FieldSentinel made the whole process straightforward — the color alert system meant I didn't have to interpret numbers, it just told me where to act. Found high readings near an old outlet that we had an electrician look at.
Honestly, I bought FieldSentinel half-expecting it to be a gimmick. I was wrong. The readings were consistent across multiple tests, the manual actually explains what the numbers mean, and the battery easily lasted through a full inspection of our house plus a neighbor's. Solid piece of kit at a price that doesn't hurt.
Frequently Asked Questions
What types of radiation does FieldSentinel detect?
What types of radiation does FieldSentinel detect?
FieldSentinel detects all three major EMF categories: magnetic fields, electric fields, and radiofrequency (RF) radiation. This includes emissions from Wi-Fi routers, smartphones, microwaves, smart meters, and 5G networks.
How accurate are the readings?
How accurate are the readings?
FieldSentinel uses high-precision sensors designed to deliver reliable, consistent measurements comparable to professional-grade instruments. It comes factory pre-calibrated so you get accurate data from the very first use.
Is FieldSentinel easy to use if I have no technical experience?
Is FieldSentinel easy to use if I have no technical experience?
Absolutely. The device was designed with everyday users in mind. The backlit LCD is easy to read, the controls are straightforward, and the included manual walks you through every mode clearly. Most users are up and scanning within minutes.
How long does the battery last?
How long does the battery last?
You can expect up to 20–25 hours of continuous use per charge. FieldSentinel also features an automatic power-off function to preserve battery when the device is idle, so you won't be left without power when you need it most.
Can FieldSentinel detect 5G radiation?
Can FieldSentinel detect 5G radiation?
Yes. The RF detection mode covers the frequency ranges associated with 5G networks, so you can accurately assess exposure from cell towers, routers, and newer connected devices in your area.
Do I need to calibrate it before use?
Do I need to calibrate it before use?
No calibration is needed. FieldSentinel arrives fully calibrated and ready to use straight out of the box — just power it on and start scanning your space immediately.
Does it come with a warranty?
Does it come with a warranty?
Yes, every FieldSentinel comes backed by a 1-year manufacturer's warranty. If anything goes wrong due to a defect or malfunction, our support team will make it right — quickly and without hassle.
Where can I use FieldSentinel?
Where can I use FieldSentinel?
FieldSentinel is built for versatility. Use it at home to scan bedrooms, kitchens, and nurseries; in your home office to assess Wi-Fi and device exposure; or during professional property inspections and workplace safety reviews.