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CEMPROTEC 34 – EMF Meter Bench Test
The French-made EPE Conseil Cemprotec 34 meter sits at the higher end of the 3-in-1 EMF meter market, with asking prices up to $400 AUD ($300 USD). It arrives in simple packaging, and one thing that immediately stands out when removing it from the box is its depth — all online images are front-on, so they don’t show how bulky it actually is. 2026 CEMPRO 34's now come with printed 4 step unit power values to help determine levels detected First impressions are mixed. The plast

David Blake
Apr 34 min read


Trifield EMF Meter – Bench Test
(Priced from $299 AUD to $429 AUD, 2026 Edition – 3-in-1 Class) Opening the box of the world’s best-selling 3-in-1 EMF meter does not disappoint. The product is very well packaged and presented like a high-end consumer retail device. The build quality and digital display are impressive, and the “Made in USA” marking on the front reinforces the sense of quality assurance . Its large size and solid weight give it the feel of classic American engineering — sturdy and substantial

David Blake
Mar 156 min read


Understanding EMF Levels: What Is Safe and What Is Not?
Building Biology Quick Guide

David Blake
Oct 20, 20253 min read


AirPods – Don’t Do It!
The most disruptive device under our roof? My teenage son’s AirPods ===================================================================== Even when they’re off and sitting in their charging case, they still emit high levels of radiation — at least by Building Biology standards and my own. To keep background radiation levels low enough in the workshop for prepping and calibrating EMF meters, the AirPods have to be stored in a metal container. That space must stay under 0.5 µW/

David Blake
Jun 29, 20253 min read


International RF Limits
Radio Frequency (Pulsed Microwave Radiation) limits vary by country and are established by regulatory agencies that are often influenced...

David Blake
Jun 12, 20253 min read


EMF-Friendly Printer: A Game-Changer for Low-EMF Workspaces
Brother HL-L2400DW Laser Printer is a great low EMF solution for your office.

David Blake
Feb 10, 20252 min read


Purple Mode - Full Removal
Click Here to go to the Geo Remote With Purple Mode selected, all earth rays, (Hartman and Curry grid lines) along with fault lines,...

David Blake
Nov 22, 20242 min read


Blue Modes - Power & Recovery
Click Here to go to the Geo Remote Pre-selected earth rays are repositioned beneath the end user's body, specifically aligned under the...

David Blake
Nov 21, 20242 min read




LFM-X MODE - 12 Hour Powergrid Recorder
LFM-X Mode: Built-in 12 Hour Powergrid Recorder for pre-purchasing homes.

David Blake
Nov 15, 20241 min read


MRx: Measurement & Mitigation Methods
MitoHQ, MITO METER 2.0 [EURO] & ENV RD-10[AU] Extended Functions Pictured above: 3D Snapshot of One Wi-Fi burst, a Wi-Fi beacon and Bluetooth signal. ( Read more ) Blake's and EnvroSens have enhanced their meters' magnetic and RF screening capabilities. Today, no other EMF/RF meter matches combined 3-Mode low power level sensitivity and advanced screening functionality of these custom ultra-compact EMF meters. Below, you can explore the features available on our meters via ou

David Blake
Nov 15, 202410 min read


EMF Basics – Measurement & Mitigation Methods
EMF/RF Basics – Measurement & Mitigation Methods

David Blake
Jun 14, 202410 min read


Body Contact Pad
ENV RD-10[AU] Meter receives a body voltage potential contact pad upgrade.

David Blake
Jun 11, 20243 min read


Understanding Hartmann Lines: An Overview
The concept of Hartmann lines, also known as the Hartmann grid or earth rays, purportedly dates back to the 1950s and the research of Dr....

David Blake
Oct 17, 20232 min read
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