: Checking high-voltage cables and cell towers.
Note: The RT-100 model is strictly a low-frequency meter for household appliances and power lines. It does not measure high-frequency Radio Frequency (RF) fields from Wi-Fi routers or 5G signals; if you require RF testing, look for the Erickhill RT-100S 3-in-1 EMF Detector . Button Functions & Interface Control erickhill rt-100 user manual
Before first use, fully charge the RT-100's internal lithium battery. Connect the included USB cable to a standard USB power source (computer USB port, phone charger, power bank, etc.). A charging indicator light will illuminate. A full charge typically takes 2–3 hours and provides approximately . : Checking high-voltage cables and cell towers
Choose the standard RT-100 if you primarily need to measure electric and magnetic fields from household appliances and wiring. Choose the RT-100S if you also need to detect RF radiation from cell towers, 5G infrastructure, Wi-Fi routers, or microwave emissions. Button Functions & Interface Control Before first use,
The device is sensitive. If it alerts, try moving it slightly away to see if it is a localized hot spot. Power Issues: Replace batteries if the display is faint.