Compact battery powered EMF meter and reader, model B. Handheld electromagnetic field detector for identifying and measuring electric and magnetic field sources around homes, offices, and industrial settings. Key benefits Detects and displays electromagnetic field presence quickly so you can locate sources of interference and unusual emissions. Portable battery operation makes field checks and spot inspections simple without needing external power. Easy to use for both consumers and professionals with straightforward operation and clear readouts. Compact, lightweight design allows handheld scanning and convenient storage. Durable housing built for regular use during inspections and troubleshooting. What this device does Measures electric and magnetic fields in the environment and provides immediate feedback for on the spot assessment. Offers numeric and visual indications to help you compare relative EMF levels and pinpoint the strongest sources. Model B is designed for general EMF detection tasks across a range of common electrical and electronic applications. Compatibility and practical attributes Compatible with household appliances, consumer electronics, power outlets and wiring, routers and modems, and industrial electrical equipment for general EMF surveys. Compact handheld size for easy mobility and access to tight spaces. Battery powered for untethered use during inspections. Built to handle regular handling and fieldwork with a construction focused on everyday durability. Performance and reliability Responsive detection enables quick scanning across rooms and near individual devices. Provides stable, repeatable readings to support comparison between locations and over time. Simple controls and clear indicators reduce measurement uncertainty and speed up troubleshooting. Use scenarios Home wiring check: Scan outlets, junction boxes, and circuit paths to locate EMF areas after electrical work or when diagnosing wiring issues. Electronics troubleshooting: Identify specific devices or cables that produce interference affecting Wi Fi, audio equipment, or other sensitive electronics. Workplace or site survey: Perform spot checks near machinery, panels, and power distribution equipment to map relative EMF levels and locate strong sources. Basic operation and care Battery powered for convenient field use. Turn on, move the device slowly near appliances or wiring, and read the display or indicators to identify higher emission areas. Store in a dry place and remove the battery for long term storage to prevent leakage. This handheld electromagnetic field reader, model B, delivers a practical, portable way to detect and compare EMF sources for inspection, troubleshooting, and general assessment tasks.