5-LED Low-Frequency Magnetic Field Meter

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A white handheld multimeter-style detector shown with a 9V battery and clear-handled screwdriver on a white background. Blue and orange callout badges read 'INCLUDES 9V BATTERY' and 'INCLUDES SCREWDRIVER.

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A black handheld electronic test device with a color-coded gauge display showing green, yellow, orange, and red zones, photographed on a plain white background.

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5-LED Low-Frequency Magnetic Field Meter

$13.95

Color with battery:

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Quick relative checks of 50/60 Hz magnetic fields

This handheld meter uses five color-coded LEDs to show relative low-frequency magnetic-field levels near appliances, wiring, panels, and other energized equipment. Its simple display is useful for preliminary screening during home inspections when a numeric instrument is not required.

Indicator bands

Dark green: 0–1.5 mG (0–0.15 µT)
Green: 1.5–2.5 mG (0.15–0.25 µT)
Yellow: 2.5–10 mG (0.25–1 µT)
Orange: 10–20 mG (1–2 µT)
Red: 20+ mG (2+ µT)

Documented details

Frequency: Intended for 50/60 Hz magnetic-field monitoring
Display: Five LED level indicators
Housing: ABS plastic with electronic components
Size: Approximately 5.63 × 2.09 × 1.14 in (143 × 53 × 29 mm)
Power: Requires one 9V battery; available records do not clearly verify battery inclusion
Color options: White or Black

Using it during an inspection

Hold the meter consistently, compare readings at similar distances, and approach a suspected source from more than one direction. Magnetic-field readings can change significantly with distance, orientation, load, nearby conductors, and other equipment.

Important limitations

This is a general relative screening tool, not a calibrated diagnostic instrument. Accuracy and calibration specifications are not verified. It does not measure electric fields, radio-frequency signals, ionizing radiation, or ultraviolet light, and it does not identify wiring defects or establish code compliance.

The LED colors are device level bands, not health or safety thresholds. Do not use this meter to determine whether an environment is safe. Follow electrical safety procedures and use properly rated test equipment and qualified professional evaluation when investigating electrical hazards.

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Beschreibung

Quick relative checks of 50/60 Hz magnetic fields

Indicator bands

Dark green: 0–1.5 mG (0–0.15 µT)
Green: 1.5–2.5 mG (0.15–0.25 µT)
Yellow: 2.5–10 mG (0.25–1 µT)
Orange: 10–20 mG (1–2 µT)
Red: 20+ mG (2+ µT)

Documented details

Frequency: Intended for 50/60 Hz magnetic-field monitoring
Display: Five LED level indicators
Housing: ABS plastic with electronic components
Size: Approximately 5.63 × 2.09 × 1.14 in (143 × 53 × 29 mm)
Power: Requires one 9V battery; available records do not clearly verify battery inclusion
Color options: White or Black