Humanized design: It has practical functions such as maximum value lock, unit switching, and automatic shutdown. The ergonomic appearance is matched with soft glue on the side, which is comfortable and portable for one-handed operation.
eBay
1 x Magnetic Field Viewer. This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.
eBay
This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field. Great for personal or scientific research. It can help us study magnetic fields that we cannot see.
eBay
ERD-10 4-in-1 electromagnetic radiation detector, electric and magnetic field strength, RF power, temperature monitor. Magnetic field. Electric field. RF radiation power range: 0.2-1000mW/cm². • Range: 0.01μT - 99.99μT.
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Material: Magnetic Card Detector. Color: Magnetic Card Detector. 1XMagnetic Card Detector. Great for personal or scientific research: It can help us study magnetic fields that we cannot see. Easy to use: place the card on the of a magnetic material and it will display a patterned magnetic field.
eBay
The 1st Light detects a Normal EMF field, what is always around us.The range is between 0 to 1.5 mG. The 2nd Light (GREEN) detects a Low Level EMF,which range is between 1.5 to 2.5 mG. The 3rd Light (YELLOW) detects a Mid Level EMF in the range between 2.5 to 10 mG.
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Application: Used for supernormal wave research and general detection. Item Type: Magnetic Field Detector. 1 x Magnetic Field Detector. FIVE DETECTION INDICATORS: Five levels of detection indicators, representing different radiation values; instantaneous response to fluctuations and spikes.
eBay
This product is easy to use. Place the card on the magnetic material and it will display the patterned magnetic field. Great for personal or scientific research. It can help us study the magnetic field that we cannot see.
eBay