Ramsey Tri-Field Strength Meter, ASSEMBLED TFM3C

TRI-FIELD Meter kit from Ramsey is very useful for radio amateurs. Easy to build!

• Detect Rf from your radio transmitter, computer monitor, or cell phone
• Pick up the field from magnets around your house, even the earth
• "See" the charge on a staticky hair brush or comb
• Learn how to use electronic parts as sensors
• Runs on 4 AAA batteries (not included)
• THIS IS ONLY FOR OUTSIDE OF EUROPIAN UNION AS GREAT BRITAIN ETC.