Description

Eberline Instrument E200A Meter, Mine Evaluation Instrument Simple Type: Meter The Model E-200A was designed as a mine evaluation instrument in 1955. It had similar features as the E-112B with six scale ranges. It had connections for a remote area monitoring probe and a 10 millivolt recorder. It could be used for surveying mine faces, ore piles, shot holes and core drill logging. It weighs 4 lbs. An option was the Model SP-176 hole probe. The housing was made of brass with a monel tip. It was less than 1 inch in diameter. A back hole probe Model BP-175 was also available.