Main technical performance and maintenance
1. Main technical performance
Signal frequency: 7KHZ
Audio frequency: 400HZ
Sensitivity: small search head 30~35CM (USD25 sent) big search head 40~45CM (USD25sent)
Max depth: small search head 2~3M big search head 3~5M
Note: the objective of max depth is: Aluminum plate with 60 x 60 x 1CM.
012-9229607 mr adib