Geolistrik, resistivity meter, ND-112P Naniura Mini Logger, Goerist, abem, oyo 0251-7539361 0251-7543316
Echosounder range : 0.39m to 220m : email : karyamitrausaha@ yahoo.com SPECIFICATION : Frequency : 200KHz Beam Angle : 7 Degree Depth Display : 12.1-inch color LCD Output Power : up to 200W....