可选配CTD，和CTD一起使用石英玻璃单元测量范围:0...1,0...6and0...60mS/cm尺寸:直径40mm长度:approx.270mm重量:approx.300g外壳:titanium深度：6,000m输出:0...2,5or0...5VDC电源:9-18VDC(othersonrequest)连接：Subconn-connector)