适用于PN004021,PN004022,PN004023,PN004024,PN004025参数：,货号,特性,测量范围（钢）,直径
频率,接触温度,PN004015,通用探头, —225mm,10mm,5MHz,-10—,60,PN004016,通用探头
—225mm,10mm,5MHz,-10—,60,PN004017,小管径, —60mm,6mm,7MHz,-10—,60
PN004018,高穿透, —40mm(铸铁),22mm,2MHz,-10—,60,PN004019,高穿透
—300mm(钢),12mm, ,-10—,60,PN004020,高温, —80mm,12mm,5MHz
-10—,300