1: PFA inner core with heat resistance up to 250ºC,
diameter from 4 to 12mm
2: Tracer is copper nickel alloy or nichrome;
3: Outer layer of heat reflecting film and flame Retardant aluminum foil glass fiber;
4: Thermal insulation layer;
5: Stainless steel braid, to enhance bundle's bending;
6: External jacket;
7: PTFE seal at end, bundle OD is 45 mm, end's OD is 50 mm;
8: Aviation plug (connect power and temperature controller);
9: Cable with high flexibility;
10: High temperature resistant stainless steel quick Joint
Sampling tube is mainly used in the field of environmental protection, flue gas volatile matter organic matter online monitoring system, flue gas emission continuous monitoring system and laser online analysis system need it.