Ultrasonic thickness gauge probe is used for Ultrasonic thickness gauge,different probes allow the machine to measure different materials.
| Probe | Frequency | Diameter | Measuring Range | Application | 
| PT-5 (Standard) | 5MHz | 10mm | 0.8~300.0mm | For standard applications | 
| XT-5 (Optional) | 5MHz | 7mm | 0.8~30mm | For tubes with small diameter | 
| GT-5 (Optional) | 5MHz | 12mm | 3.0~100mm | For high temperature up to 400ºC | 
| CT-2.5 (Optional) | 2.5MHz | 12mm | 3.0~250mm | For unfavorable at tenuation cast | 
