# X-Ray Thickness Gauge
> **Product code: RBU** · Not classified · Unknown · —
## Classification
- **FDA Product Code:** RBU
- **Device class:** Not classified
- **Regulation:** —
- **Review panel:** —
- **Medical specialty:** Unknown
- **Submission type:** —
- **GMP exempt:** Y
- **Life sustaining:** —
- **Implant:** —
- **Third-party review:** —
## Definition

An open industrial x-ray system used to measure the thickness of material running through system, usually on a production line.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 0
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=RBU)
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