Ceramic gauge

Adcerax ceramic gauges are available in block, needle, and ring types, and are available in zirconia and alumina materials. The following are their pros and cons:

1. Zirconia Ceramic Gauge:Pros: Tough, wear-resistant, low thermal expansion. Cons: Expensive, hard to machine.
2. Alumina Ceramic Gauge:Pros: Cheap, ultra-hard, electrically insulating. Cons: Brittle, higher thermal expansion.