Witness Glass Changer

For in-situ optical monitoring it is often desirable to monitor coatings via. a witness glass assembly. The Telemark witness glass changer offers users reflection or transmission measurements. The witness glass assembly manages 54 witness spots on a single 3 inch diameter piece of glass for post coating analysis and product traceability.

Features

• Up to 54 monitoring positions on a single
  75 mm  disk
• Transmission, front surface reflection, or
  back surface reflection
• Automatic position indexing
• Quartz Crystal Rate Sensor port
• Provides complete optical monitoring solution
  on a single ISO160 flange
• ISO100 flange option provides 6 positions
  on a 25 mm disk