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.
● 54 Optical Monitoring Positions
● Automatic Position Indexing
● Back side or Front side Monitoring
● Reflection or Transmission Measurements
● Port for Quartz Crystal Rate Sensor
● 4.5” Flange Mounting