This adapter ring is compatible with all 20ml sensor vials from PyroScience to fix optical fibers (SPFIB-BARE or PICFIB2). Read-out of up to 3 sensor stripes (e.g. sensor vial with O2, pH and temperature sensors) can be performed by connecting the fibers to the FireSting pro. For the pricing information see our accessories price list below or get a custom made quote for you by clicking on "Get a Quote" at the top.