The Rysco Retractable Bio-Probe is designed to collect bio-mass and microorganisms in pressurised process systems for analytical testing. The bio-probe can be safely removed through a permanent isolation valve without the need of costly shut downs or temporary isolations. The holder is available in 18”, 24”, 30”, 36”, 42” and 48”, order lengths and in 3/8” and 5/8” rod diameters. The interchangeable mount provides flexibility when wanting to convert to other monitoring techniques.