The BT23S is a diffuse mode bifurcated glass fiber sensor assembly compatible with D10, SM, SME, SMU, Q45, and QS18 series devices. It addresses various sensing challenges by providing reliable detection in noisy and high-vibration environments. The assembly features bifurcated styles suitable for opposed or diffuse sensing, with a standard stainless steel flexible conduit sheath. It measures 36 inches in length and is ideal for fiber optics applications.