User Guides and Product Specifications User guides Lenterra Inline Interrogator (LIR) User Guide v2.1 Wall Shear Stress Measurement system (LSH) User Guide v2.0 Lenterra Calibration Kit User Guide v1.1 RealShearTM sensor Cleaning Guidelines Product Specifications DFF sensor SD-series DFF sensor S-series DFF sensor P-series RealShearTM F-series RealShearTM M-series Lenterra Optical Interrogators (LOI) Flow cell Contact us