Product List Vaisala (K-Patents) – Refractometers Vaisala (K-Patents) – BrixMeter – Refractometers Wedgewood Photometer Service Parts Spectrometers for industrial processes and the laboratory. Hydramotion – Viscometers Process Tomography Hycontrol – Foam Control Drexelbrook – Level Measurement Valmet – Conductivity measurement (formerly known as Kemotron) Valmet – Total Solids transmitters