The MoniTurb-F turbidity sensor uses the principle of 12° forward scattered light to detect suspended particles in liquids. The ratio of scattered light to direct light assures highly reliable and repeatable measurement results. The 12° scattered light measuring result is dependent on particle size and can be correlated to mass concentration. The sensor can be installed into almost any type of pipe. Process connection, pressure, temperature, gasket material, etc. will be application specific. This product is also available as the MoniTurb-S, which is a 90° side scatter turbidity sensor, and the Moniturb-FS carrying out both forward scatter and side scatter measurements.

The model AS3 Acoustic Sensor employs the principle of ultrasonic reflection. Ultrasonic pulses, reflected by particles, will be detected, evaluated and displayed as measurement values. The large span of measurement ranges (0 - 10 ppm lowest range up to 0 - 10,000 ppm highest range) cover many different applications.