The Liquipoint FTW23 is a point level switch for water-based liquids. It is used preferably in storage tanks, mixing vessels and pipes. Developed and built for the food and beverage industry, the Liquipoint FTW23 meets international hygienic requirements. The Liquipoint FTW23 can be used permanently in process temperatures up to 100 °C (212 °F) and in cleaning and sterilization processes to 135 °C (275 °F) for 60 minutes.
The capacitance at the tip of the sensor, and therefore the dielectric value of the medium, is determined using an electrical field. Given that the dielectric value of air and a water-based liquid differ, the Liquipoint FTW23 can differentiate between the two states, i.e. covered and uncovered.
Function testing of switch outputs with test magnet
Separate configuration of two switching thresholds, e.g. medium detection and medium differentiation
3-A and EHEDG certificates
Specs at a glance
Vessels and pipes
Process temperature range
–20 to +100 °C (–4 to +212 °F)
(For 1 hour: +135 °C (+275 °F))
Process pressure range
–1 to +16 bar (–14.5 to +232 psi)
Endress+Hauser Australia | Industrial Measurement & Automation Equipment
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