Level probe for reliable, long-term measurement in aggressive environments

Water testing

Level probe for reliable, long-term measurement in aggressive environments

27 Feb, 2026

The 26KyX level probe from KELLER Pressure combines a non-fouling Kynar® diaphragm and piezoresistive pressure measurement technology to provide accurate, sustainable, long-term level measurements in aggressive chemical environments common in wastewater and sewage tanks.

Multiple output options to ensure easy integration into existing systems. The RS485 digital and optional analogue interfaces ensure maximum flexibility, and as with all KELLER Pressure Level Probes in the X-Line, the analogue output signal of the 26KyX is scalable.

With an accuracy of ± 0,3%FS at room temperature and a total error band of ± 0,5%FS in the temperature range from 0 to 50°C, this series delivers reliable measurements under all conditions. The robust stain-less steel housing and proven mathematical signal compensation also ensure years of maintenance-free operation.

The 26KyX series is ideal for hydrostatic pressure measurements in water and wastewater management. The available pressure ranges from 0…4 to 0…10 mH2O cover typical areas of application.

The KELLER 26KyX offers a non-fouling diaphragm; robust stainless-steel housing; maintenance-free operation; RS485 interface that can be combined with analogue interface; and an analogue interface scalable by RS485 interface (turn-down).

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