en.Wedoany.com Reported - Swiss pressure sensing expert KELLER has officially launched the 26 Ky Series (26KyX) liquid level sensors, specifically designed to provide anti-fouling and corrosion-resistant solutions for monitoring sumps, lift stations, and industrial wastewater. The device integrates piezoresistive pressure technology with a polyvinylidene fluoride (Kynar®) diaphragm, achieving a measurement accuracy of ±0.3% full scale (FS) under room temperature conditions.
Headquartered in Winterthur, Switzerland, KELLER is a leading European manufacturer of piezoresistive pressure sensors. The newly launched 26 Ky Series sensors feature a stainless steel housing and advanced mathematical signal compensation technology. Test data shows that over a wide temperature range of 0–50°C, its total error band is only ±0.5% FS. Compared to traditional sensors, this design utilizes a polyvinylidene fluoride diaphragm to solve the problem of strong erosive media damaging the sensing element, ensuring the device can operate maintenance-free for years even in wastewater containing suspended solids or chemical agents.
Technical specifications indicate that the 26 Ky Series covers a pressure range of 0–4 to 0–10 meters of water column, suitable for mainstream liquid level measurement scenarios in the water treatment industry. The probe simultaneously supports RS485 digital and analog outputs, and allows operators to scale the analog signal via the digital interface. Engineers can adjust the measurement range online without replacing sensor hardware, significantly enhancing the flexibility of deploying the device across sumps of different depths.
The launch of the 26 Ky Series substantially addresses the pain point of data drift in lift stations caused by sensor scaling and corrosion. Through accurate and stable capture of liquid level fluctuations, operators can achieve more precise automated start-stop control of pump sets, effectively preventing overflow risks and reducing operational expenses arising from frequent manual maintenance. KELLER officially stated that this product has been validated in various chemically aggressive environments, providing more reliable underlying hardware support for global utility and industrial wastewater treatment.
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