Keller Company Converter (K-114 Series)
The best way to connect Keller products to your PC! Easy to install!
The K-114 series converter is an interface converter for communicating between Keller devices (such as pressure sensors and level gauges) equipped with RS485 communication and a PC via USB. 【Features】 〇 RS485 (Keller device side) ⇔ USB communication (half-duplex communication) 〇 Power supply to connected devices from the PC 〇 Easy connection to devices and PC using the included cable 〇 Dedicated software is available in Japanese, license-free, and provided at no cost * K-114 series K-114, K-114-A, K-114-B, K-114-M, K-114-V
basic information
Interface: USB Sensor side interface: RS485, 0…40 mA, 0…12 V Power supply for sensor: 12 VDC Features: Compact design
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KELLER Pressure will exhibit at the Sewer Exhibition '26 in Tokyo! From August 4 to August 7, 2026, at Tokyo Big Sight, West Hall 1, Booth 1-702.
KELLER Pressure offers immersion-type high-precision level gauges that cater to a wide variety of applications. Optimized housing and cable designs tailored to specific applications and environments ensure reliable measurements even under harsh conditions. All piezoresistive level gauges are developed, manufactured, and calibrated at the headquarters in Winterthur, Switzerland, boasting Swiss quality and high precision that have been proven over many years. They not only achieve stable performance without the need for maintenance over long periods but also support various commonly used interfaces, enabling optimal integration and communication with systems. In particular, products compatible with RS485 are ideal for battery-operated and remote control systems in environmental measurement and water-related fields.
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KELLER Pressure will exhibit at the Sewer Exhibition '26 in Tokyo! From August 4 to August 7, 2026, at Tokyo Big Sight, West Hall 1, Booth 1-702.
KELLER Pressure offers immersion-type high-precision level gauges suitable for a wide range of applications. Optimized housing and cable designs tailored to specific applications and environments ensure reliable measurements even under harsh conditions. All piezoresistive level gauges are developed, manufactured, and calibrated at the headquarters in Winterthur, Switzerland, boasting Swiss quality and high precision that have been proven over many years. They not only achieve stable performance with no maintenance required for long periods but also support various commonly used interfaces, enabling optimal integration and communication with systems. In particular, products compatible with RS485 are ideal for battery-operated and remote control systems in environmental measurement and water-related fields.
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Our company is the Japanese branch of KELLER Pressure (Switzerland). Since its establishment, KELLER Pressure has developed and produced all its products at its factory in Winterthur, Switzerland, and is a leading manufacturer of pressure transducers and pressure transmitters, certified with ISO 9001. As a core business, we manufacture and sell over 1.3 million pressure measurement cells annually, offering products with pressure ranges from 5 mbar (500 Pa) to 2000 bar (200 MPa). With the extensive experience gained from all our products, our solutions can cater to a variety of applications. We are highly regarded as a manufacturer of high-precision pressure sensors and also accommodate OEM and custom products. We have received positive feedback from many customers. Contact: sales.jp@keller-pressure.com

























