Keller Product Brochure
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MADE TO MEASURE PRESSURE PRODUCTS5 PRESSURE TRANSDUCERS6 PRESSURE TRANSMITTERS10 LEVEL PROBES 18 DATA LOGGERS

MADE TO MEASURE PRESSURE PRODUCTS Product overview KELLER is known for Swiss quality and precision. Ever since being established, the company has developed and produced its products at its facilities in Winterthur. For more than 45 years, we have been pairing expertise with innovative spirit to find the right solutions for each individual application. The customer‘s wishes are our key focus. MADE TO MEASURE PRESSURE Pressure Transducers Pressure Transmitters Data Loggers Wireless Solutions Level Probes Digital Pressure Gauges Custom Solutions

MADE TO MEASURE PRESSURE PRESSURE TRANSDUCERS Encapsulated piezoresistive pressure transducers for absolute and gauge pressure measurement are KELLER‘s core competence and lie at the heart of all KELLER products for end users. They have proved their worth millions of times over and are a reliable base for any measuring system. Transducers can be adjusted and optimised according to your needs. Pressure Transducers Series 4L PRESSURE RANGES LONG TERM STABILITY Steel 1.4435, Hastelloy C-276, Inconel 718 Steel 1.4435, Inconel 718, Titanium DIMENSIONS TEMPERATURE RANGE

MADE TO MEASURE PRESSURE Miniature Pressure Transducers without Oil Filling OEM Differential Pressure Transducers Series PD-10L PRESSURE RANGES LINE PRESSURE ACCURACY DIMENSIONS TEMPERATURE RANGE PRESSURE CONNECTION PRESSURE RANGES DIMENSIONS TEMPERATURE RANGE Elastomer coating OEM Pressure Transducers with Thread PRESSURE CONNECTION PRESSURE RANGES ACCURACY TEMPERATURE RANGE OEM Pressure Transducers Special Designs PRESSURE RANGES ACCURACY LONG TERM STABILITY DIMENSIONS TEMPERATURE RANGE

MADE TO MEASURE PRESSURE PRESSURE TRANSMITTERS Pressure transmitters are sensors that use additional electronics to compensate for linearity deviations and temperature errors, outputting measurement results as standardised signals. Every transmitter is measured over the entire pressure and temperature profile and compared to the desired signal span. Standard Pressure Transmitters Series 21PY PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE RANGE Front-Flush Pressure Transmitters Series 25Y PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE RANGE «Thanks to our...

MADE TO MEASURE PRESSURE High Temperature Pressure Transmitters Series M5HB PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE RANGE Differential Pressure Transmitters Series PD-33X PRESSURE RANGES ACCURACY LINE PRESSURE INTERFACES SPECIAL CHARACTERISTICS Classic «wet-wet» Line pressure measurement Line pressure measurement Capacitive sensor Automotive Pressure Transmitters PRESSURE RANGES TOTAL ERROR BAND INTERFACES SPECIAL CHARACTERISTICS HOMOLOGATION

MADE TO MEASURE PRESSURE Intrinsically Safe Pressure Transmitters Series 23SY-Ei PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE RANGE Flame Proof Pressure Transmitters Series 33X-Ed PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES Series 4LC PRESSURE RANGES ACCURACY TOTAL ERROR BAND

MADE TO MEASURE PRESSURE Series 6LHPC PRESSURE RANGES ACCURACY TOTAL ERROR BAND Intrinsically Safe OEM Pressure Transmitters PRESSURE RANGES ACCURACY TOTAL ERROR BAND IO-Link and CANopen Pressure Transmitters Analog Pressure Transmitters Series 23 PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE RANGE Series 25 PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES TEMPERATURE R

MADE TO MEASURE PRESSURE LEVEL PROBES Submersible probes for level and fill measurement. With a special design and cable and housing materials that have been chosen for compatibility with their surroundings, these probes can be used in a wide range of liquids. Standard Level Probes Series 26Y PRESSURE RANGES ACCURACY TOTAL ERROR BAND INTERFACES SPECIAL CHARACTERISTICS Compact design High accuracy Plastic diaphragm Reduced diameter Optimum accuracy Maximum resolution Ceramic measuring cell Multi-Parameter Probe Intrinsically Safe Level Probes Series 26Y-Ei PRESSURE RANGES ACCURACY TOTAL...

MADE TO MEASURE PRESSURE DATA LOGGERS A variety of data logger designs for recording pressure and temperature profiles. Depending on the system, the data is read out via a plug connection or remote transfer. Level Loggers PRESSURE RANGES TOTAL ERROR BAND READING CAPACITY Slender design Available in different versions With integrated barometer Special plastic housing Capacitive sensor SPECIAL CHARACTERISTICS Multi-Parameter Loggers PRESSURE RANGES TOTAL ERROR BAND READING CAPACITY Additional conductivity measurement

MADE TO MEASURE PRESSURE Pressure Loggers LEO-Record PRESSURE RANGES ACCURACY TOTAL ERROR BAND READING CAPACITY Measured value recording Data logger with battery SPECIAL CHARACTERISTICS Remote Transmission Units with Data Logger ARC1-Tube CONNECTIVITY SENSOR INTERFACES BATTERY LIFE DIMENSIONS SPECIAL CHARACTERISTICS 2G / 3G / 4G / NB-IoT / LTE-M / LoRa For intrinsically safe transmitters «The success of a project hinges on the exchange of information at the interfaces. We are committed to offering a wide range of protocols and electrical interfaces for seamless system integration and...

MADE TO MEASURE PRESSURE DIGITAL PRESSURE GAUGES High-quality digital pressure gauges with easy to read displays and practical additional functions. Display units for use with KELLER transmitters or for processing standard signals from other sources. Digital Pressure Gauges LEO1 PRESSURE RANGES ACCURACY INTERFACES SPECIAL CHARACTERISTICS Peak recording Measured value recording TOTAL ERROR BAND Peak recording Measured value recording Intrinsically Safe

MADE TO MEASURE PRESSURE Digital Pressure Gauges DaVinci Line dV2 PRESSURE RANGES ACCURACY TOTAL ERROR BAND SPECIAL CHARACTERISTICS Also available as OEM module Stored vapour pressure curves Programmable pressure switch Customer-Specific Front Foils and Options The front foils of KELLER manometers can be designed and printed according to custom