Series - Import export

The high-pressure transducers of the 7LHP series have a robust housing made of stainless steel, giving them optimum long-term stability for a range of OEM applications. The metal diaphragm is welded on front-flush and gap-free, separating off the piezoresistive pressure sensor, which is made of silicon, from the measuring medium. Every pressure transducer is measured over the entire pressure and temperature profile and is supplied with a detailed calibration sheet.

The pressure transducers of the PD-10L series have been developed to measure differential pressure. These OEM pressure transducers have a single silicon diaphragm in their interior, which is pressurised from both sides and measures the pressure difference directly. This design enables them to measure tiny pressure differences even at an extremely high line pressure.

The high-pressure transducers of the 7LHPI series have a robust housing made of Inconel, giving them optimum long-term stability for a range of OEM applications. The metal diaphragm is welded on front-flush and gap-free, separating off the piezoresistive pressure sensor, which is made of silicon, from the measuring medium. Every pressure transducer is measured over the entire pressure and temperature profile and is supplied with a detailed calibration sheet.

The high-pressure transducers of the 10LHP series have a robust housing made of stainless steel, giving them optimum long-term stability for a range of OEM applications. The metal diaphragm is welded on front-flush and gap-free, separating off the piezoresistive pressure sensor, which is made of silicon, from the measuring medium. Every pressure transducer is measured over the entire pressure and temperature profile and is supplied with a detailed calibration sheet.

The high-pressure transducers of the 7LHPTi series have a robust housing made of titanium, giving them optimum long-term stability for a range of OEM applications. The metal diaphragm is welded on front-flush and gap-free, separating off the piezoresistive pressure sensor, which is made of silicon, from the measuring medium. Every pressure transducer is measured over the entire pressure and temperature profile and is supplied with a detailed calibration sheet.

The miniature pressure transducer M5 takes its name from the fine M5 thread at the sensor head that makes it possible to take measurements in places which are difficult to access and in narrow pipelines. Together with its ability to measure media at temperatures of up to 180 °C in a dynamic range from 0 to 50 kHz, this makes it ideally suited to measurements on engine test benches.

These low-cost miniature pressure transducers have been specially developed for very rapid hydrodynamic and aerodynamic in situ pressure measurements. The 2Mi sensors are available in a variety of housing designs and can simply be stuck on at the desired location. Despite its miniature design, the sensor chip is protected against external influences by a steel housing and a silicone elastomer coating. It can also be used in liquids.

The pressure transmitters of the 21C series with ratiometric 0,5...4,5V output combine chip-in-oil measuring cells with conventional electrical connections and pressure connections, making them ideal for industrial use. The transmitters are extremely resistant to environmental influences and deliver accurate measurement results over a temperature range of -40 °C to 125 °C.

The pressure transmitters of the 23SY series are designed for elevated requirements in industrial applications. Thanks to its modular concept, this series is highly flexible and makes it possible to realise customer-specific requirements in very little time. The sophisticated compensation circuit makes it possible to specify a narrow total error band.

The pressure transmitters of the 33X series use digital compensation with a mathematical model to achieve exceptional accuracy of 0,05 %FS – in the temperature range from 10 to 40 °C, this value even corresponds to the total error band. Additional measurements and selections can optionally be used to achieve a precision (and also, if calibrated in an accredited test laboratory, an accuracy) of 0,01 %FS. In addition to the digital RS485 interface, the X-line transmitters have a rangeable, analog current or voltage output.

The pressure transmitters of the 9LC series use the chip-in-oil developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Hastelloy. The transmitters are extremely resistant to environmental influences and deliver compensated measurement results as an analog, ratiometric 0,5...4,5V output signal over a wide temperature range.

The pressure transmitters of the 9LD series use the chip-in-oil technology developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Hastelloy. The transmitters are extremely resistant to environmental influences and delivery highly accurate measurement results as a digital output signal. The I2C interface and the low supply voltages make it easy to integrate in microcontroller-based systems. The extremely low power consumption is ideal for battery-operated devices. The D line is perfect for IoT solutions.

The capacitive pressure transmitters of the 41X series are designed for measuring relative pressure values in the mbar and µbar range. They use digital compensation with a mathematical model to achieve an accuracy of 0,1 %FS – in the temperature range from 10 to 40 °C, this value even corresponds to the total error band. In addition to the digital RS485 interface, the X-line transmitters have a rangeable analog current or voltage output.

The compact pressure transmitters of the 21PY series with 0,5...4,5V output have a diameter of just 15 mm and weigh in at less than 20 g. The sophisticated compensation circuit makes it possible to specify a narrow total error band.

The pressure transmitters of the 35XHTT series are suitable for use in media temperatures up to 150 °C and can therefore be used in bioreactors and autoclaves that have to be sterilised regularly. They use digital compensation with a mathematical model to achieve an accuracy of 0,15 %FS – in the temperature range from 10 to 40 °C, this value even corresponds to the total error band. The standard model of the 35XHTT series has a G1/2 thread as pressure connection.

The 9FLD series is a special version of the 9LD pressure transmitter. The flanged housing can be mounted using an O-ring or welded on. As with all D-line products, the chip-in-oil technology developed by KELLER is used here, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Hastelloy.The I2C interface and the low supply voltages make it easy to integrate in microcontroller-based systems. The extremely low power consumption is ideal for battery-operated devices. The D line is perfect for IoT solutions.

The high-pressure transmitters of the 6LHPC series use the chip-in-oil technology developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Inconel. The transmitters are extremely resistant to environmental influences and deliver compensated measurement results as an analog, ratiometric 0,5...4,5V output signal over a wide temperature range.

The pressure transmitters of the 6LHPD series for high pressure applications use the chip-in-oil technology developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Inconel. The transmitters are extremely resistant to environmental influences and delivery highly accurate measurement results as a digital output signal. The I2C interface and the low supply voltages make it easy to integrate in microcontroller-based systems. The extremely low power consumption is ideal for battery-operated devices. The D line is perfect for IoT solutions.

The pressure transmitters of the 7LHPD series for high pressure applications use the chip-in-oil technology developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Inconel. The transmitters are extremely resistant to environmental influences and delivery highly accurate measurement results as a digital output signal. The I2C interface and the low supply voltages make it easy to integrate in microcontroller-based systems. The extremely low power consumption is ideal for battery-operated devices. The D line is perfect for IoT solutions.

The series 23 pressure transmitters are designed for industrial applications and are based on the highly stable pressure transducers of the 10L series and a fully analog circuit. Thanks to its modular concept, this series can be flexibly adapted to customer-specific pressure connections and connector plugs.

In the high-precision level sensors of the 36XW series, the temperature dependence and nonlinearity are precisely compensated for in the microcontroller by means of a mathematical model. In addition to the RS485 interface, the measurement results can also be output via the integrated D/A converter as a rangeable analog signal. Extended lightning protection is also available as an option.

The 36KyX series was specially developed for brackish water and sewage applications. It is equipped with a non-fouling Kynar separating diaphragm, which combines the anti-adhesion properties of PTFE with outstanding hardness and abrasion resistance. This level sensors design can be readily installed in harsh environments, eliminating the need for bulky, costly protective equipment. In addition to the RS485 interface, the measurement results can also be output via the integrated D/A converter as a rangeable analog signal.

The high-precision level sensors of the 36XiW series measure with ultra-high accuracy and resolution. Temperature dependence and nonlinearity are precisely compensated for in the microprocessor by means of a mathematical model. They can be supplied with either an RS485 or SDI-12 interface. In addition to the pressure sensor for the level measurement, it is also possible to integrate a Pt1000 that is calibrated to ±0,1 °C from 0...50 °C. Extended lightning protection comes as standard with the SDI-12 interface and is available as an option for the RS485 interface.

The pressure transmitters of the 7LC series use the chip-in-oil developed by KELLER, uniting a pressure measuring cell, digital temperature compensation and signal processing in a compact housing made of stainless steel or Hastelloy. The transmitters are extremely resistant to environmental influences and deliver compensated measurement results as an analog, ratiometric 0,5...4,5V output signal over a wide temperature range.

Our 6mm stainless steel "jewel". Often used in medical engineering and microdosing. Can be used as a complete valve or cartridge. screw connection G 1/4” DN06

With a small diameter of just 16 mm, these level sensors are ideally suited to use in small spaces, such as narrow monitoring pipes. The measurement results can be read out via the 4...20 mA output or the RS485 interface. Extended lightning protection is integrated as standard.

The level sensors of the 46X series combine a ceramic measuring cell for very low measuring ranges on the mbar scale with microprocessor electronics for compensating for temperature dependence and nonlinearity. In addition to the digital RS485 interface, the sensors also have a rangeable analog output.

The level sensors of the 26Y series are budget-friendly, but still offer high accuracy and excellent long-term stability. They are available in versions for absolute or relative pressure. With a start-up time of just 5 ms, the Y line is ideally suited to data logger applications.

The series 25 pressure transmitters with a front-flush separating diaphragm are designed for industrial applications and are supplied with a G1/2" or G3/4" male pressure port. They are based on a fully analog circuit.