All Pressure Transmitters
Pressure Transmitters for Industrial Applications
Pressure Transmitters for Hazardous Applications
Pressure Transponder with passive RFID Interface
Pressure Transmitters for Biotechnology / Food Industries
Intelligent Transmitter with Digital Indication





KELLER UK
First Floor
Little Keep Gate
Dorchester, Dorset, DT1 1AH
Tel. 01305 239260
Fax. 0845 643 2866
email. sales@keller-pressure.co.uk


Pressure Transmitters for Industrial Applications
Series 4LC .. 9LC, Small capsule

Series 4LC .. 9LC, Small capsule

Small pressure transmitter capsules. Signal 0.5...4.5V ratiometric to 5V supply. Laser welded media isolation diaphragms. Sizes 11mm to 19mm. Pressure ranges 0...1bar thru 0... 1000bar, Temperature compensated 0...50°C or -10 ...80°C.
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Series 22 M/S

Series 22 M/S

Series 22 offers a reliable cost effective solution for customers requiring medium to high quantities, of mass produced transmitters. Pressure range 5...250 bar (abs./rel.)
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Series 4LD .. 9LD, Small capsule I2C signal

Series 4LD .. 9LD, Small capsule I2C signal

Small I2C pressure transmitter capsules. Signal I2C, low power 1.8V..3.6V supply. Laser welded media isolation diaphragms. Sizes 11mm to 19mm. Pressure ranges 0...1bar through 0...1000bar.
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Series 23 / 25

Series 23 / 25

These piezoresistive transmitters have been designed for precision applications in industrial environments for pressures ranging from 0,2 to 1000 bar, liquids or gas.
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Series M5 HB, Ultra Fast

Series M5 HB, Ultra Fast

Ultra fast 50kHz pressure transmitter. M5 thread, 0-10V signal. Media Compatibility: Oil, fuels (diesel, petrol, etc.), gases, coolants, etc. Pressure ranges 0...3bar Abs., 0...10bar Abs., and 0...30bar Abs.. Also available as sensor only.
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Series 23 SY / 25 Y

Series 23 SY / 25 Y

The Series 23 (S)Y/25 Y product line is outstanding due to its extreme ruggedness towards electromagnetic fields. Pressure ranges: 0...100 mbar to 0...1000 bar.
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Series 21 C, Industrial Transmitter

Series 21 C, Industrial Transmitter

Low Cost pressure transmitter for industrial and auotmotive applications. Signal 0.5...4.5V ratiometric to 5V supply. Pressure ranges 0...1bar through 0... 1000bar, Temperature compensated. Choice of process threads and electical connections.
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Series 33X 35X

Series 33X 35X

Highly Precise Pressure TransmiTTers, mathematically compensated / Programmable. Digital or Analogue Output. The Series are based on the stable, floating piezoresisitive transducer.
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Series PRD-33 X

Series PRD-33 X

The Series PRD-33 X was developed for applications that require a high accuracy differential pressure measurement together with high overload resistance in differential pressure ranges as low as 350 mbar.
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Series 21 PY

Series 21 PY "Pisello"

Ultramodern welding techniques and advances in the miniaturization of electronic circuits now make it possible to manufacture a pre-insulated, piezoresistive micro-transmitter. Pressure range: 10 bar FS to 600 bar FS (abs.)
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Series PD-39 X / PD-39 X Ei

Series PD-39 X / PD-39 X Ei

The Series PD-39 X does not measure the differential pressure directly - instead, it uses two absolute pressure sensors to take the measurement indirectly.
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Series 21 Y

Series 21 Y

The Y-line transmitters have an extremely small temperature error. This is achieved using an additional circuit containing a temperature sensor that subdivides the temperature range into fields that are 1,5 Kelvin (K) wide. Pressure range: 2...1000 bar.
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Series 41 X / 41 X Ei

Series 41 X / 41 X Ei

The Series 41X combines the ceramic measurement cell for low pressure ranges with the uP electronics of the digital Series 30 transmitter. Output can be displayed and stored on a PC via an RS485 interface and programming can also be carried out.
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Series 22 DT

Series 22 DT

For automotive and industrial applications. Developed specially for use in so-called "bivalent" vehicles fitted with engines for combined natural gas/gasoline operation.
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Pressure Transmitters for Hazardous Applications
Series 23 Ed / 25 Ed, 33 X Ed / 35 X Ed

Series 23 Ed / 25 Ed, 33 X Ed / 35 X Ed

These piezoresistive pressure transmitters with pressure proof housing are approved for use in explosion risk areas of group II. They provide stable and accurate measurements of absolute and gauge pressures of liquid and gaseous media in the pressure range between 0,1 and 300 bar.
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Series 41 X Ei

Series 41 X Ei

The Series 41X Ei is intrinsically safe version of Series 41X. It is used in explosion exposed areas, where the categories 1 and 2 are required. Output can be displayed and stored on a PC via an RS485 interface and programming can also be carried out.
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Series 23 SY Ei / 25 Y Ei / 26 Y Ei

Series 23 SY Ei / 25 Y Ei / 26 Y Ei

These piezoresistive pressure transmitters are approved for use in highly explosion risk areas of group II (gas and dust).
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Series 46 X / 46 X Ei

Series 46 X / 46 X Ei

The Series 46 X combines the ceramic measuring cell for low pressure ranges with the uP-electronics of the digital Series 30 pressure transmitters. Output can be shown and stored on a PC and can be reprogrammed. Series 46X Ei is intrinsically safe version. It is used in explosion exposed areas, where the categories 1 and 2 are required.
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Series 33 X Ei (LV) / 35 X Ei (LV) / 36 XW Ei (LV) / PD-33 X Ei (LV)

Series 33 X Ei (LV) / 35 X Ei (LV) / 36 XW Ei (LV) / PD-33 X Ei (LV)

These piezoresistive pressure transmitters are approved for use in high explosive gas and dust atmospheres of groups I (mining industry) and II (industrial applications) where there is a high risk of explosion.
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Series D Ei

Series D Ei

With the intrinsically safe D-line, KELLER introduces a unique combination consisting of an exceedingly robust industrial pressure transducer and the popular I2C microcontroller interface for applications in strongly hazardous areas of the gas group II (industry applications).
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Series PD-39 X / PD-39 X Ei

Series PD-39 X / PD-39 X Ei

The Series PD-39 X does not measure the differential pressure directly - instead, it uses two absolute pressure sensors to take the measurement indirectly.
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Pressure Transponder with passive RFID Interface
Series 21 D(C) RFID

Series 21 D(C) RFID

With passive RFID Transponder Interface This series is a unique combination of an extremely sturdy, tried-and-tested industrial pressure transmitter and RFID (radio frequency identification) wireless technology.
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Pressure Transmitters for Biotechnology / Food Industries
Series 25F

Series 25F

These pressure transmitters have been designed for applications in the food- and beverage industries. For further information contact your nearest KELLER sales person
Series 35 X HTC

Series 35 X HTC

This piezoresistive high temperature transmitter is suited for media temperatures up to 300°C.
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Series 35 X HT(T)

Series 35 X HT(T)

Piezoresistive pressure transmitter for applications in bio-reactors or autoclaves. The transmitter is compensated up to 150 °C and may be operated continuously or sterilised at this level, including the special circuit electronics.
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Intelligent Transmitter with Digital Indication
LEO 3

LEO 3

Micro-processor based transmitter with digital double display for pressure (top of display) and for the analog output signal (bottom display). The display is powered from the 4...20 mA current loop.
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