Pressure transmitterPressure sensors
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for pressure, vacuum, absolute pressure and differential pressure measurements
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Pressure ranges from 0...10 mbar to 0...6,000 bar
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Differential pressure ranges from 0...1 mbar to 0...70 bar
Due to different sensor technologies, combined with housing materials made of stainless steel and various plastics, the industrial pressure transmitters are suitable for almost all industrial gases and liquids.
Thanks to a wide range of electrical and mechanical connections, they can be adapted to any task.
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DIGITAL: Pressure transmitter with digital output (RS485 Modbus or IO-Link)
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ANALOG: Industrial pressure transmitter with e-Druckmessumformer with analog current or voltage output
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OEM: Pressure transmitter with analog current or voltage output
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DIFFERENTIAL PRESSURE: Transmitter for the acquisition of differential pressure
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DISPLAYS: Digital process value and plug-on displays
DIGITAL
Pressure transmitter with RS485 Modbus RTU protocol or IO-Link interface

DCT 531i with stainless steel sensor
RS485 Modbus RTU
0...100 mbar to 0...400 bar
Accuracy ±0.1% FS
DCT 531i digital pressure transmitter
Excellent temperature behavior
Excellent long-term stability
Reset function
Options:
Pressure connection 1/2" BSP front-flush up to max. 40 bar
Pressure sensor welded
Customized versions
Media:
Fuels and oils, water, gases
Industries:
Plant and mechanical engineering
Energy industry

DCT 531i digital pressure transmitter
Excellent temperature behavior
Excellent long-term stability
Options:
Pressure connection 1/2" BSP front-flush up to max. 40 bar
Pressure sensor welded
Customized versions
Media:
Fuels and oils, water, gases
Industries:
Plant and mechanical engineering
Energy industry

LPT 533-IO digital pressure transmitter
Excellent temperature behavior
Excellent long-term stability
Options:
Pressure connection G 1/2" flush with front up to max. 40 bar
Pressure sensor welded
Customized versions
Media:
Fuels and oils, water, gases
Industries:
Plant and mechanical engineering
Energy industry

LPT 541 digital pressure transmitter
Especially for hydrogen applications and use with Oxygen
Output signal: RS485 with Modbus RTU protocol
Wetted parts in special stainless steel
Insensitive to pressure peaks
High overpressure capability
Free of oil and grease, according to ISO 15001 (e.g. for oxygen applications)
Options:
Customer specific versions
Media:
Hydrogen, Technical gases
Industries:
Fuel cell
Medical technology
ANALOG - Industrial versions
Pressure transmitter with analog output signals (e.g. current, voltage)

LPXi pressure transmitter
Two-chamber die-cast aluminum housing or stainless steel field housing
Internally or flush welded diaphragm
HART® communication
Options:
Explosion protection: flameproof enclosure (d)
SIL2 version acc. to IEC 61508/IEC 61511
Integrated display and adjustment module
Special materials such as Hastelloy® and tantalum
Temperature decoupler for medium temperature up to 300°C
Media:
Paints and lacquers, viscous and pasty media
Industries:
Plant and mechanical engineering
Chemistry
Medical technology
Food and beverage industry
Oil and gas industry
Packaging and paper industry

DMP 331i / DMP 333i pressure transmitter
Communication interface for setting offset, span and damping.
Options:
Ex version (Ex ia)
Factory setting to other nominal pressure ranges.
Industries:
Plant and mechanical engineering
Energy industry
Laboratory technology

DMP 334i pressure transmitter
Very good accuracy
Extremely robust and long-term stable
Options:
Compact field housing
Pressure connection M20 x 1.5 or 9/16 UNF
Different kinds of electrical connections
Media:
Fuels and oils
Industries:
Plant and mechanical engineering
Test benches
Commercial vehicles and mobile hydraulics

DMP 320 pressure transmitter
Very short response time ≤ 0.5 ms
Excellent temperature behavior
Very good long-term stability
Media:
Fuels and oils, water, gases.
Industries:
Plant and mechanical engineering
Energy industry

DMP 321 pressure transmitter
Universal applications
Excellent temperature behavior
Excellent long-term stability
Compact design
Options:
Ex version
Welded pressure sensor
Customized versions
Industries:
Plant and mechanical engineering
Energy industry
Commercial vehicles and mobile hydraulics
Environmental technology

DMP 331 pressure transmitter
Universal applications
Excellent temperature behavior
Excellent long-term stability
Flush front pressure connection 1/2" BSP from 100 mbar
Options:
Ex version
Welded pressure sensor
Customized versions
Media:
Fuels and oils, water, gases
Industries:
Plant and mechanical engineering
Energy industry
Heating, air conditioning, ventilation technology
Environmental technology

DMP 333 pressure transmitter
Universal applications
Excellent temperature behavior
Excellent long-term stability even under high dynamic pressure loads
Insensitive to pressure peaks
Highly overload capable
Options:
Ex version
SIL-2 version
Customized versions
Media:
Fuels and oils
Industries:
Plant and mechanical engineering
Refrigeration
Commercial vehicles and mobile hydraulics

DMP 334 pressure transmitter
Pressure sensor welded
Extremely robust and long-term stable
Options:
Ex version
M20x1.5 or 9/16 UNF pressure connection
Adjustability of zero and span
Customized versions
Media:
Fuels and oils
Industries:
Plant and mechanical engineering
Laboratory technology
Commercial vehicles and mobile hydraulics

DMP 335 pressure transmitter
Pressure sensor welded
Suitable for oxygen applications
Insensitive to pressure peaks
Highly overload capable
Options:
Ex version
Customized versions
Media:
Fuels and oils, water, oxygen
Industries:
Plant and mechanical engineering
Energy industry
Refrigeration
Medical technology
Commercial vehicles and mobile hydraulics

LPT 336 pressure transmitter
Pressure sensor welded
Wetted components made of special stainless steel
Insensitive to pressure peaks
Highly overload capable
Free of oil and grease, based on ISO 15001
Options:
Ex version Ex ia (intrinsically safe for gases and dust).
Media:
Hydrogen, gases, oxygen
Industries:
Fuel cells
Technical gases
Hydrogen
Medical technology

DMP 343 pressure transmitter
Pressure sensor without medium separation
Low temperature error
Very good long-term stability
Very good linearity
Options:
Ex version
Customized versions
Media:
Fuels and oils, gases
Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology

DMK 331 pressure transmitter
Universal applications
Pressure connection 1/2" BSP flush for pasty and contaminated media
Options:
Ex-version
SIL 2 version
Pressure connection 1/2" BSP open made of PVDF for aggressive media
Oxygen version
Customized versions
Media:
Fuels and oils, water
Industries:
Plant and mechanical engineering
Energy industry
Medical technology
Environmental technology

DMK 351 pressure transmitter
Laboratory technology, biogas plants
High media resistance
Options:
Ex-version
Separating diaphragm made of 99.9% Al203
Customized versions
Media:
Fuels and oils, water, gases.
Industries:
Plant and mechanical engineering
Energy industry
Heating, air conditioning, ventilation technology
Laboratory technology
Environmental technology

DMK 387 pressure transmitter
Optional for very aggressive media
High overload capacity
Options:
Pressure connection made of PVDF or PP-HT
Ex-version
Customized versions
Media:
Water, optionally aggressive media such as sodium hydroxide solution or hydrochloric acid
Industries:
Plant and mechanical engineering
Laboratory technology

DMK 457 pressure transmitter
Marine, Offshore, Shipping
Shipping Approvals LR (Lloyd's Register), GL (Germanischer Loyd), DNV (Det Norske Veritas), CCS (China Classification Society).
Options:
Ex-version
Pressure connection made of CuNiFe (seawater resistant)
Oxygen version
Media:
Fuels and oils, water, optional seawater
Industries:
Plant and mechanical engineering
Shipping and offshore

DMP 331P pressure transmitter
Hygienic applications
Hygienic process connections
Low surface roughness membranes
CIP/SIP cleaning up to 150°C
Vacuum proof
Options:
Ex version
SIL 2 version
Temperature decoupler for media temperature up to 300°C
Special materials made of Hastelloy® or tantalum
Media:
Water, viscous and pasty media
Industries:
Medical technology
Food and beverage industry

LPT 333P
Front flush stainless steel diaphram (flush welded)
0...60 bar to 0...600 bar
Accuracy ±0.25/0.35% FS
LPT 333P pressure transmitter
Hydrogen applications
Mechanical and plant engineering
Options:
Gold-plated process connection for hydrogen applications
Ex version (in preparation)
Temperature decoupler for media temperature up to 200°C
Customized versions
Media:
Hydrogen, viscous and pasty media
Industries:
Mechanical and plant engineering

DMK 331P pressure transmitter
Hygienic applications
Suitable for viscous and pasty media
Options:
Ex version
SIL 2 version
Food grade filling medium with FDA approval
Temperature decoupler for media temperature up to 300°C
Customized versions
Media:
Paints and lacquers, viscous and pasty media
Industries:
Plant and mechanical engineering
Food and beverage industry

DMK 351P pressure transmitter
Hygienic applications
High overload capacity
Wide variety of process connections (1" BSP cone, clamp, milk pipe, etc., 1/2" BSP milk pipe, clamp, etc.)
Options:
Ex version
Separating diaphragm made of 99.9% Al203
Customized versions (e.g. special measuring ranges)
Media:
Waste water, paints and varnishes, viscous and pasty media.
Industries:
Plant and mechanical engineering
Chemistry
Laboratory technology
Medical technology
Food and luxury food industry
Packaging and paper industry
ANALOG - OEM versions
Pressure transmitter with analog output signals (e.g. current, voltage), particularly cost-effective

17.600G pressure transmitter OEM
Commercial Vehicles
Media:
Fuels and oils, oxygen
Industries:
Plant and mechanical engineering
Refrigeration
Medical technology
Commercial vehicles and mobile hydraulics

17.609G pressure transmitter OEM
Refrigeration
Media:
Fuels and oils, gases
Industries:
Plant and mechanical engineering
Refrigeration

18.600G pressure transmitter OEM
Pneumatics
Media:
Gases
Industries:
Plant and mechanical engineering

18.601G pressure transmitter OEM
General industrial applications
Media:
Fuels and oils, gases
Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology
Laboratory technology

26.600G pressure transmitter OEM
Universal applications
Options:
Oil and grease-free version
Media:
Fuels and oils, gases
Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology
Commercial vehicles and mobile hydraulics

30.600G pressure transmitter OEM
Universal applications
Media:
Fuels and oils, gases
Industries:
Plant and mechanical engineering
Energy industry
Commercial vehicles and mobile hydraulics
DIFFERENTIAL PRESSURE
Differential pressure transmitter with analog output signals (e.g. current, voltage), partly with integrated digital display

LPT 200 with stainless steel sensor
0...1 mbar to 0...20 bar
Static pressure max. 400 bar
Accuracy ±0.075% FS
LPT 200 differential pressure transmitter
Optional with LED display
Process, oil and gas industry
HART® communication
Output signal linear or square root
Aluminum housing (option: stainless steel)
Media:
Fuels and oils, water
Industries:
Plant and mechanical engineering
Chemistry
Energy industry
Food and beverage industry
Oil and gas industry

LPT 100 with stainless steel sensor
0...10 mbar to 0...20 bar
Static pressure max. 400 bar
Accuracy ±0.1% FS
LPT 100 differential pressure transmitter
Test engineering, plant and mechanical engineering
HART communication
Compact design
Die-cast aluminum housing
Industries:
Plant and mechanical engineering
Energy industry
Food and beverage industry
Medical technology
Environmental technology

DMD 331 with stainless steel sensor
0...20 mbar to 0...16 bar
Static pressure (one-sided) up to 30-fold measuring range
Accuracy ±0.5% FS
DMD 331 differential pressure transmitter
Plant and mechanical engineering
Two piezoresistive pressure sensors
Media separation by stainless steel diaphragm made of 1.4435
Compact design
Mechanically robust and reliable under dynamic pressure loads as well as shock and vibration exposure
Media:
Fuels and oils, water
Industries:
Plant and mechanical engineering
Energy industry

DMD 831 differential pressure transmitter
Plant and mechanical engineering
Two piezoresistive pressure sensors
Display and pressure connection rotatable
Media:
Fuels and oils, water, gases
Industries:
Plant and mechanical engineering
Chemistry
Energy industry
Heating, air conditioning, ventilation technology
Food and luxury food industry

DMD 341 differential pressure transmitter
Plant and mechanical engineering
Compact and robust aluminum housing
Relative and differential pressure measurement
Suitable for non-aggressive gases and compressed air
Very good long-term stability
Media:
Gases
Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology

DPS 300 differential pressure transmitter
Ventilation, air conditioning, medical technology
Switchable measuring ranges
Adjustable damping
Options:
LCD display, 2 lines
Automatic zeroing
Switching outputs
Square root output signal
Media:
Gases
Industries:
Medical technology
Heating, air conditioning, ventilation technology

DPS 200 differential pressure transmitter
Heating, ventilation, air-conditioning technology
LCD display
Media:
Gases
Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology

DS1 + DS2 differential pressure transmitter
Monitoring of air filters and control of blowers
Monitoring of air flows
Pressure control in pressure chambers
Media:
Air, non-aggressive gases
Industries:
Heating, air conditioning, ventilation technology
Medical technology
Plant and mechanical engineering
DISPLAYS
Digital process value displays, plug-on displays, partly multi-channel

PA 430 LED display
4-digit LED display
Input 4...20 mA / 0...10 V
Output 0/1/2 PNP contacts; 4...20 mA, 0...10 V
Freely scalable display
Display rotatable by 330
Connector rotatable by 300
No external power supply required
Options:
Ex-version
1 or 2 switching outputs
(switching mode, hysteresis, delay of switching outputs programmable)

PA 440 LCD display
4-digit LCD display
Pressure compensation element with PTFE filter
Freely scalable display
No external power supply required
Options:
Ex-version
2 switching outputs
(switching mode, hysteresis, delay of switching outputs programmable)
LED display (instead of LCD)

PA 450
2-channel process display for difference formation for transmitters with output signal 4...20 mA (2-wire)
PA 450 LED display
Mathematical difference formation
Different display modes for displaying the difference or the single value of the respective analog input
Simulation possibility of the switching output and the analog output
Easy to use menu system for configuration of display, switching outputs, etc.
Options:
3-wire analog output 0...10 V
1 or 2 switching outputs
Square root output signal

LDL 700 LCD display
Option: with data logger
Touchscreen
8 integrated PD/PI/PID controllers
RS-485 interface, Modbus RTU
USB host port + USB device port
Assignment of max. 60 channels by inputs, outputs, mathematical/logical functions, controllers, profiles and virtual outputs