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PRESSURE MEASUREMENT

Pressure transmitter
Pressure sensors

  • for pressure, vacuum, absolute pressure and differential pressure measurements

  • Pressure ranges from 0...10 mbar to 0...6,000 bar

  • Differential pressure ragens 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.

DIGITAL
Pressure transmitter with RS485 Modbus RTU protocol or IO-Link interface

Pressure transmitter DTC 531i

DCT 531i with stainless steel sensor
RS485 Modbus RTU
0...100 mbar to 0...400 bar
Accuracy ±0.1% FS

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Pressure transmitter DCT 531

DCT 531 with stainless steel sensor
RS485 Modbus RTU
0...100 mbar to 0...400 bar
Accuracy ±0.25% FS

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Pressure transmitter LPT 533-IO

LPT 533-IO with stainless steel sensor
IO-Link
0...100 mbar to 0...400 bar
Accuracy ±0.35% FS

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DCT 531i

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 531

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

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

ANALOG - Industrial versions
Pressure transmitter with analog output signals (e.g. current, voltage)

Pressure transmitter LPXi

LPXi with stainless steel sensor
0...400 mbar to 0...600 bar
Accuracy ±0.1% FS
Turn-Down: 1:10

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Pressure transmitter DMP 331i and DMP 333i

DMP 331i / 333i with st.st. sensor
0...400 mbar to 0...600 bar
Accuracy ±0.1% FS
Turn-Down: 1:10

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Pressure transmitter DMP 334i

DMP 334i with st.st. sensor (welded)
0...600 bar to 0...2,200 bar
Accuracy ±0.2% FS

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LPXi
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
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
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
Pressure transmitter DMP 320

DMP 320 with stainless steel sensor
0...100 mbar to 0...600 bar
Accuracy ±0.1/0.25% FS

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Pressure transmitter DMP 321

DMP 321 with stainless steel sensor
0...100 mbar to 0...600 bar
Accuracy ±0.1/0.25% FS

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Pressure transmitter DMP 331

DMP 331 with stainless steel sensor
0...100 mbar to 0...60 bar
Accuracy ±0.1/0.25/0.35% FS

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Pressure transmitter DMP 333

DMP 333 with stainless steel sensor
0...100 bar to 0...600 bar
Accuracy ±0.1/0.25/0.35% FS

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DMP 320

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

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

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

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

Pressure transmitter DMP 334

DMP 334 with stainless steel sensor
0...600 bar to 0...2,200 bar
Accuracy ±0.35% FS

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Pressure transmitter DMP 335

DMP 335 with stainless steel sensor
0...6 bar to 0...600 bar
Accuracy: ±0.5% FS

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Pressure transmitter LPT 336

LPT 336 with stainless steel sensor
0...16 bar to 0...1,000 bar
Accuracy ±0.5% FS

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Pressure transmitter DMP 343

DMP 343 with stainless steel sensor
0...10 mbar to 0...1 bar
Accuracy ±0.35% FS

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DMP 334
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 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 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 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
Pressure transmitter DMK 331

DMK 331 with ceramic sensor
0...400 mbar to 0...600 bar
Accuracy ±0.5% FS

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Pressure transmitter DMK 351

DMK 351 with ceramic sensor
0...40 mbar to 0...20 bar
Accuracy ±0.25/0.35% FS

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Pressure transmitter DMK 387

DMK 387 with ceramic sensor
0...100 mbar to 0...60 bar
Accuracy ±0.25/0.35% FS

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Pressure transmitter DMK 457

DMK 457 with ceramic sensor
0...400 mbar to 0...600 bar
Accuracy ±0.5% FS

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DMK 331
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
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
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
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
Pressure transmitter DMP 331P

DMP 331P
Front flush stainless steel diaphram
0...100 mbar to 0...40 bar
Accuracy ±0.25/0.35% FS

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Pressure transmitter LPT 333P

LPT 333P
Front flush stainless steel diaphram (flush welded)
0...60 bar to 0...600 bar
Accuracy ±0.25/0.35% FS

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Pressure transmitter DMK 331P

DMK 331P
Front flush stainless steel diaphram
0...60 bar to 0...400 bar
Accuracy ±0.5% FS

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Pressure transmitter DMK 351P

DMK 351P
Front flush ceramic sensor
0...40 mbar to 0...20 bar
Accuracy ±0.25/0.35% FS

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DMP 331P
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
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
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
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

Pressure transmitter 17.600G

17.600G
Stainless steel sensor, welded
0...6 bar to 0...600 bar
Accuracy ±0.5% FS

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Pressure transmitter 17.609G

17.609G
Stainless steel sensor, welded
0...6 bar to 0...60 bar
Accuracy ±0.5% FS

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Pressure transmitter 18.600G

18.600G
Stainless steel sensor without media separation
0...100 mbar to 0...6 bar
Accuracy ±0.5% FS

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Pressure transmitter 18.601G

18.601G with stainless steel sensor
0...100 mbar to 0...6 bar
Accuracy ±0.5% FS

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17.600G
Commercial Vehicles

Media:
Fuels and oils, oxygen

Industries:
Plant and mechanical engineering
Refrigeration
Medical technology
Commercial vehicles and mobile hydraulics
17.609G
Refrigeration

Media:
Fuels and oils, gases

Industries:
Plant and mechanical engineering
Refrigeration
18.600G
Pneumatics

Media:
Gases

Industries:
Plant and mechanical engineering
18.601G
General industrial applications

Media:
Fuels and oils, gases

Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology
Laboratory technology
Pressure transmitter 17.600G

26.600G with ceramic sensor
0...1 bar to 0...400 bar
Accuracy ±0.5% FS

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Pressure transmitter 17.609G

30.600G with ceramic sensor
0...1,6 bar to 0...250 bar
Accuracy ±0.5% FS

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26.600G
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
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

Differential pressure transmitter LPT 200

LPT 200 with stainless steel sensor
0...1 mbar to 0...20 bar
Static pressure max. 400 bar
Accuracy ±0.075% FS

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Differential pressure transmitter LPT 100

LPT 100 with stainless steel sensor
0...10 mbar to 0...20 bar
Static pressure max. 400 bar
Accuracy ±0.1% FS

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Differential pressure transmitter DMD 331

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

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Differential pressure transmitter DMD 831

DMD 831 with stainless steel sensor and digital display
0...1 bar to 0...70 bar
Accuracy ±1.0% FS

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LPT 200
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
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
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
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
Differential pressure transmitter DMD 341

DMD 341 with silicium sensor
0...6 mbar to 0...1 bar
Accuracy ±0.35/1.0/2.0% FS

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Differential pressure transmitter DPS 300

DPS 300 with silicium sensor
0...1,6 mbar to 0...1 bar
Accuracy ±0.5% FS

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Differential pressure transmitter DPS 200

DPS 200 with silicium sensor
0...6 mbar to 0...1 bar
Accuracy ±1.0% FS

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Differential pressure transmitter DS 1

DS1 + DS2
0...0,25 mbar to 0...1 bar

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DMD 341
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
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
Heating, ventilation, air-conditioning technology
LCD display

Media:
Gases

Industries:
Plant and mechanical engineering
Heating, air conditioning, ventilation technology
DS1 - DS2
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

Digital display PA 430

PA 430
Plug-on display for transmitter with output signal 4...20 mA (2-wire) or 0...10 V (3-wire)

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Digital display PA 440

PA 440
Field display for transmitters with output signal 4...20 mA (2-wire) or 0...10 V (3-wire)

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Digital display PA 450

PA 450
2-channel process display for difference formation for transmitters with output signal 4...20 mA (2-wire)

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Multi-channel process value display LDL 700

LDL 700
Multi-channel process value display TFT
with switching and analog outputs

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PA 430
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
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
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

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