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Pressure Sensors & Transmitters for Relative and Absolute Pressure

High Precision Pressure Sensors and Transmitters with digital display

Digital pressure sensor Precont TN
Inside placed capacitive ceramic membrane; Precisionup to0,05%; 2-wire 4...20mA or 3-wire 0...10V technology; With 2" TFT-display and up to 4 PNP switching outputs
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Digital pressure sensor Precont S10 and ExS10
Inside placed capacitive ceramic membrane; Precisionup to0,1%; 2-wire 4...20mA or 3-wire 0...10V technology; WithLED-display and 2 PNP switching outputs; Certification for the use in explosive hazardous areas
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Digital pressure sensor Precont S20 and ExS20
Polysilicone resp. thin film sensor with metallic membrane, up to 1000 bar; Precision0,5%; 2-wire 4...20mA or 3-wire 0...10V technology; WithLED-display and 2 PNP switching outputs; Certification for the use in explosive hazardous areas
» more

Digital pressure sensor Precont S30 and ExS30
Poly silicone sensor with metallic membrane, for hygienic applications up to 25; bar; Precision0,5% ; 2-wire 4...20mA or 3-wire 0...10V technology
WithLED-display and 2 PNP switching outputs; Certification for the use in explosive hazardous areas
» more

Digital pressure sensor Precont S40 and ExS40
Front flush capacitive ceramic membrane for food applications; Precisionup to0,1%; 2-wire 4...20mA or 3-wire 0...10V technology; WithLED-display and 2 PNP switching outputs; Certification for the use in explosive hazardous areas
» more


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Precont® TN

Measurement of absolute and gauge pressure in gases, vapors, liquids and dust

with dry capacitive measurement system
with TFT-display, 4-20mA or 0-10V output and up to 4 pnp switching outputs

Advantages
  • Finely graded pressure measuring
  • Ceramic membrane for various applications
  • Process temperature range from – 40 °C to +125 °C
  • Accuracy up to ≤ 0,1%
  • Excellence type - Accuracy up to ≤ 0,05%
  • Integrated evaluation electronic
  • 4x PNP switch output
  • Bluetooth-Interface
  • Enclosure and display rotateable for optimal operability in each installation position
  • Viewing angle optimized TFT-LCD display for best readability
  • Easy handling by clear menu navigation
  • Extensive diagnostic functions for system analysis
Application description

The devices of the series Precont TN10 with integrated digital evaluation electronic are compact sensors for measuring and monitoring of pressure levels.
The excellent characteristics like highest strength against pressure and pressure blows, high resistance against chemicals and corrosion, very good insensitiveness against temperature shocks and EM interference, highest accuracy and long term stability and also low influence of temperature makes it possible to use the sensor in all pressureless containers for liquid medium like water, waste water, solvents, oil, sludge, grease, cleaning agents, etc.

 


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Precont® MAC

Fully electronic contact manometer

with ceramic diaphragm, TFT display, analog and switching output Advantages
  • No moving parts, therefore no wear and durable
  • High accuracy and overload protected
  • Very easy to read by analog and digital measurement display
  • Electronic switch output, no mechanical contacts
  • Dry measuring cell, no oil fillings or damping fluids
  • Easy commissioning due to intuitive user guidance
  • Adjustable electronic damping of the measured signal
  • Completely closed surface - no dirt holes
  • the viewing angle optimized 2 "TFT color display provides an excellent representation of the measured values
  • Easy readability through analog and digital measurement display
  • The display can be rotated and thus guarantees optimum operation in any mounting position
Application description

The completely fully electronic contact pressure device Precont MAC combines the advantages of a mechanical pressure gauge with the accuracy and longevity of a fully electronic pressure sensor. Therefore, on the large color TFT display of the Precont MAC a pressure gauge in the classical form is modeled to provide a quick and easy reading of the pressure.
The measuring element itself consists of a high-purity ceramic capacitive cell, which guarantees the highest accuracy , robustness and long-term stability.
The device has a switching output, in which both the switch and the reset point, and NC or NO contact function can be set. The set switching thresholds also appears in the display. The 4 -20mA analog output can be configured freely at zero and end points and provides the possibility to pass the measured value eg as with classical pressure sensors to the control.
The Operation is simple using visual keys that work safely even at pollution of the control surface.
The great advantage of Precont MAC is that in this contact manometer mechanical moving parts such as bourdon tubes or stepper motors has been omitted. Because of that the system is much more durable and less susceptible to vibration and temperature fluctuations.


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Precont S10

With LED-display and 2 PNP switching outputs

Advantages

 

  • High precise pressure measurement -1...60 bar, relative and absolute
  • Up to 40-times overload resistance
  • Process temperatures from -40°C to +125°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The Precont S10 is used in all fields of proceeding and process technique.
The excellent characteristics like pressure strength, high chemical resistance, corrosion protection and insensitivity against temperature shocks allows the use in the hardest applications for the measurement of gases, steams and liquids.


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Precont S20

Polysilicon or thin-film sensor with metal diaphragm

Advantages
  • High precise pressure measurement -1...1000 bar, relative and absolute
  • Front flush metallic membrane up to 600 bar
  • Up to 4-times overload resistance
  • Process temperatures from -40°C to +125°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The Precont S20 is used in all fields of proceeding and process technique.
The excellent characteristics like pressure strength, high chemical resistance, corrosion protection and insensitivity against temperature shocks allows the use in the hardest applications for the measurement of gases, steams and liquids.

The polysilicone resp. thin-film measurement sensor guarantees highest pressure ranges, good reproduceability and hysteresis, an up to 4 times overload resistance and a good long term stability.


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Precont S30

With EHEDG process connection for hygienic applications

Advantages
  • High precise pressure measurement -1...25 bar, relative and absolute
  • Front flush metallic membrane with surface roughness Ra < 0,4µm
  • EHEDG conform process connection
  • Up to 4-times overload resistance
  • Process temperatures from -20°C to +150°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The devices of the series Precont S30 with EHEDG conform process connection for hygienic applications are used for supervision, control and also for continuous measurement of pressures from -1 up to +25 bar in gases, steams, liquids and dusts within closed containers or pipelines at process temperatures from -40°C to +150°C.

The pressure sensor Precont S30 is expecially designed for the requirements in the food and semi-luxory item industy, as well as the pharmaceutical industry and biotechnology. This is especially relavant for the extreme conditions like chemical resistance against cleaning agents as well as insensitiveness against increases temperatures in the case of CIP/SIP cleaning processes.

Due to the availability of adapters for the common process connections like varivent or connections acc. to DIN11851 with cone flange with nut groove for pipes acc. to DIN 11850, as well as a suitable weld-in sleeve the pressure transmitter can be installed in nearly hygienic application.

The use of a strain gauge with metallic membrane guarantees excellent characteristics like high pressuren and pressure blow strength, high resistance against chemicals and corrosion, very good insensitiveness against temperature shocks and EM interferences, high accuracy and long term stability as well as low temperature sensitiveness.


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Precont S40

Flush capacitive ceramic membrane for food applications

Advantages
  • High precise pressure measurement -1...60 bar, relative and absolute
  • Up to 40-times overload resistance
  • Process temperatures from -40°C to +125°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The Precont S40 is used in all fields of proceeding and process technique.
The excellent characteristics like pressure strength, high chemical resistance, corrosion protection and insensitivity against temperature shocks allows the use in the hardest applications for the measurement of gases, steams and liquids.

 


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Precont S70

Seal with metal diaphragm for applications up to 370°C

Advantages
  • High precise pressure measurement -1...400 bar, relative and absolute
  • Up to 40-times overload resistance
  • Process temperatures from -40°C to +370°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The Precont S70 is used in all fields of proceeding and process technique.
The excellent characteristics like pressure strength, high chemical resistance, corrosion protection and insensitivity against temperature shocks allows the use in the hardest applications for the measurement of gases, steams and liquids.

The process pressure is applied to the metallic membrane of the diaphragm seal and is transferred by vegetabe oil to the behind placed ceramic or metallic membrane of the respective measurement sensor. By this an essential extension of the permitted process temperature range up to -40...+370°C is achieved.

 


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Precont PSC

Pressure switch for supervision of absolute and relative pressures in gases, vapors, liquids and dust

Advantages
  • Pressure measurement from -1 to 60 bar
  • Ceramic or metallic membrane for various applications
  • Suitable for wide process temperature range from -40°C to +125 °C
  • Comfortable operation in each mounting position by beveled display
  • Housing rotateable by 340°, display rotateable by 180°
  • Integrated evaluation electronic with two pnp switching outputs and one current output 4...20mA
  • Shortest reaction time and excellent accuracy
  • Hygienic optimized design with closed operation surface
  • Password function for protection of the settings against alternation
Application description

The devices of the series Precont PS with integrated digital evaluation electronic are compact pressure switches for supervision, control and continuous measurement of pressures up to 60 bar. By this the replacement of mechanical contact manometer is possible. Besides a bright luminous 4-digit LED display there are up to 2 free configurable PNP switching outputs incl. 4...20mA output available. The use is possible in gases, steams, liquids, oils and dusts inside closed containers or pipelines at process temperatures from - 40°C up to +125°C. The extremely short reaction time of 3ms allows also the use in hydraulic units and in pneumatic applications.

Function description

The pressure switch Precont PS is mounted in the wall of the pressure container or of the pipe.

Characteristics of the dry ceramic measuring membrane - Precont PSC
The system pressure is applied to the ceramic membrane and causes there a deflection of the thick film strain gauge at the back side of the membrane.

The ceramic membrane offers excellent characteristics like high pressure and pressure blow strength up to four times the nominal pressure, very high resistance against chemicals and corrosion and also very good insensitiveness against temperature shocks, high accuracy and reproducibility, good long term stability and at least a very low temperature influence.

Signal processing
The pressure signal that is transmitted from the membrane to the strain gauge is transformed into an electrical signal that is recorded and processed in high resolution by a processor.
The pnp switching output resp. outputs are driven according to the respective settings.

When using the analogue signal current output the recorded pressure signal is adjusted according to the settings and transformed into a high resolution output signal of 4...20mA.

By 3 sensor keys and the four digit LED display all settings for the pnp output resp. outputs, the display and also the analogue output can be set resp. adjusted.

 


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Precont PSK

Digital pressure switch with ceramic membrane

Advantages
  • Pressure measurement from -1 to 1000 bar
  • Ceramic or metallic membrane for various applications
  • Suitable for wide process temperature range from -40°C to +125 °C
  • Comfortable operation in each mounting position by beveled display
  • Housing rotateable by 340°, display rotateable by 180°
  • Integrated evaluation electronic with two pnp switching outputs and one current output 4...20mA
  • Shortest reaction time and excellent accuracy
  • Hygienic optimized design with closed operation surface
  • Password function for protection of the settings against alternation
Application description

The devices of the series Precont PS with integrated digital evaluation electronic are compact pressure switches for supervision, control and continuous measurement of pressures up to 1000 bar. By this the replacement of mechanical contact manometer is possible. Besides a bright luminous 4-digit LED display there are up to 2 free configurable PNP switching outputs incl. 4...20mA output available. The use is possible in gases, steams, liquids, oils and dusts inside closed containers or pipelines at process temperatures from - 40°C up to +125°C. The extremely short reaction time of 3ms allows also the use in hydraulic units and in pneumatic applications.

Function description

The pressure switch Precont PS is mounted in the wall of the pressure container or of the pipe.

Characteristics of the dry ceramic measuring membrane - Precont PSK
The system pressure is applied to the ceramic membrane and causes there a deflection of the thick film strain gauge at the back side of the membrane.

The ceramic membrane offers excellent characteristics like high pressure and pressure blow strength up to four times the nominal pressure, very high resistance against chemicals and corrosion and also very good insensitiveness against temperature shocks, high accuracy and reproducibility, good long term stability and at least a very low temperature influence.

Signal processing
The pressure signal that is transmitted from the membrane to the strain gauge is transformed into an electrical signal that is recorded and processed in high resolution by a processor.
The pnp switching output resp. outputs are driven according to the respective settings.

When using the analogue signal current output the recorded pressure signal is adjusted according to the settings and transformed into a high resolution output signal of 4...20mA.

By 3 sensor keys and the four digit LED display all settings for the pnp output resp. outputs, the display and also the analogue output can be set resp. adjusted.

 


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Precont PSM

Digital pressure switch with metallic membrane

Advantages
  • Pressure measurement from -1 to 1000 bar
  • Ceramic or metallic membrane for various applications
  • Suitable for wide process temperature range from -40°C to +125 °C
  • Comfortable operation in each mounting position by beveled display
  • Housing rotateable by 340°, display rotateable by 180°
  • Integrated evaluation electronic with two pnp switching outputs and one current output 4...20mA
  • Shortest reaction time and excellent accuracy
  • Hygienic optimized design with closed operation surface
  • Password function for protection of the settings against alternation
Application description

The devices of the series Precont PS with integrated digital evaluation electronic are compact pressure switches for supervision, control and continuous measurement of pressures up to 1000 bar. By this the replacement of mechanical contact manometer is possible. Besides a bright luminous 4-digit LED display there are up to 2 free configurable PNP switching outputs incl. 4...20mA output available. The use is possible in gases, steams, liquids, oils and dusts inside closed containers or pipelines at process temperatures from - 40°C up to +125°C. The extremely short reaction time of 3ms allows also the use in hydraulic units and in pneumatic applications.

Function description

The pressure switch Precont PS is mounted in the wall of the pressure container or of the pipe.

Characteristics of the metallic measuring membrane - Precont PSM
The system pressure is applied to the metallic membrane and causes there a deflection of the polysilicon resp. of the thin film strain gauge at the back side of the membrane. At measuring ranges of 0...10 bar and lower the pressure is transmitted to the polysilicon strain gauge by a pressure transmitting liquid.

The metallic membrane offers excellent characteristics like high pressure and pressure blow strength up to five times the nominal pressure, front flush construction, good reproducibility and hysteresis and also good long term stability and a low temperature influence.

Signal processing
The pressure signal that is transmitted from the membrane to the strain gauge is transformed into an electrical signal that is recorded and processed in high resolution by a processor.
The pnp switching output resp. outputs are driven according to the respective settings.

When using the analogue signal current output the recorded pressure signal is adjusted according to the settings and transformed into a high resolution output signal of 4...20mA.

By 3 sensor keys and the four digit LED display all settings for the pnp output resp. outputs, the display and also the analogue output can be set resp. adjusted.


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Precont PL

Pressure Switch for hygienic applications

Advantages
  • Pressure ranges 0...0,1 bar to 0...25 bar / -1...0 bar / -1...+1 bar  
  • Front flush metallic membrane with surface roughness Ra < 0,4µm  
  • EHEDG conform process connection  
  • Suitable for wide process temperature range from -20°C to +150 °C  
  • Comfortable operation in each mounting position by beveled display  
  • Rotateability of housing and display value  
  • Integrated evaluation electronic with
    - two pnp switching outputs and
    - one current output 4...20mA  
  • Shortest reaction time and excellent accuracy  
  • Hygienic optimized design with closed operation surface  
  • Password function for protection of the settings against alternation
Application description

The devices of the series Precont PL with integrated digital evaluation electronic are compact pressure switches with an EHEDG conform process connection for hygienic applications for monitoring, regulation and continuous measuring of pressures form -1 up to 25 bar in gases, steams, liquids and dusts inside closed containers or pipes at process temperatures from - 20°C up to +150°C.  

The pressure switch Precont PL is especially designed for the requirements of the food and semi-luxury items industry and also für the pharmaceutical industry and biotechnology. This is especially valid for the conditions that occurs in CIP/SIP cleaning processes, like chemical resistance against cleaning solvents and insensitiveness against increased temperatures.  

Because of the availability of adapters for the common process connections like varivent or connections according to DIN11851 with cone flange with groove nut for tubes according to DIN 11850, and also a fitting weld-in sleeve, the pressure switch can be used in nearly every hygienic application.  

The use of a strain gauge with a metallic membrane and the corresponding excellent  characteristics like high pressure and pressure blow strength, high resistance against chemicals and corrosion, very good insensitiveness against temperature shocks and EM interferences, high accuracy and long term stability and also low temperature sensitiveness allows the use in nearly all ranges of industrial environment.

Function description

The pressure switch Precont PL is mounted in the wall of the pressure container or of the pipe.

Characteristics
The system pressure is applied to the metallic membrane and causes there a deflection of the polysilicon strain gauge at the back side of the membrane.
The pressure is transmitted to the polysilicon strain gauge by using a FDA permitted pressure transmitting liquid.

The metallic membrane offers excellent characteristics like high pressure and pressure blow strength up to ten times the nominal pressure, good reproducibility and hysteresis and also good long term stability and a low temperature dependence.

Signal processing
The pressure signal that is transmitted from the membrane to the strain gauge is transformed into an electrical signal that is recorded and processed in high resolution by a processor.

The pnp switching output resp. outputs are driven according to the respective settings.

When using the analogue signal current output the recorded pressure signal is adjusted according to the settings and transformed into a high resolution output signal of 4...20mA.

By 3 sensor keys and the four digit LED display all settings for the pnp output resp. outputs, the display and also the analogue output can be set resp. adjusted.


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Precont TM

With capacitive ceramic measuring cell for rugged industrial use

Advantages
  • High precise pressure measurement -1...60 bar, relative and absolute
  • Up to 40-times overload resistance
  • Process temperatures from -40°C to +125°C
  • Rugged design - maintenance free
  • Integrated overvoltage protection
  • 2-wire 4...20mA technology
  • Certification for the use in explosive hazardous areas
Application description

The Precont TM is a very rugged overload resistive pressure transmitter for gases, steams, liquids and dusts in hard industrial applications. By use of a dry capacitive ceramic measurement sensor in combination with high-grade steel 1.4571 (V4A), this pressure transmitter can be also used in very aggressive substances. The ceramic membrane has also an extreme overload resistance, highest measurement precision, long life time and no need for maintenance.


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Precont ML

Pressure transmitter for measurement of absolute or relative pressure in gases, vapors, liquids and dust

Integrated evaluation electronic 2-wire with current signal 4…20 mA
metallic flush-mounted EHEDG conformal membrane for hygienic applications

Advantages
  • Measuring ranges from -1 to 25 bar in liquids and gases
  • Process temperature range from –20 °C to +150 °C
  • High pressure strength because of metallic membrane
  • Short start-up time
  • Hygienic optimized design with closed operation surface
  • Possible flood protected electronic connection
  • Different hygienic connections available
Application description

The device is an electronic pressure transmitter for continuous measuring of relative or gauge pressures in gases, vapors, liquids and dusts within closed container or pipes.


The use of a piezoresistive measuring sensor with EHEDG conformal metallic membrane and the corresponding excellent characteristics, allows the use especially in hygienic applications.

Function description

The device is mounted in the wall of the pressure container or of the pipe.
The system pressure is applied to the metallic membrane and causes there a variation of the resistance of the strain gage at the back side of the membrane.
The metallic membrane offers excellent characteristics like high pressure and pressure blow strength, vacuum resistance, high accuracy and reproducibility, good long term stability and a low temperature influence.
A FDA-listed pressure transmitting liquid is used for the transmission of the pressure from the membrane to the strain gage.
The pressure signal, that is transmitted by the membrane to the sensor is converted into an electrical signal and converted by the integrated evaluation electronic into a current signal 4...20 mA resp. voltage signal 0...10 V.


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Precont MT

Analog pressure transmitter with metal strain gauge diaphragm

Advantages
  • Pressure ranges -1...1000 bar
  • Metallic membrane for various applications
  • Suitable for a wide process temperature range from -40 °C to +100 °C
  • ATEX II 1 G EEx ia IIC T6 - Certification for the use in explosive hazardous areas
  • Shortest response time and good accuracy up to 0,5%
  • Integrated evaluation electronic
    • in 2-wire-technology with current signal 4...20 mA
    • in 3-wire-technology with voltage signal 0...10 V
Application description

The device Precont MT with integrated analogue evaluation electronic is a compact pressure transmitter for continuous measuring of pressures from –1 up to 1000 bar in gases, vapors, liquids and dusts within closed container or pipes, also in explosive hazardous areas, at process temperatures from – 40°C to +100°C.

The use of a strain gauge with metallic membrane and the corresponding excellent characteristics, allows the use in nearly all fields of industry.

 

Function description

The device is mounted in the wall of the pressure container or of the pipe.

The system pressure is applied to the metallic membrane and causes there a deflection of the polysilicone resp. thin film strain gauge at the back side of the membrane. At measuring ranges of 0...25 bar and smaller, the pressure is transmitted by a pressure transmitting liquid to the polysilicone strain gauge.

The metallic membrane offers excellent characteristics like high pressure and pressure blow strength up to five times the nominal pressure, vacuum resistance, good reproducibility and hysteresis and also good long term stability and a low temperature influence.

The pressure dependent variation of the strain gauge output voltage is converted by the integrated evaluation electronic into a current signal 4...20 mA resp. voltage signal 0...10 V.


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Precont KT

Analog pressure transmitter with ceramic diaphragm strain gauge

Advantages
  • Pressure ranges to 600bar
  • Ceramic membrane for various applications
  • Suitable for a wide process temperature range from -40 °C to +100 °C
  • ATEX II 1 G EEx ia IIC T6 - Certification for the use in explosive hazardous areas
  • Shortest response time and good accuracy up to 0,5%
  • Integrated evaluation electronic
    • in 2-wire-technology with current signal 4...20 mA
    • in 3-wire-technology with voltage signal 0...10 V
Application description

The device Precont KT with integrated analogue evaluation electronic is a compact pressure transmitter for continuous measuring of pressures from 0 up to 600 bar in gases, vapors, liquids and dusts within closed container or pipes, also in explosive hazardous areas, at process temperatures from – 40°C to +100°C.

The use of a strain gauge with ceramic membrane and the corresponding excellent characteristics, allows the use in nearly all fields of industry.

 

Function description

The device is mounted in the wall of the pressure container or of the pipe.

 

The system pressure is applied to the ceramic membrane and causes there a deflection of the thick film strain gauge at the back side of the membrane.

 

The ceramic membrane offers excellent characteristics like high pressure and pressure blow strength up to four times the nominal pressure, vacuum resistance, very high resistance against chemicals, corrosion and abrasion, very good insensitiveness against temperature shocks, high accuracy and reproducibility, good long term stability and a low temperature influence.

 

The pressure dependent variation of the strain gauge output voltage is converted by the integrated evaluation electronic into a current signal 4...20 mA resp. voltage signal 0...10 V.


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Precont KS

Pressure transmitter with metallic membrane from 0 to 400 bar

Advantages
  • 2-wire-technology 4...20mA
  • 3-wire-technoloty 0...10V
  • Pressure switch with pnp output - switching point adjustable from 5-95%
  • Hysteresis adjustable from 1,5% - 20%
  • Metallic membrane with thin-film strain gauge, with:
  •  
    • no mechanically moved parts
    • good long term stability
    • high reproduceability
  • Pressure ranges fine leveled acc. to DIN 16 128
  • Overload limit up to 4-times of the measurement range
  • Version with damping system
  • Separation membrane and Processconnection in high-grade steel
  • Housing in high-grade steel in protection class IP 65
Application description

The pressure transmitter Precont KS measures pressures from 0...1 bar up to 0...400 bar and converts it into a signal 4...20 mA resp. 0...10V or into a PNP switching signal (pnp - closer). 

A thin-film strain gauge is used as pressure sensor. The small dimensions of the measurement sensor ensures a good behaviour against pulsating measuring media and vibrating installations as well as a very good reproduceability and hysteresis and an overload resistance of up to 4-times the measurement range. Due to the high natural frequency of the metallic membrane also fast pressure changings could be measured. The versions Precont KS0 + KS1 has a process connection with an inside places separation membrane in high-grade steel in G1/2A or M20 x 1,5 acc. to DIN 16 288. This process connection is available in two version, with and without damping system.
The damping consists of an screw with a small slot that is placed at the medium side of the process connection. The variants Precont KS2, KS 3, KS 4 + KS 5 has a process connection with an front-flush separation membrane in high-grade steel in G 1/2A or M 20 x 1,5 for an seal in FPM or a metallic seal acc. to DIN 3852. The process connection is available with and without damping system. The damping consists of a choke that is placed at the measurement medium side. Ranges > 40 bar have an additional protection plate in front of the separation membrane. The version with damping should be used if an incompressible measurement medium with possible occuring pressure peaks over the measurement range should be measured. Pressure peaks can be produced e.g. by pumps, fast-closing vents, magnetic vents or controle cylinders. The pressure transmitter is conceived for advanced applications.

The very small dimensioned housing in high-grade steel is designed in protection class IP65.
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Prelog PDL

battery powered pressure transmitter with data logger

Ceramic highly overload resp. pressure blow resistive membrane,
integrated battery for minimum 2 million measurements resp. 10 years operation at a measuring interval of 3 minutes, high accuracy and long term stability

Advantages
  • Ceramic highly overload resp. pressure blow resistive membrane
  • Front flush capacitive ceramic membrane; no deposition or contamination
  • for relative, vacuum and absolute pressure measurement
  • high accuracy and long term stability
  • Integrated battery for minimum 2 million measurements resp. 10 years operation at a measuring interval of 3 minutes
  • completely made from stainless steel
  • Data memory for up to 216 000 measurement values
  • Data retrieval directly per PC resp. handheld-PC or  wireless remote data transmission per GSM/GPRS
Application description

The pressure transmitter with data logger Prelog PDL is a battery powered system for autonomous measurement and
registration of pressure in pipelines and containers.

The excellent characteristics like highest strength against pressure and pressure blows, high resistance against chemicals and corrosion, very good insensitiveness against temperature shocks and EM interference, highest accuracy and long term stability as well as low influence of temperature makes it possible to use the sensor in various fields with liquids like water, waste water, solvents, oil, sludge, grease, cleaning agents, etc., where levels and temperatures combined with date and time should be surveillanced without having any auxiliary power at the place of installation.

Because of an intelligent store management the internal data memory with a size of 64kB resp. 128kB allows a  recording of minimum 21 600 up to maximum 216 000 measurement data sets at exclusive storage of the pressure measurement.
A highly efficient lithium battery that is integrated in the probe ensures the power supply of the device.
The battery life time is conceived for minimum 2.000.000 measurements. This equals a run time of minimum 10 years at a measurement rate of 1x per 3 minutes.

Because of many possibilities of adjustment a highest flexibility in the application for control level and especially for pumping test or long term surveillance is given.

Function description

The liquid contacts directly the ceramic membrane and causes there a deflection of the membrane because of the hydrostatic pressure of the liquid.

At the maximum deflection the membrane contacts a robust ceramic carrier and because of this, the membrane come through over pressure of e.g. 40-times of nominal load at a sensor with a pressure range of 0...1 m water column without damage.

The hydrostatic pressure signal of the ceramic membrane is measured by the integrated high-resolution digital electronic according to the adjusted measurement rate and is stored loss protected.

Because of an intelligent store management the internal data memory with a size of 64kB resp. 128kB allows a  recording of minimum 21 600 up to maximum 216 000 measurement data sets at exclusive storage of the pressure measurement signal.

A highly efficient lithium battery that is integrated in the probe ensures the power supply of the device.
The battery life time is conceived for minimum 2.000.000 measurements. This equals a run time of minimum 10 years at a measurement rate of 1x per 3 minutes.

Integrated over voltage protection modules prevents the destruction of the pressure sensor caused by atmospheric influences like e.g. thunder strike.


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Precont D40

With flush, capacitive ceramic membrane for food applications

Advantages
  • In sensitiveness at high air humidity and at condensed water formation
  • High precise pressure measurement -1...16 bar, relative
  • Up to 40-times overload resistance
  • Process temperatures from -40°C to +125°C
  • Rugged design - maintenance free
  • Electronic rotateable by 330 degree
  • 2-wire 4...20mA or 3-wire 0...10V technology
  • 2 PNP switching outputs
  • 4-digit LED display
  • Integrated signal linearization with up to 25 linarization points
  • Fast adjustment by key combination or menue guided adjustment by LED display
  • Password protection
  • Certification for the use in explosive hazardous areas
Application description

The Precont D40 is used in all fields of proceeding and process technique.
The excellent characteristics like pressure strength, high chemical resistance, corrosion protection and insensitivity against temperature shocks allows the use in the hardest applications for the measurement of gases, steams and liquids.

By the special construction the device is especially suitable for the use in areas with height air humidity and at condensed water formation where conventional devices can not or can only be used with an expensive placed air compensation capillary.


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ECO

Pressure transmitter with ceramic membrane, Precision 1,5% , low-cost-version

Advantages

Supply: 24V DC ± 10%
Output signal: 0-20mA / 4-20mA; 0-10V DC
Short circuit and reverse polarity protection
Nonlinearity: <= 1% of full scale
Hysteresis: <= 0,5% of full scale
Process connection: G1/2" A acc. to DIN 16288
Electrical connection: plug acc. to DIN 43650
Protection class: IP65


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Emco Group India

Chirayush Gandhi (Director)
Unit No. 5/6, Magnum Opus Plaza, Ground Floor, Vakola, Shanti Nagar, Santacruz East
Mumbai - 400055
Maharashtra, India
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