Mercury Filled Sensors

ME SIL2 Mercury Filled - Output 4...20mA - SIL2

The ME series of Gefran, are pressure transmitters for using in High temperature environment. The main characteristic of this series is the capability to read temperature of the media up to 400°C. The constructive principle is based on the hydraulic trasmission of the pressure. The fluid-filled system assures the temperature stability. The phisical quantity is transformed in a electrical measure by means the thick film strain-gauge technology. The SIL2 certified version makes the product suitable for use in the Functional Safety applications, particularly in the process plants for the production of polymers, where it is an essential requirement.

• Pressure ranges from: 0-17 to 0-2000 bar / 0-250 to 0-30000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• SIL2 approvals for Functional Safety
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• Drift Autocompensation function (SP version)
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

M7 SIL2 Mercury Filled - Voltage Output - SIL2

The M7 series of Gefran, are pressure transmitters for using in High temperature environment.

The main characteristic of this series is the capability to read temperature of the media up to 400°C. The constructive principle is based on the hydraulic transmission of the pressure. The fluid-filled system assures the temperature stability. The phisical measure is transformed in a electrical measure by means the thick film strain-gauge technology. The SIL2 certified version makes the product suitable for use in the Functional Safety applications, particularly in the process plants for the production of polymers, where it is an essential requirement.

• Pressure ranges from: 0-17 to 0-2000 bar / 0-250 to 0-30000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• SIL2 approvals for Functional Safety
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Other diaphragms available on request
• Autozero function on board / external option
• Drift Autocompensation function (SP version)
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

ILM Mercury Filled - IO-Link Digital Output - SIL2 - PLd

The ILM Performance Level ‘d’/SIL2 series of Gefran are pressure transmitters for using in high temperature environment with digital IO-Link output interface.

The constructive principle is based on the hydraulic trasmission of the pressure.

This new series ILM with “IO-Link” interface is a Smart device specifically designed to meet the requirements of “Industry 4.0” environment, with auxiliary information suitable to prevent machine downtime.

The main characteristic of this series is the capability to read temperature of the media up to 400°C (750°F).

In addition, with PLd and SIL2 approvals, the ILM series is the best solution for “Functional Safety” applications.

• Pressure ranges from: 0-17 to 0-2000 bar / 0-250 to 0-30000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• 1/2-20UNF, M18x1.5 standard threads
• 15-5 PH diaphragm with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100bar/1500psi.
• IO-Link digital output, ready for “Industry 4.0”
• Rangeabilty: 3:1
• PLd and SIL2 approvals for Functional safety
• Autozero function
• Auxiliary information over IO-Link protocol

HMX Mercury Filled - HART – ATEX - SIL2 - PLd

The HMX series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The HMX series of Gefran are pressure transmitters with HART communication protocol for using in high temperature environment with explosive atmosphere presence.

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The physical measure is transformed in a electrical measure by means of strain-gauge technology.

• Pressure ranges from: 0-17 a 0-2000 bar/0-250 a 0-30000 psi
• Extensimetric measurement principle with Wheatstone bridge
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Calibration signal 80% FS internally generated
• Protection level: IP65 (6-pin connector)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated stainless steel diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

HME Mercury Filled - HART - SIL2 - PLd

The HME series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The HME series of Gefran are pressure transmitters with HART communication protocol for using in high temperature environment.

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The physical measure is transformed in a electrical measure by means of strain-gauge technology.

• Pressure ranges from: 0-17 to 0-2000 bar / 0-250 to 0-30000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Mercury filling volume: HME0 (30mm³); HME1, HME2, HME3 (40mm³)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

HMX4 Mercury Filled flanged - HART - ATEX - SIL2 - PLd

The HMX4 series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipment for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The HMX4 series of Gefran are flanged pressure transmitters with HART communication protocol for using in high temperature environment with explosive atmosphere presence.

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The physical measure is transformed in a electrical measure by means of strain-gauge technology.

The SIL2 and PL d approvals make the product suitable for use in the Functional Safety applications, particularly in the process plants for the production of polymers, where it is an essential requirement.

• Pressure ranges from: 0-17 to 0-2000 bar/0-250 to 0-30000 psi
• Thick film extensimetric measurement principle
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• SIL2 and PL d approvals for Functional Safety
• ATEX certification for potentially explosive atmospheres
• Flanged version
• Protection level: IP66 (6-pin connector)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated stainless steel diaphragm with GTP+ coating for ranges below 100 bar-1500 psi
• Other diaphragm types available on request

ME Mercury Filled - Output 4…20mA

The ME series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The phisical measure is transformed in a electrical measure by means the strain-gauge technology.

• Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Strain gage Wheatstone bridge
• Accuracy : < ±0.25% FS (H); < ±0.5% FS (M)
• Internally generated 80% calibration signal (R-Cal)
• Fluid-filled system for temperature stability
• Grade of protection: IP65 (6-pin connector version)
• 1/2-20 UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

ME PLc Mercury Filled - Output 4…20mA - PLc

The ME Pl'c' series of Gefran are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The ME Performance Level 'c' Series are pressure sensors for use in high temperature applications where the process temperatures may reach 400°C (°F) such as high temperature engineered polymers.

The K Series utilizes standard melt pressure principles and construction; strain sensing technology is bonded foil strain gage.

A near incompressible liquid (mercury) is used for pressure transmission.

• Perfromance Lvevel 'c'
• Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Mercury filling volume: ME0 (30mm3); ME1, ME2 (40mm3)1
• /2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

MX Mercury Filled - 4...20mA Output - ATEX

The MX series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The phisical measure is transformed in a electrical measure by means the strain-gauge technology.

• Pressure ranges: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Extensometric measurement principle with Wheatstone bridge
• Precision: < ±0.25% FS (H); < ±0.5% FS (M)
• Calibration signal 80% FS internally generated
• Protection level: IP65 (6-pin connector)
• Standard threading 1/2-20 UNF, M18x1.5, other versions on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Other diaphragms available on request.

MN Mercury Filled - Voltage Output

The MN series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The MN series of Gefran, are pressure transmitters for using in High temperature environment.

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.

The phisical measure is transformed in a electrical measure by means the strain-gauge technology.

• Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Strain gage Wheatstone bridge
• Accuracy : < ±0.25% FS (H); < ±0.5% FS (M)
• Internally generated 80% calibration signal (R-Cal)
• Fluid-filled system for temperature stability
• Grade of protection: IP65
• 1/2-20 UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Other diaphragms available on request.

M7 PLc Mercury Filled - Voltage Output - PLc

The M7 PL'c' series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The M7 Performance Level 'c' Series are pressure sensors for use in high temperature applications where the process temperatures may reach 400°C (°F) such as high temperature engineered polymers.

The K Series utilizes standard melt pressure principles and construction; strain sensing technology is bonded foil strain gage.

A near incompressible liquid (mercury) is used for pressure transmission.

• Performance Level PL'c'
• Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
• Fluid-filled system for temperature stability
• Mercury filling volume: M70 (30mm3); M71, M72 (40mm3)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• Standard diaphragm is 15-5 PH stainless steel with GTP coating
• 17-7 PH corrugated diaphragm with GTP coating for anges below 100 bar-1500 psi

Further versions available on request.

M3 Mercury Filled - mV/V Output

The M3 series of Gefran are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

The main characteristic of this series is the capability to read temperature of the media up to 400°C.

The constructive principle is based on the hydraulic trasmission of the pressure. The fluid-filled system assures the temperature stability.

The phisical measure is transformed in a electrical measure by means the strain-gauge technology.

• Pressure ranges from: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Strain gage Wheatstone bridge
• Accuracy : < ±0.25% FS (H); < ±0.5% FS (M)
• Internally generated 80% calibration signal (R-Cal)
• Fluid-filled system for temperature stability
• Grade of protection: IP65 (6-pin connector version)
• 1/2-20 UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

MX4 Mercury Filled - 4...20mA Output - ATEX

The MX4 series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

• Pressure ranges: 0-25 to 0-2000bar / 0-360 to 0-30000psi
• Extensometric measurement principle with Wheatstone bridge
• Precision: < ±0.25% FS (H); < ±0.5% FS (M)
• Calibration signal 80% FS internally generated
• Protection level: IP65 (6-pin connector)
• Flange Mounting
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.

MD DP404 CAN OPEN digital output

The MD series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available only to be used in large-scale fixed installations or in large-scale stationary industrial tools, typically extruders, or for laboratory B2B equipments for R&D purposes according to the European Directive 2011/65/EU (see informative note RoHS II).

• Digital output signal with DP404 CAN OPEN communication protocol
• Transmission frequency (Baud rate): 10 Kbaud to 1 Mbaud (default 500 Kbaud)
• Software / Hardware selection of Baud rate and ID nodes
• Operation with 1 or 2 settable alarm limits
• "Autozero" for temperature compensation
• Zero and span drift compensation
• 80% FS calibration signal
• Pressure ranges: 0-35 to 0-2000 bar / 0-500 to 0-30000 psi
• Extensimetric measurement principle with Wheatstone bridge
• Precision: < ± 0.25% FS (H); < ±0.5% FS (M)
• Hydraulic transmission system to guarantee temperature stability.
• Protection level: IP65
• Standard threading: 1/2-20 UNF, M18x1.5; other versions on request
• Standard diaphragm is 15-5 PH stainless steel with GTP+ coating
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

Further versions available on request.