Oil Filled Sensors

WE SIL2 Diathermic Oil Filled - Output 4...20mA - SIL2

The WE 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 315°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 measureby 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 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• 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)
• 17-7 PH corrugated diaphragm with GTP+

W7 SIL2 Diathermic Oil Filled - Tension Output - SIL2

The W7 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 315°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 assential requirement.

• Pressure ranges from: 0-17 to 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• 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)
• 17-7 PH corrugated diaphragm with GTP+

ILW Diathermic Oil - IO-Link Digital Output - SIL2 - PLd

The ILW 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 ILW 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 and thanks to the “mercury free” solution it can withstand up to 315°C of process temperature.

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

• Pressure ranges from: 0-17 to 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• 1/2-20UNF, M18x1.5 standard threads
• 17-7 PH corrugated diaphragm with GTP+ coating
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• 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

HWX Diathermic OIL FDA - HART – ATEX - SIL2 - PLd

The HWX 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 315°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 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Oil filling volume: HWX0 (30mm³); HWX1, HWX2, HWX3 (40mm³)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• 17-7 PH corrugated diaphragm with GTP+ coating

HWX4 Diathermic OIL FDA flanged - HART - ATEX - SIL2 - PLd

The HWX4 series of Gefran, are pressure transmitters for using in High temperature environment and specifically designed for melt pressure measurement and available to be used in large-scale fixed installations or in large-scale stationary industrial tools rather than laboratory equipments.

The HWX4 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 315°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 0-1000 bar / 0-250 to 0-15000 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
• 17-7 PH corrugated diaphragm with GTP+ coating

HWE Diathermic OIL FDA - HART - SIL2 - PLd

The HWE 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 315°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 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• Oil filling volume: HWE0 (30mm³); HWE1, HWE2, HWE3 (40mm³)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Autozero function on board / external option
• 17-7 PH corrugated diaphragm with GTP+ coating

WE Diathermic OIL FDA - Output 4…20mA

• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 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
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• Fully interchangeable with all existing brands
• Grade of protection: IP65 (6-pin connector version)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is a 17-7 PH stainless steel TiN (Titanium Nitride) coated corrugated diaphragm

WE PLc Diathermic OIL FDA - Output 4…20mA - PLc

The WE Performance Level 'c' Series are pressure sensors for use in high temperature applications where the process temperatures may reach 315°C (600°F) such as high temperature engineered polymers.

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

A near incompressible mixture (diathermic oil) is used for pressure transmission.

• Performance Level PL 'c'
• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Fluid-filled system for temperature stability
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• Oil filling volume: WE0 (30mm³); WE1, WE2 (40mm³)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Other diaphragms available on request
• Autozero function on board / external option
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi

WX Diathermic Oil FDA - 4...20mA Output - ATEX

• Pressure ranges: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Extensimetric measurement principle with Wheatstone bridge
• Precision: < ±0.25% FS (H); < ±0.5% FS (M)
• Calibration signal 80% FS internally generated
• Filled with FDA-approved oil CFR 178.3620 and CFR 178.878
• Completely interchangeable with all existing products
• Protection level: IP65 (6-pin connector)
• Standard threading 1/2-20 UNF, M18x1.5, other versions on request
• 17-7 PH stainless steel diaphragm with TiN (Titanium Nitride) coating

WN Diathermic Oil FDA - Voltage Output

• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 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
• Oil filling meets FDA requirements CFR 178.3620 and CFR 178.878
• Fully interchangeable with all existing brands
• Grade of protection: IP65 (6-pin connector version))
• 1/2-20 UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is a 17-7 PH stainless steel TiN (Titanium Nitride) coated corrugated diaphragm

W7 PLc Diathermic Oil FDA - Voltage output - PLc

The W7 Performance Level 'c' Series are pressure sensors for use in high temperature applications where the process temperatures may reach 315°C (600°F) such as high temperature engineered polymers.

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

A near incompressible mixture (diathermic oil) is used for pressure transmission.

• Performance Level PL 'c'
• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
• Fluid-filled system for temperature stability
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• Oil filling volume: W70 (30mm3); W71, W72, (40mm3)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• Other diaphragms available on request
• Autozero function on board / external option
• 17-7 PH corrugated diaphragm with GTP coating

W3 Diathermic Oil FDA - mV/V Output

• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 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
• Oil filling meets FDA requirements CFR 178.3620 and CFR 172.878
• Fully interchangeable with all existing brands
• Grade of protection: IP65 (6-pin connector version)
• 1/2-20 UNF, M18x1.5 standard threads; other types available on request
• Standard diaphragm is a 17-7 PH stainless steel TiN (Titanium Nitride) coated corrugated diaphragm

WD DP404 CAN OPEN digital output

• 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 0-15000 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
• Stainless steel 17-7 PH diaphragm with TiN (titanium nitride) coating
• Other types of diaphragm on request