Strain gauge pressure transmitter M7 SIL2

voltage output8 pin M12 connector1/2" UNF

Product overview
The M7 SIL2 is a mercury-filled pressure transmitter designed for melt/high-temperature process applications. It uses a fluid-filled hydraulic transmission and thick-film strain-gauge sensing to ensure stable pressure measurement at media temperatures up to 400°C. A SIL2-certified variant is available for functional safety applications.

Main features

• Pressure ranges: 0-17 to 0-2000 bar (0-250 to 0-30000 psi)
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Voltage output variants (example: 0.5…10.5 Vdc)
• Fluid-filled (mercury) system for enhanced temperature stability
• SIL2 certification for functional safety integration
• Thick-film strain-gauge electrical conversion

Order code and configurable options
Order code example: M--7-0-6-H-B17U-1-4-0-S-E-000

• Autozero: External (E)
• Autocompensation: Standard (available SP version for drift compensation)
• Output signal: 7 - 0.5 .. 10.5 Vdc
• Mechanical configuration: 0 - Rigid rod (other stems available)
• Connector: 6-pin (8-pin optional)
• Accuracy class: H - 0.25% FSO
• Range example: B17U - 17 bar
• Thread example: 1/2-20 UNF (M18x1.5 available)
• Rigid stem length example: 153 mm (6")

Typical applications

• Pressure measurement in high-temperature melt processes (polymer processing, extrusion, injection molding)
• Process units and safety loops requiring SIL2 functional safety
• Environments where fluid‑filled transmitters are specified for thermal stability

Technical specifications

• Product family / model: M7 SIL2
• Application: Melt / high-temperature pressure measurement (media up to 400°C)
• Measurement principle: Hydraulic transmission (fluid-filled) + thick-film strain-gauge
• Pressure ranges: 0-17 to 0-2000 bar (0-250 to 0-30000 psi)
• Accuracy classes: H (< ±0.25% FS), M (< ±0.5% FS)
• Output: Voltage output variants (e.g. 0.5…10.5 Vdc)
• Functional Safety: SIL2 certified version available
• Process connections: 1/2-20 UNF, M18x1.5 (others on request)
• Diaphragm: 15-5 PH stainless steel with GTP+ coating; 17-7 PH corrugated diaphragm for ranges <100 bar
• Autozero: On-board or external option
• Autocompensation: Drift Autocompensation (SP version)
• Connector options: 6-pin standard, 8-pin optional
• Order/configuration: Configurable order code with multiple options on request