Technical Parameters
General Performance
Type: High-overload gauge pressure transmitter
Measured media: Liquids, gases, steam
Pressure range: From low spans up to 105 MPa (15,225 psi) depending on sensor option
Turn-down ratio: Up to 100:1
Reference accuracy: Up to ±0.06% of calibrated span (depending on configuration)
Long-term stability: Typically better than ±0.15% of URL over 10 years
Output / Communication
4–20 mA with HART (standard)
Optional digital protocols depending on configuration (e.g., Modbus, Profibus PA, Foundation Fieldbus, WirelessHART)
Local configuration possible through Through-The-Glass (TTG) keypad without opening housing
Mechanical / Materials
Wetted parts: Stainless steel or other materials depending on option
Diaphragm: Stainless steel or Hastelloy (varies by code)
Housing: Aluminum alloy or stainless steel (barrel-type body)
Typical process connection: 1/2"–14 NPT female or according to option code
Display / Interface
“LS” option: Integrated LCD display with local push-buttons
Supports configuration, calibration, and diagnostics on site
Certifications / Safety
SIL2 or SIL3 capable (depending on installation), per IEC 61508
Hazardous-area approvals depending on “TB” / “EY” model options
Suitable for safety-critical industrial environments
Environmental
Designed for extreme process and ambient conditions
Wide operating temperature range
High resistance to overpressure and vibration
The ABB 266HSH is a high-overload gauge pressure transmitter designed for demanding industrial applications involving liquids, gases, or steam. It features an extremely robust sensor capable of handling very high pressures while maintaining excellent accuracy and long-term stability. The 266HSH supports advanced diagnostics, a modular electronics design, and provides easy configuration through an LCD display with local keys or through remote communication.