Specifications General Type: Differential Pressure Transmitter Series: ABB 266 Series Model: 266HSH – High Static Pressure DP Transmitter Output: 4–20 mA, two-wire with HART communication Measurement Performance Measured variable: Differential pressure (DP) Upper Range Limit (URL): Up to 10 MPa (depending on sensor range) Turn-down ratio: Up to 100:1 Reference accuracy: ±0.04% URL Repeatability: ±0.02% URL Long-term stability: ±0.1% URL over 10 years Response time: < 100 ms Adjustable damping: 0 to several seconds Pressure Ratings Static pressure rating: Up to 105 MPa (1050 bar) Proof pressure: 1.5 × static rating Overpressure protection: Integrated mechanical overload system Environmental Conditions Electronics operating temperature: –40 to +85 °C Process temperature: Depends on diaphragm and fill fluid selection Humidity: 0–100% RH (non-condensing) Vibration resistance: Up to 10 g, 10–2000 Hz Protection rating: IP67 / IP68 (depending on housing option) Electrical Characteristics Power supply: 10.5–45 VDC Signal: 4–20 mA + HART digital Load (HART): Up to 600 Ω Reverse polarity protection: Built-in EMC compliance: Meets IEC/EN industrial EMC standards Mechanical / Materials Wetted materials: Stainless steel, Hastelloy, or special alloys (per ESBA7 code) Process connections: High-pressure DP flanges or threaded adapters Fill fluid: Silicone oil or inert fluid (based on configuration) Housing: Aluminum or stainless steel (per LSTB selection) Mounting: Direct mount or mounting bracket options Display & Local Interface Local display: Optional LCD with bar-graph indication Local configuration: Two push-button setup Remote configuration: Via HART communicator, DTM, or EDD tools Certifications Explosion protection: Ex ia / Ex d / Ex nA (depending on selected code) Compliance: ATEX, IECEx, PED, CE Ingress protection: IP67 / IP68