Specifications General Type: Differential Pressure Transmitter Series: ABB 266 HSH (High Static Pressure) Output: 4–20 mA, two-wire with HART communication Sensor Technology: Digital capacitive sensor with temperature compensation Measurement Performance Reference Accuracy: ±0.04% of span (depending on range) Repeatability: ±0.02% of span Turn-Down Ratio: Up to 100:1 Response Time: <100 ms (configurable damping available) Long-Term Stability: ±0.1% of URL over 10 years Pressure Ratings Differential Pressure Range: As per MSBA1 sensor selection Static Pressure Rating: Up to 105 MPa (1050 bar) Proof Pressure: 1.5 × static rating Overpressure Protection: Integrated mechanical overload system Materials & Construction Wetted Materials: Stainless steel / Hastelloy / optional alloys (per MSBA1 selection) Fill Fluid: Silicone or inert fluid Housing: Aluminum or stainless steel (EZTB configuration) Process Connections: High-pressure flanges or threaded adapters Electrical & Communication Power Supply: 10.5–45 VDC Output Signal: 4–20 mA + HART Load Resistance (HART): ≤600 Ω Local Configuration: Optional push-button or LCD interface Environmental Conditions Electronics Operating Temperature: –40 to +85 °C Process Temperature: According to fill fluid and sensor materials Humidity: 0–100% RH, non-condensing Ingress Protection: IP67 / IP68 depending on housing selection Vibration Resistance: 10 g, 10–2000 Hz Certifications / Compliance Explosion Protection: Ex ia / Ex d / Ex nA (per configuration) Standards Compliance: ATEX, IECEx, PED, CE EMC / Surge Protection: Industrial-grade standards