Specifications General Type: Differential Pressure Transmitter Series: ABB 266 HSH (High Static Pressure) Output: 4–20 mA, two-wire with HART protocol Sensor Type: 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 (depending on damping) Long-Term Stability: ±0.1% URL over 10 years Pressure Ratings Differential Pressure Range: According to PSBB7 sensor module selection Static Pressure Limit: Up to 105 MPa (1050 bar) Proof Pressure: 1.5 × static rating Overpressure Protection: Integrated mechanical system Materials & Construction Wetted Materials: Stainless steel, Hastelloy, or optional alloys per PSBB7 code Fill Fluid: Silicone oil or inert fluid Housing: Aluminum or stainless steel (as defined by L9TB) Process Connections: High-pressure flanges or threaded adapters Electrical & Communication Power Supply: 10.5–45 VDC Signal: 4–20 mA + HART digital Load Resistance (HART): ≤600 Ω Local Configuration: Push-button or optional LCD interface Environmental Conditions Electronics Operating Temperature: –40 to +85 °C Process Temperature: Dependent on sensor and fill fluid Humidity: 0–100% RH, non-condensing Ingress Protection: IP67 / IP68 (depending on housing selection) Vibration Resistance: Up to 10 g, 10–2000 Hz Certifications / Standards Explosion Protection: Ex ia / Ex d / Ex nA options depending on code Compliance: ATEX, IECEx, PED, CE EMC & Surge Protection: Industrial-grade standards