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266GSHCKBNA1

The ABB 266GSH (CKBNA1 configuration) is a high-performance differential pressure transmitter from ABB’s 266 series, designed for reliable and precise measurement of differential pressure in industrial process applications. The 266GSH features ABB’s proven digital capacitive sensor technology, offering excellent accuracy, long-term stability, and repeatability even under harsh conditions.

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Specifications General Type: Differential Pressure Transmitter Series: ABB 266 GSH Output: 4–20 mA, two-wire with HART communication Sensor Technology: Digital capacitive differential sensor with temperature compensation Measurement Performance Reference Accuracy: ±0.04% of span (depending on calibration and range) Repeatability: ±0.02% of span Turn-Down Ratio: Up to 100:1 Response Time: <100 ms Long-Term Stability: ±0.1% URL over 10 years Pressure Ratings Differential Pressure Range: According to CKBNA1 sensor selection Static Pressure Rating: High static pressure capability (per GSH design) Proof Pressure: 1.5 × static rating Overpressure Protection: Integrated mechanical system Materials & Construction Wetted Parts: Stainless steel / Hastelloy / optional alloys (per CKBNA1) Fill Fluid: Silicone oil or inert fluid Housing: Aluminum or stainless steel (per model configuration) Process Connections: Flanges or threaded high-pressure adapters Electrical & Communication Power Supply: 10.5–45 VDC Signal: 4–20 mA + HART digital Load Resistance (HART): ≤600 Ω Local Configuration: Optional push-button or LCD interface Environmental Conditions Electronics Operating Temperature: –40 to +85 °C Process Temperature: Based on sensor and fill fluid Humidity: 0–100% RH, non-condensing Ingress Protection: IP67 / IP68 depending on housing and electrical entry Vibration Resistance: Up to 10 g, 10–2000 Hz Certifications / Compliance Explosion Protection: Ex ia / Ex d / Ex nA options depending on configuration Compliance: ATEX, IECEx, PED, CE EMC / Surge Protection: Industrial-grade standards