Parameters Category Parameter Specification / Interpretation for 266HSHQKBA7 General Model Series 2600T Series (FMT - Flow Multivariable Transmitter) Type Smart Multi-Variable Flow Transmitter with Corrosion-Resistant Wetted Parts Measured Variables Differential Pressure (ΔP), Static Pressure (Ps), Temperature (T). Measurement Performance ΔP Span Range Defined by suffix "QKBA7". Indicates a specific calibrated span. Example: 0 to 100 kPa (1 bar). Must verify from datasheet. Static Pressure (Ps) Range High Range, e.g., 0 to 16 MPa (2320 psi). Temperature (T) Range Integrated RTD: -40°C to +125°C. Reference Accuracy (Flow) ±0.15% of reading (typical for compensated flow). Long-Term Stability ±0.1% of URL per year. Computation & Output Calculated Variable Mass Flow or Volumetric Flow (density-compensated). Fluid Database Pre-loaded with common gas & steam properties. Primary Element Support Orifice, Venturi, Nozzle, Wedge, Pitot Tube (per ISO/AGA). Analog Output 4-20 mA, two-wire. Primary Variable = Flow. Digital Output HART 7 Protocol. Process Connections & Materials (Key Feature) Wetted Parts (QK) Isolating Diaphragms: Hastelloy C-276 or equivalent nickel-based alloy. Process Flanges/Connections: 316L SST or matching alloy. Fill Fluid Silicone oil or Inert Fluorocarbon (specify for O2 service). Pressure Ports 1/4" NPT or G1/2" female (typically in 316L SST). Mechanical & Environmental Housing Stainless Steel. Protection Degree IP66 / IP67 / NEMA 4X. Process Temperature -40°C to +120°C (wetted parts). Ambient Temperature -40°C to +85°C. Certifications Explosion Protection Base design supports ATEX/IECEx: Ex ia IIC T4/T6 Ga & Ex d IIC T4/T6 Gb (as an ordered option). Material Certs 3.1 Material Certificate typically provided for the Hastelloy wetted parts.