Parameters Category Parameter Specification / Interpretation for 266HSHHKBB2L1TB General Model Series 2600T Series (FMT - Flow Multivariable Transmitter) Type Smart Multi-Variable Flow Transmitter (4-20mA HART) Measured Variables ΔP (Differential Pressure), Ps (Static Pressure), T (Temperature). Measurement Performance ΔP Span Range Wide range, typically from 0.1 kPa to 3 MPa (exact min/max defined by suffix). Static Pressure (Ps) Range High Range, e.g., 0 to 16 MPa (2320 psi). Temperature (T) Range Integrated RTD, e.g., -40°C to +125°C. Reference Accuracy (Flow) ±0.15% of rate (typical for compensated flow). Long-Term Stability ±0.1% of URL per year. Computation & Output Calculated Variable Mass Flow or Volumetric Flow (compensated). Fluid Properties Pre-loaded database + user-defined. Primary Element Support Orifice, Venturi, Nozzle, Wedge, Pitot Tube (ISO/AGA). Analog Output 4-20 mA, two-wire. Primary Variable = Flow. Digital Output HART 5/6/7. Access to all variables (PV, SV, TV) & diagnostics. Electrical Supply Voltage 10.5 to 42 V DC (two-wire loop). Communication Protocol HART (Bell 202 FSK). Process Connections & Materials ΔP Ports 1/4" NPT or G1/2" female (High & Low side). Ps & T Port Integrated, with 1/2" NPT process connection. Wetted Parts (Suffix Defined) HHK: Likely indicates Hastelloy C-276 diaphragms/seals for high corrosion resistance. BB2: Likely defines flange type/rating. Mechanical & Environmental Housing Compact design, Stainless Steel or Aluminum. Protection Degree IP66 / IP67 / NEMA 4X Process Temperature -40°C to +120°C (for wetted parts). Ambient Temperature -40°C to +85°C Certifications Explosion Protection ATEX / IECEx: Ex ia IIC T4/T6 Ga (Intrinsic Safety) & Ex d IIC T4/T6 Gb (Flameproof) options. Safety Integrity SIL 2/3 capable.