Model Foxboro BY3R873RS-BTWFGZ Type Pressure Transmitter (e.g., Gauge/Absolute/Differential) Measurement Range Customized (e.g., 0-1000 psi or other; "BTW" may indicate range code) Output Signal 4-20 mA DC with HART® Protocol Accuracy ±0.065% to ±0.1% of span (typical for 873 series) Power Supply 10.5-42 V DC (loop-powered) Process Connection 1/2" NPT or flanged (material: stainless steel or alloy) Wetted Materials Likely 316L Stainless Steel or Hastelloy (e.g., "FGZ" may specify materials) Housing Rating NEMA 4X (IP66) Ambient Temperature -40°C to +85°C (-40°F to +185°F) Process Temperature -40°C to +120°C (-40°F to +248°F) Protocol HART® 7 Certifications ATEX, IECEx, SIL 2/3 (depending on configuration) Calibration Factory calibrated to customer specifications
