Honeywell STD820-E1HS2AS-1-A-ADE-11S-A-10A0-00-0000 dP Transmitter, -400 to 400"

STD820 Differential Pressure Transmitter, -400 to 400" H2O Range Limits. Reference Accuracy 0.0375% of Span, 400:1 Max. Turndown Ratio.  316 SS Head, 316L SS Diaphragm, Silicone Oil 200 Fill, 1/2" NPTF Process Connection, 316 SS Bolt and Nuts, Single-Ended Head, Standard Side Vent, Teflon Gasket, Static Pressure 4500 PSIG. Standard Head Orientation: High Side Left, Low Side Right. FM Explosion-Proof, Intrinsically Safe, Non-Incendive, Dustproof. Aluminum Housing, 1/2" NPT Connection, 4-20 mA DC Output, DE Protocol.  Advanced Display with External Zero/Span/Configuration Buttons. Standard Diagnostics, Fail High (3.8 to 20.8 mA DC Output Limits). Carbon Steel Angle Bracket. Factory Standard Configuration, Factory Standard Single Calibration.