Honeywell STD820-E1AC4AS-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, 1/4" NPTF Process Connection, Carbon Steel Bolt and Nuts, Dual-Ended Head, Standard End 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, Honeywell DE Protocol, Advanced Display, Local Zero, Span, and 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.