Description Specifications Literature Description Barksdale's 440 Series Intrinsically Safe Transducers provide high accuracy pressure measurement when operating in Class I, Division I environments. Intrinsically safe transducers prevent personal injury and machinery damage by preventing the explosion in the first place. External zener barriers are required in order to meet UL requirements for an intrinsically safe installation. The higher cost of having to install a zener barrier is offset with the comfort of knowing that an explosion will not occur within normal operating conditions. Three models are available: Series 443 (0-5V), Series 445 (4-20mA) and Series 446 (0-10V).Features: High accuracy Protection in hazardous environments, Class I, Div 1 Rugged all-welded stainless steel construction Superior EMI, ESD and RFI protection NEMA 4 Built-in high pressure snubber (2000 PSI and above) cULus, CE approved ATEX / IECEx certified Applications: Oil & gas pipelines Oil patch Petrochemical plants Refineries Pulp and paper mills Coal and oil fired power plants Cement plants Gas transfers for fuel systems Gas panels Gas mixing systems State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:±0.25% FSO at 75°F typical; ±0.5% for vacuum onlyElectrical Connection:M12 Hirschmann connector (ELST 412 PG9)Pressure Connection:1/4-18 NPT maleInput:12 to 28 VDCOutput:4 - 20 mA analog outputSwitchPressure Range:0 - 5,000 PSI (0 - 345 bar)Wetted Parts:17-4 PH (fitting) & 300 stainless steel (sensor)Enclosure:NEMA 4, 300 series stainless steel Literature & Docs Product Specifications Accessories