IntroductionPart of the SmartLine® family of products, the STD800 is a high performance differential pressure transmitter featuring piezoresistive sensor technology. By combining differential pressure sensing with on chip static pressure and temperature compensation the STD800 offers high accuracy and stability over a wide range of application pressures and temperatures. The SmartLine family is also fully tested and compliant with Experion® PKS providing the highest level of compatibility assurance and integration capabilities. SmartLine easily meets the most demanding application needs for pressure measurement applications.Best in Class Features:Accuracies up to 0.035% of span standard & 0.025% of span optionalStability up to 0.01% of URL per year for 15 yearsAutomatic static pressure & temperature compensationRangeability up to 400:1Response times as fast as 90msMultiple local display capabilitiesExternal zero, span, & configuration capabilityPolarity insensitive electrical connectionsComprehensive on-board diagnostic capabilitiesIntegral Dual Seal design for highest safety based onANSI/NFPA 70-202 and ANSI/ISA 12.27.0World class overpressure protectionFull compliance to SIL 2/3 requirements.Modular design characteristicsAvailable with additional 15-year warrantyPlugged Impulse Line Detection OptionDual/Triple Calibration Option (HART & Fieldbus only)Communications/Output Options:4-20mA dcHoneywell Digitally Enhanced (DE)HART ® (version 7.0)FOUNDATION™ Fieldbus