1.Introduction
Part of the SmartLine® family of products, the STF800 is a high performance flange mounted level transmitter featuring piezoresistive sensor technology. STF800 transmitters may be directly mounted onto a tank flange and are offered with a variety of tank connections including various flush and extended diaphragm configurations. STF800 offers high accuracy and stability over a wide range of level applications. SmartLine products are 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 tank level measurement applications.
2.Best in Class Features:
Accuracies up to 0.0375% standard &0.025% Opt.
Stability up to 0.01% of URL per year for ten years
Automatic static pressure & temperature compensation
Rangeability up to 100:1
Response times as fast as 90ms
Multiple local display capabilities
External zero, span, & configuration capability
Polarity insensitive electrical connections
Comprehensive on-board diagnostic capabilities
Integral Dual Seal design for highest safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0
World class overpressure protection
Full compliance to SIL 2/3 requirements.
Modular design characteristics
Available with 15 year warranty
Plugged Impulse Line Detection Option
Dual/Triple Calibration Option (HART & Fieldbus Only)
3.Communications/Output Options:
4-20mA dc
Honeywell Digitally Enhanced (DE)
HART ® (version 7.0)
FOUNDATION™ Fieldbus
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