Honeywell ST800 Basınç Transmitter



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ST800 Pressure Transmitter family includes absolute pressure, gauge pressure, draft range pressure, flanged and remote seal transmitters. Refineries, chemical and pharmaceutical plants and paper mills around the globe rely on these transmitters for accurate and consistent pressure measurement.

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Features

Accuracies up to 0.025% of span

Stability of 0.01% of URL per year for 15 years

Automatic pressure and temperature compensation

Overpressure protection

Turndown ratios up to 400:1

Response times as fast as 80 ms

Unequaled display capabilities

External zero, span and configuration capability

Universal terminal electrical connections

Comprehensive onboard diagnostic capabilities

Integral Dual Seal design based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0

Full compliance to SIL 2/3 requirements

Modularity with field-replaceable units

Unique integration capabilities with Experion®​

Plugged Impulse Line Detection (Optional)

Dual/Triple Calibration (Optional)

Available with additional 15-year warranty

Working Principle

ST800 transmitters can replace any 4-20 mA output transmitter in use today and operate over a standard two-wire system. Other features include:

Three-in-one piezoresistive sensor that combines a differential pressure sensor, temperature sensor and static pressure sensor to deliver a fully compensated output signal

High-performance microprocessor with integrated A/D converters that delivers faster response times, higher accuracy and better rangeability

A range of output communication options, including 4-20 mA, Honeywell Digitally Enhanced (DE) protocol, HART and FOUNDATION Fieldbus

Integration with the Experion control system: This improves performance and provides other capabilities such as transmitter messaging, healthwatch diagnostic capabilities, maintenance mode indication, and tamper alarm/indication.

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