STT850 Honeywell Pressure Transmitter , Pressure Indicator Transmitter 4-20 MA Dc

Pressure Temperature Transmitter STT850 SmartLine Digital Accuracy up to +/- 0.10 Deg C for RTD 4-20 mA dc

Introduction
Part of the SmartLine® family of products, the SmartLine STT850 is a high-performance temperature transmitter offering high accuracy and stability over a wide range of process and ambient 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 needs for temperature measurement applications.


Best in Class Features:

Industry leading performance
oDigital Accuracy up to +/- 0.10 Deg C for RTD
o Stability up to +/- 0.01% of URL per year for ten years
o 125 mSec update time for single input models
o 250 mSec update time for dual input models

Reliable measurement
o Built in Galvanic Isolation
o Differential/Averaging/Redundant/Split Range measurements
o Dual Compartment Housing
o Sensor Break detection
o Comprehensive on-board diagnostic capabilities
o Full compliance to SIL 2/3 requirements.
o Available with 15 year warranty
o Supports Namur 107 Extended Diagnostics
o Supports Namur 89 Wire break
o Direct entry of Callendar-Van Dusen coefficients R0, α, δ and β for calibrated RTD sensors (not
available on DE units)

Lower Cost of Ownership
o Universal input
o Dual sensor option
o Multiple local display capabilities
o Modular construction
o External zero, span, & configuration capability
o Polarity insensitive loop wiring
o Digital Output Option (only available with HART)

Communications/Output Options:
o 4-20 mA dc
o Honeywell Digitally Enhanced (DE)
o HART ® (version 7.0)
o FOUNDATION™ Fieldbus compliant to ITK 6.1.2 All transmitters are available with the above listed
communications protocols.



Instructions:
Make selections from all Tables Key through XIII using column below the proper arrow. Asterisk indicates availability. Letter (a) refer to restrictions highlighted in the restrictions table. Tables delimited w ith dashes.


Performance under Rated Conditions – All Models

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AB

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