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SmartLine STT850
STT850

SmartLine STT850

 

The SmartLine STT850 temperature transmitter is designed to deliver very high performance across varying ambient temperatures. The total installed accuracy level of the transmitter, including the ambient temperature effect, allows the STT850 to replace virtually any transmitter available today.

1. Best in Class Features: 

1.1. Industry leading performance

Digital Accuracy up to 0.10 Deg C for RTD

Stability up to 0.01% of URL per year for ten years

125 mSec update time for single input models

250 mSec update time for dual input models

Sensor Matching Facility for higher accuracy

1.2. Reliable measurement  

Built in Galvanic Isolation

Differential/Averaging/Redundant/Split Range  measurements

Dual Compartment Housing

Sensor Break detection

Comprehensive on-board diagnostic capabilities

Full compliance to SIL 2/3 requirements. 

Available with 15 year warranty

Supports Namur 107* Extended Diagnostics

Supports Namur 89 Wire break

1.3. Lower Cost of Ownership

Universal  input

Dual sensor option

Multiple local display capabilities 

Modular construction 

External zero, span, & configuration capability

Polarity insensitive loop wiring

Digital Output Option

1.4. Communications/Output Options:

4-20mA dc

Honeywell Digitally Enhanced (DE)

HART ®(version 7.0)

FOUNDATION™ Fieldbus compliant to ITK 6.1.1 

All transmitters are available with the above listed communications protocols.

2. Modular Features

Replace Temperature/Terminal board/Lightning protection  

Exchange/replace electronics/comms modules

Add or remove integral indicators

Add or remove external configuration buttons

3. System Integration

SmartLine communications protocols all meet the most current published standards for HART/DE/Fieldbus.

Integration with Honeywell’s Experion PKS offers the following unique advantages.

Transmitter messaging

Maintenance mode indication

Tamper reporting

FDM Plant Area Views with Health summaries

All STT 850 units are Experion tested to provide the highest level of compatibility assurance

Temperature Transmitter