作為 SmartLine 系列產品的一部分，SmartLine STT850 是一款高性能溫度變送器，

可在很廣泛的製程和環境溫度範圍內提供高精度和穩定性。 SmartLine 系列也經過

全面測試並符合 Experion PKS 標準，可提供最高等級的相容性保證和整合功能。 

SmartLine 可輕鬆滿足最嚴苛的溫度測量應用需求。

Best in Class Features: 

Industry-leading performance 

o Digital 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 Supports Namur 107 Extended Diagnostics (FF). 

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.