Field Instruments

General

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.

Features

• 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
• 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
• Direct entry of Callendar-Van Dusen coefficients R0, α, δ and β for calibrated RTD sensors (not available on DE units)

Specifications

• Make: Honeywell
• Model: STT850-S-0-C-AHC-13C-B-41A0-FE,F5,F1
• Product type : STT850 Smart Temperature Transmitter
• Input Type : STT850 = Universal Input
• No of Inputs : S = Single
• Digital output : 0 = No
• Approvals : A = FM Explosion proof, Intrinsically Safe, Non-incendive, & Dustproof
• A-Electronic Housing Material & Connection Type :
• Housing and Material : Polyester Powder Coated Aluminum
• Connection : 1/2 NPT
• Lightning protection : None
• H-Output/ Protocol :-
• Analog Output : 4-20mA dc
• Digital Protocol : HART Protocol
• B-. Customer Interface Selections
• Indicator : Basic
• Config Buttons : None
• Languages : English
• 1-Standard Diagnostics
• 1- Output Limit, Failsafe & Write Protect Settings
• Write Protect : Disabled
• Fail Mode : High> 21.0mAdc
• High & Low Output Limits3 : Honeywell Std (3.8 - 20.8 mAdc)
• General Configuration : C = Custom Configuration
• A- Accuracy and Calibration
• Accuracy : Standard
• Calibrated Range : Factory Std
• Calibration Qty : Single Calibration
• 1-Mounting Bracket : Pipe Mounting Bracket, Carbon Steel
• 0-No customer tag
• A0- Unassembled Conduit Plugs & Adapters : No Conduit Plugs or Adapters Required
• Certifications and Warranty : F1 = Calibration Test Report & Certificate of Conformance
• Certifications and Warranty : F5 = Certificate of Origin