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Honeywell STT250 Series Smart Temperature Transmitter

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  • MEASUREMENT PARAMETER: Temperature 
  • INDUSTRY: Food & Beverage | Petrochem & Refining | Pharmaceutical | Pulp & Paper | Semiconductor | Upsteam Oil & Gas | Water & Wastewater | Whisky 
  • CERTIFICATION: ATEX | SIL 
  • OUTPUT TYPE: Transmitter 
  • TAGS: ATEX | HFI | Honeywell | oil&gas | SMART instrumentation | temperature
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STT250 Series Smart Temperature Transmitter Introduction

Honeywell STT250 Smart temperature transmitters are HART enabled Temperature Transmitters aimed towards the monitoring and control of critical process temperature applications. In several process heating applications, the Honeywell STT250 is employed to control process temperatures leading to energy efficiency and product quality.

The STT250 Series Smart Temperature Transmitter is a microprocessor based unit suitable for accepting a wide variety of thermocouple and resistance temperature detector sensor inputs or direct ohm or milli-volt inputs and providing a 2 wire 4-20 mA “Analog”, digital “DE”, or analog “HART” proportional output. The transmitter offers high accuracy and stability together with wide flexibility to suit a wide range of applications. All adjustments and operational settings are implemented through the Smart Field Communicator (DE) or the HART communicator (HART). Both field communicators access the transmitter by connecting across the 4-20 mA wiring in parallel with the STT250 anywhere along the wiring up to 1500 meters from the transmitter for both the DE and HART protocol versions.

STT250 Series Smart Temperature Transmitter Feature

  • Universal sensor inputs (RTD, thermocouple)

  • Compact size allows direct head mounting

  • Broad selection of housings and materials

  • Possibility of remote communications

  • Availability of pre-assembly and pre-configuration

  • Easy installation and maintenance

  • Integral analog or digital indicating meter option

  • Simple installation and wiring — customized mounting

  • Faster startup and commissioning

  • Simple trouble-shooting with advanced diagnostics


STT250 Series Smart Temperature Transmitter Specification 


Models within the Honeywell STT250 transmitters include…

  • STT25D Single input transmitter with Honeywell DE protocol output

  • STT25H Single input transmitter with HART output

  • STT25S Single input transmitter with HART output and SIL2 TÜV certification

  • STT25M Single input transmitter with basic 4-20mA input

  • STT25T Dual input transmitter with HART output



  • STT25H with HART™ protocol when this popular protocol is preferred. Configuration of the HART unit can be made with any of the listed HART Communication Foundation tools.

  • STT25S with HART 6 protocol and TUV SIL 2 approval. Configuration of the HART unit can be made with any of the listed HART tools 

  • STT25M for 4-20mA operation and local/ remote configuration via Honeywell’s digital DE protocol from the Smart Field Communicator (SFC) or Smart Configuration Toolkit PC based software (SCT). 

  • STT25D with digital DE protocol for either 4-20mA operation or digital integration into the TDC 3000™/ TPS 3000™ control system.


-Manuals

STT250 Series Smart Temperature Transmitter

-Data sheet


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