Honeywell STT750 SmartLine, User Manual

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Revision 4 STT750
Temperature Transmitter User’s Manual
Page 1
1. Introduction
1.1. Overview
This section is an introduction to the physical and functional characteristics Honeywell’s family of
STT750 SmartLine Temperature Transmitters.
1.2. Features and Options
The STT750 SmartLine Temperature Transmitter is available in a variety of models for measuring
Thermocouples, RTDs, millivolts and Ohm.
Table 1 lists the protocols, Human-Machine Interface
(HMI), materials, approvals, and mounting bracket options for the STT750.
Table 1
– Features and Options
Feature/Option Standard/Available Options
Communication Protocols HART version 7
Human-Machine Interface (HMI)
Digital display
Three-button programming (optional)
Display language: English only
Calibration Single
Approvals (See Appendix A for
details.)
ATEX, CSA, FM, IECEx
Mounting Brackets
Angle and flat pipe mounting and wall mounting brackets
in carbon steel and 316 stainless steel.
1.2.1. Physical Characteristics
As shown in Figure 1 , the STT750 is packaged in one major assembly: the Electronics Housing.
The elements in the Electronic Housing are connected to the process sensors, measure the process
variables, respond to setup commands and execute the software and protocol for the different
temperature measurement types.
Figure 2 shows the assemblies in the Electronics Housing with
available options.