Honeywell SmartLine STT750 Smart Temperature Transmitter with HART

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Price $1,429.00

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Smart temperature transmitter, single universal input (RTD, thermocouple, mV, or Ohm), 4-20 mA output and HART communications, 125 mSec update time, digital accuracy to ±0.14° C (Pt100Ω)

Honeywell SmartLine STT750 temperature transmitters are suitable for a wide range of control and safety applications where temperature measurement is critical to performance. Built on the SmartLine modular platform, they include polarity insensitive wiring connections and built-in diagnostics for low total cost of ownership and easy maintenance.

The STT750 replaces the retired Honeywell STT3000 family's STT250 HART® field-mount temperature transmitter.

  • Single universal input for RTDs, thermocouples, mV, and Ohms
  • Digital accuracy up to 0.14°C for RTD
  • Stability up to ±0.01% upper range limit per year for 10 years
  • 125 mSec update time
  • Up to 8 display screens, two line x 16 character, displays up to six data points, and can rotate 0°, 90°, 180°, or 270° position for optimal visibility
  • Integral display and three-button configuration for zero, span, and other options
  • Built-in galvanic isolation and sensor break detection
  • Comprehensive on-board diagnostics for transmitter and sensors
  • 4-20 mA DC and HART7 communications output for configuration
  • Dual compartment housing
  • Full compliance to SIL 2/3 requirements
  • FM, CSA, ATEX, IECEx approvals

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.

Make one selection from each table section below to build your complete model number.
A complete STT750 model number looks like this: STT750-S-0-_-_ _ _- _ _ _ - _ - _ _ _ _ - _ _ - 0000

DescriptionCatalog NumberAvailability
Temperature Transmitter, Universal Single Input, 4-20 mA and HART 7 Output, Standard Diagnostics, Factory Standard ConfigurationSTT750-S-0-
FM ApprovedA-
CSA ApprovedB-
ATEX ApprovedC-
IECEx ApprovedD-
Aluminum Housing, 1/2" NPT ConnectionAH _ -
Aluminum Housing, 1/2" NPT Connection, Lightning ProtectionCH _-
316 Stainless Steel Housing, 1/2" NPT ConnectionEH _ -
316 Stainless Steel Housing, 1/2" NPT Connection, Lightning ProtectionGH _ -
InterfaceNo Indicator, No Configuration Buttons_ _ 0-
No Indicator, Zero/Span Configuration Buttons_ _ A-
Digital Indicator, No Configuration Buttons_ _B-
Digital Indicator, Configuration Button Interface_ _ C-
ConfigurationNo Write Protection, Fail High, Standard High/Low Output Limits11S
No Write Protection, Fail Low, Standard High/Low Output Limits12S
Write Protection, Fail High, Standard High/Low Output Limits13S
Write Protection, Fail Low, Standard High/Low Output Limits14S
CalibrationFactory Standard Single CalibrationA-
Custom Single Calibration (Unit Data Required)B-
None0 _ _ _-
Carbon Steel Flat Pipe Mounting Bracket1 _ _ _-
Carbon Steel Angle Pipe Mounting Bracket3 _ _ _-
Carbon Steel Wall Mounting Bracket5 _ _ _-
316 SS Flat Pipe Mounting Bracket2 _ _ _-
316 SS Angle Pipe Mounting Bracket4 _ _ _-
316 SS Wall Mounting Bracket6 _ _ _-
TagNone_ 0 _ _-
Wired Stainless Steel Tag (Up to 4 Lines, 26 Char Ea.)_ 1 _ _-
Conduit Plugs
and Connectors
None_ _ A0-
1/2" NPTM to 3/4" NPTF 316 SS Certified Conduit Adapter_ _ A2-
1/2" NPT 316 SS Certified Conduit Plug_ _ A6-
1/2" NPT Minifast® 4-Pin (Not for Explosion-Proof Use)_ _ A8-
Calibration Test Report, Certificate of ComplianceF1-
SIL 2/3 CertificationFE-j

  j   Requires write protection option for SIL compliance.

More Information
SIL-Rated Yes

To build your complete part number, make a selection from each table section below. Your completed model and its price will appear in the Results section. If you don't see the options you need, call us.


                                  Please complete your model selections.
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