Honeywell SmartLine STT750 Temperature Transmitters

The SmartLine STT750 Temperature Transmitter is a high-quality device. It measures temperature accurately and reliably in many different conditions. Engineers test and certify these SMARTLINE TEMPERATURE TRANSMITTERS for compatibility with Experion® PKS, ensuring seamless integration and dependable operation in various industrial applications.

1. Key Features

Accurate Temperature Measurement: Delivers 0.10°C precision for RTD inputs.

Long-Term Stability: Maintains performance with less than 0.01% drift per year for up to 10 years.

Fast Response: Updates in 125ms for single-input models and 250ms for dual-input models.

2. Reliability & Safety

l Built-in electrical isolation and sensor break detection.

l Supports differential, average, redundant, and custom segment measurements.

l Dual-chamber design with comprehensive self-diagnostics.

l Complies with SIL 2/3 safety standards.

3. Advanced Functionality

Input Flexibility: Compatible with various temperature sensors; dual-sensor input available.

Display Options: Choose between basic LCD or advanced graphic LCDs, both rotatable (0° to 270°).

3.1 Two-Way Communication and Configuration Capability:

Configure locally using three external buttons for zero, span, and setup.

Supports handheld configurators (MCT), SCT3000 PC software, and FDM/FDMExpress for remote configuration and monitoring.

3.2 Output & Communication Options:

4–20mA, HART® 7.0, Honeywell Digital Enhanced (DE), and FOUNDATION™ Fieldbus.

Display Options

3.3 Basic LCD Display:

2-line, 16-character screen.

Appears to have 9 data points, including PV, sensor values, and loop output.

8 configurable screens with auto or manual scrolling.

3.4 Graphic LCD Display:

Features bar graphs, trend curves, and multi-language support.

Provides quick access to diagnostics and status information.

4. System Integration & Maintenance

l Supports the latest HART, DE, and Fieldbus protocols for easy integration.

l Designed to be incorporated into Experion PKS systems:

l Enables messaging, maintenance mode, and change reports.

l Modular Design:

l Easily swap temperature, electronics, or display modules without recalibration.

l You can perform upgrades and repairs with no loss of performance or accuracy.

l Low Cost of Ownership

l Reverse polarity protection and optional switch output.

Design reduces inventory and maintenance costs.

l Self-diagnostics and two-way communication help minimise unplanned downtime.

5. Note on Discontinued Products

The following thermostats from the TT750 series are now discontinued:

l TT7500C1006 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump)

l TT7500C1018 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump) - PACK OF 3

l TT7500C1007 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump with 2nd Stage Backup Heat)

l TT7500C1019 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump with 2nd Stage Backup Heat) - PACK OF 3

l TT7500C1008 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump with 3rd Stage Backup Heat)

l TT7500C1020 - FocusPRO TT750 Universal Programmable Thermostat (Heat Pump with 3rd Stage Backup Heat) - PACK OF 3

Newer generations of Honeywell temperature control products have succeeded these models.

For more modules you are interested in, please refer to the following:

Honeywell STA725 Absolute Pressure Transmitter

Honeywell STD810 Differential Pressure Transmitter

Honeywell TC911A1006 Isolation Module

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