Honeywell STR700 Remote-Seal Pressure Transmitter
SmartLine® ST700 Remote Diaphragm Seal Transmitters provide accurate measurement in a wide variety of applications involving corrosive or high-temperature process fluids.

SmartLine® ST700 Remote Diaphragm Seal Transmitters provide accurate measurement in a wide variety of applications involving corrosive or high-temperature process fluids.
- Model series
- STR700
- Product characteristic
- Part of the SmartLine® family of products, the STR700 is a series of pressure transmitters hydraulically matched and optimized with a complete set of remote diaphragm seals. Utilizing the same high performance sensor technology of the ST 800 product line Honeywell has optimized the mechanical and hydraulic designs in order to minimize the typical effects of temperature on remote seal systems. 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 application needs for pressure measurement applications.
- Product characteristic
- Automatic static pressure & temperature compensation.
- Product characteristic
- Supports NAMUR NE-107 Extended Diagnostics (HART)
STR700
Request a quoteAbout this product
Introduction Part of the SmartLine® family of products, the STR700 is a series of pressure transmitters hydraulically matched and optimized with a complete set of remote diaphragm seals. Utilizing the same high performance sensor technology of the ST 800 product line Honeywell has optimized the mechanical and hydraulic designs in order to minimize the typical effects of temperature on remote seal systems. 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 application needs for pressure measurement applications. Best in Class Transmitter Features: • Accuracies up to 0.075% of span. • Stability up to 0.02% of URL per year for 10 years (base transmitter only). • Automatic static pressure & temperature compensation. • Rangeability up to 100:1. • Multiple local display capabilities. • External zero, span, & configuration capability. • Polarity insensitive electrical connections. • Comprehensive on-board diagnostic capabilities. • Integral Dual Seal design for highest safety based on ANSI/NFPA 70-202 and ANSI/ISA 12.27.0. • World class overpressure protection. • Full compliance to SIL 2/3 requirements. • Modular design characteristics. • Available with additional 4-year warranty. • Supports NAMUR NE-107 Extended Diagnostics (HART) Four models are available with the following range and span limits: STR73D/ STR735D -100 to 100 psig (-7 to 7 bar) 1 to 100 psig (0.07 to 7 bar) STR74G/ STR745G -500 to 500 psig (-35 to 35 bar) 5 to 500 psig (0.035 to 35 bar) For quotation, send the complete order code, quantity and operating conditions. Specifications and available options depend on the ordered configuration.
Technical information
| Model series | STR700 |
|---|---|
| Brand | Honeywell |
| Product characteristic | Part of the SmartLine® family of products, the STR700 is a series of pressure transmitters hydraulically matched and optimized with a complete set of remote diaphragm seals. Utilizing the same high performance sensor technology of the ST 800 product line Honeywell has optimized the mechanical and hydraulic designs in order to minimize the typical effects of temperature on remote seal systems. 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 application needs for pressure measurement applications. |
| Product characteristic | Automatic static pressure & temperature compensation. |
| Product characteristic | Supports NAMUR NE-107 Extended Diagnostics (HART) |
Downloads & files
Need help confirming a configuration? Ask about this instrument →
Before you request a quote
How do I request a quote for STR700?
Send the full model or order code, quantity and delivery country. For a replacement, include the existing instrument specifications; for a new installation, use the selection checklist below.
Where can I find technical documents?
This page does not yet include a downloadable PDF. Ask for the datasheet or drawing for your complete order code when you submit an inquiry.
How are price and delivery confirmed?
Price and delivery depend on the final configuration, quantity and destination. Request a written quotation for your project; this page does not confirm stock or a delivery date.
LET’S FIND YOUR INSTRUMENT
Tell us what you need.
Start with a model or an application. Our sales team can help check the configuration for your project.
Find your regional sales contact ↗What helps us select an instrument?
Medium, measuring range, process temperature, pressure, output signal and connection. You can send what you know now and discuss the remaining details with us.