honeywell
SmartLine STT700
Compact and Flexible Smart Temperature Transmitter for Process Control and Safety
Features
Single input supporting up to 4-wire RTD sensor connection
Dual input option for two 3-wire RTD sensors
SmartLine Connection Advantage when used with Experion
Digital accuracy up to 0.15°C for RTD
Supports Callendar-Van Dusen constants for RTD calibration
Multiple mounting options: field, head, panel, DIN rail
Transmitter and sensor diagnostics for preventive maintenance
HART7 and DE (Digital Enhanced) communication protocols
SIL 2/3 compliant for use in safety instrumented systems
FM, CSA, ATEX, IECEx certified for hazardous area applications
Up to 4-year warranty for long-term reliability
Product Description
Honeywell SmartLine® STT700 Temperature Transmitters provide a reliable and cost-effective solution for most process temperature monitoring needs. As a direct replacement for the STT250, the STT700 supports single and dual RTD inputs with enhanced diagnostics, HART7 and DE communications, and full SIL 2/3 compliance. Designed for control and safety applications, the STT700 ensures precise and efficient temperature measurements in a wide range of industrial environments.
Specifications
Brand:Honeywell
Series:SmartLine STT700
Input Types:RTD (up to 4-wire for single input; up to 2 x 3-wire RTDs for dual input)
Accuracy:Up to ±0.15°C (RTD input)
Display Type:Optional local display (basic and advanced available)
Power Supply:11 to 42 VDC (loop-powered)
Communication Protocols:HART 7, DE
Process Temperature Range:-50°C to +850°C (sensor dependent)
Mounting Type:Field, head mount, panel mount, DIN rail
Certifications:ATEX, IECEx, FM, CSA
Safety:SIL 2/3 Certified (IEC 61508)
Material:Stainless Steel Housing
Warranty:Up to 4 years
Applications:General Process Temperature Monitoring, Chemical and Petrochemical Industries, Power Generation and Utilities, Oil and Gas Production, Safety Instrumented Systems (SIS), Upgrading from legacy STT250 installations
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