Process Temperature Measurement Solution – Honeywell STT17H-BS | STT17H Series
Where This Product Is Used
The Honeywell STT17H-BS is engineered for demanding industrial process environments where accurate, reliable temperature measurement is mission-critical. Typical deployment scenarios include:
- Oil & Gas Upstream/Downstream: Wellhead temperature monitoring, pipeline heat tracing verification, and separator vessel control loops.
- Chemical & Petrochemical Plants: Reactor temperature profiling, distillation column control, and heat exchanger performance monitoring.
- Pulp & Paper / Food & Beverage: Steam jacketed vessel control, pasteurization loop monitoring, and CIP/SIP process validation.
- Power Generation: Turbine lube oil temperature, boiler feedwater monitoring, and cooling water system control.
- Water & Wastewater Treatment: Aeration basin temperature, digester process control, and effluent discharge monitoring.
Technical Specifications
- Model: STT17H-BS
- Series: STT17H Smart Temperature Transmitter
- Manufacturer: Honeywell Process Solutions
- Output Signal: 4–20 mA with superimposed HART digital communication
- Sensor Input: RTD (Pt100, Pt200, Pt500, Pt1000), Thermocouple (B, E, J, K, N, R, S, T), Resistance, mV
- Accuracy: ±0.1°C (RTD); ±0.25°C (Thermocouple)
- Ambient Temperature Range: –40°C to +85°C
- Supply Voltage: 11.5–42.4 V DC (HART)
- Housing: DIN B (BS) rail-mount enclosure
- Ingress Protection: IP20 (DIN rail version)
- Approvals: CE, ATEX (intrinsically safe variants available)
- Configuration: HART Communicator, Honeywell FDT/DTM, or PC-based tools
Why Engineers Specify This Model
- HART Connectivity: Enables remote diagnostics, loop calibration, and asset management without breaking the 4–20 mA loop — reducing maintenance downtime.
- Universal Sensor Input: A single transmitter model supports RTDs and thermocouples across a wide range, simplifying spare-parts inventory.
- DIN Rail Form Factor (BS): The -BS suffix designates the compact DIN rail mount variant, ideal for marshalling cabinets and control panel installations where head-mount space is limited.
- Sensor Backup Function: Dual-sensor input capability allows automatic failover to a backup sensor, maintaining process continuity during primary sensor failure.
- Long-Term Stability: Honeywell’s proven signal conditioning circuitry delivers <0.1% drift per year, reducing recalibration frequency.
Complete System Bill of Materials
For a complete temperature measurement loop using the STT17H-BS, engineers typically specify:
- Honeywell STT17H-BS — DIN rail smart temperature transmitter (this item)
- Pt100 RTD sensor with thermowell (process-specific selection)
- HART 475 Field Communicator or Honeywell MC Toolkit — for configuration and calibration
- 24 V DC loop power supply (DIN rail mount)
- 4–20 mA signal isolator / barrier (for IS zones)
- DCS/PLC analog input card (e.g., Honeywell C300, Siemens S7-300 AI module)
- Cable gland and shielded twisted-pair instrument cable (Belden 8762 or equivalent)
Compliance & Industry Standards
- IEC 61508 / IEC 61511 — Functional Safety (SIL assessment available)
- NAMUR NE 43 — Standardized signal levels for fault indication
- NAMUR NE 89 — HART communication in field devices
- IEC 60068 — Environmental testing (vibration, shock, humidity)
- CE Marking — EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
- RoHS Compliant
Quality Assurance & Sourcing
All Honeywell STT17H-BS units supplied by Konmask.com are sourced through verified industrial distribution channels. Each unit is:
- Inspected against Honeywell factory documentation and datasheet specifications
- Supplied with original manufacturer packaging and documentation where available
- Traceable to batch/lot records for quality audit purposes
- Backed by Konmask’s pre-shipment functional verification process
We do not supply grey-market, refurbished, or counterfeit components. Authenticity is our baseline commitment.
How to Source This Part
To place an order or request a quotation for the Honeywell STT17H-BS:
- Online: Add to cart directly on this page for in-stock units
- RFQ / Bulk Orders: Email support@konmask.com with quantity, required delivery date, and project details
- Phone / WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Lead Time: In-stock units ship within 1–3 business days; ex-factory orders subject to Honeywell lead times
- Export: We support international shipping with full commercial invoice and packing list documentation for customs clearance
Application-Specific FAQ
Q: What is the difference between STT17H-BS and STT17H-BH?
A: The -BS suffix denotes DIN rail (BS EN 50022) panel mount; -BH denotes field-mount head transmitter housing. Both share the same electronics and HART functionality.
Q: Can the STT17H-BS be used in hazardous areas?
A: The standard -BS variant is rated for safe areas (IP20). For Zone 1/2 or Division 1/2 hazardous locations, specify the intrinsically safe or explosion-proof variant and consult the applicable ATEX/IECEx certificate.
Q: Is the STT17H-BS compatible with Honeywell Experion PKS?
A: Yes. Via HART pass-through on compatible Experion I/O modules, the STT17H-BS supports full device management, diagnostics, and calibration from the Experion operator station.
Q: What configuration software is required?
A: The transmitter can be configured using a HART 475/375 handheld communicator, Honeywell FDT/DTM-compliant tools (e.g., PACTware), or any HART-compatible asset management system such as AMS Device Manager.
Q: What is the minimum loop resistance for HART communication?
A: A minimum of 230 Ω total loop resistance is required for reliable HART communication superimposed on the 4–20 mA signal.
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