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Honeywell STT850 Precision Pressure Transmitter for Industrial Use

Honeywell STT850 Precision Pressure Transmitter for Industrial Use

Honeywell STT850 pressure transmitter

industrial pressure sensor

precision pressure transmitter

Brand Name:

Honeywell

Certification:

ce

Model Number:

STT850

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Product Details
Product Name:
Temperature Transmitters
Power Supply:
10.8 To 42.4Vdc
Output:
0~10VDC Optional
Weight:
1.6kg
Signal Output:
4-20 Ma DC
Supply Voltage:
5E-05
Highlight:

Honeywell STT850 pressure transmitter

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industrial pressure sensor

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precision pressure transmitter

Payment & Shipping Terms
Minimum Order Quantity
1PCS
Packaging Details
each unit has individual box and all boxes are packed in standard packages or customers requests available
Delivery Time
5-8work days
Payment Terms
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability
1000 Piece/Pieces per Week negotiable
Product Description
Honeywell STT850 Precision Pressure Transmitter for Industrial Use
Product Attributes
Attribute Value
Product Name Temperature Transmitters
Power Supply 10.8 To 42.4Vdc
Output 0~10VDC Optional
Weight 1.6kg
Signal Output 4-20 Ma DC
Supply Voltage 5E-05
Product Description
The Honeywell STT850 is a high-performance precision transmitter designed for reliable pressure and temperature measurement across a wide range of industrial processes and environments. As part of Honeywell's SmartLine series, it delivers exceptional accuracy, stability, and compatibility with industrial control systems--specifically optimized for integration with Honeywell's Experion® PKS (Process Knowledge System). Engineered to handle extreme temperatures and harsh conditions, it combines robust diagnostics with long-term reliability, making it a trusted solution for critical applications in water, oil, air, and other fluid pressure measurement scenarios.
Key Features
  • Industry-Leading Performance: Boasts RTD digital accuracy of up to ±0.10°C, ensuring precise temperature-related pressure measurements. Offers exceptional stability: URL ±0.01% per year, with consistent performance lasting up to 10 years, minimizing drift and reducing calibration frequency. Fast response times: 125 ms for single-input models and 250 ms for dual-input models, enabling real-time monitoring of dynamic processes.
  • Reliable Measurements: Built-in electrical isolation to protect against noise and interference, ensuring signal integrity. Supports diverse measurement modes: differential, average, redundant, and separate range measurements, adapting to complex process needs.
  • Comprehensive Diagnostics: Includes sensor break detection and compliance with Namur 107 (extended diagnostics) and Namur 89 (disconnection) standards, enhancing fault detection and maintenance efficiency. Dual-chamber structure for added durability and protection in harsh environments.
  • Safety Compliance: Fully meets SIL 2/3 requirements, making it suitable for safety-critical applications where reliable pressure monitoring is essential.
  • Versatile Compatibility: Accepts inputs from various sensors, including thermocouples, RTDs, millivolts, volts, and ohms, offering flexibility across measurement types.
  • User-Friendly Design: Features an LCD digital display for on-site monitoring, with options for 0~10VDC or 4-20 mA DC output signals to match system requirements.
  • Long-Term Warranty: Backed by a 15-year warranty, underscoring its durability and Honeywell's confidence in its performance.
Specifications
Basic Information
  • Brand: Honeywell
  • Model: STT850
  • Application: Water, Oil, Air Pressure Measurement
  • Display: LCD Digital
Electrical Specifications
  • Output Signals: 4-20 mA DC (standard); 0~10VDC (optional)
  • Supply Voltage: Not explicitly listed (refer to technical docs for operating range)
  • Accuracy: RTD digital accuracy ±0.10°C; stability URL ±0.01% per year
Performance
  • Response Time: 125 ms (single-input); 250 ms (dual-input)
  • Diagnostics: Namur 107, Namur 89, sensor break detection
  • Safety Rating: SIL 2/3 compliant
Installation Considerations

Environmental Factors: Evaluate ambient temperature, relative humidity, and potential noise sources (RFI, EMI) to ensure optimal performance.

Vibration Sources: Avoid mounting near pumps, motorized devices, or valve cavitation to prevent interference with measurements.

Display Behavior: The LCD may temporarily lose readability or slow update rates at temperature extremes, but normal operation resumes when conditions stabilize.

Applications

Ideal for a wide range of industrial sectors, including:

  • Oil and gas (upstream, midstream, downstream operations)
  • Water and wastewater treatment
  • Chemical processing
  • Power generation
  • HVAC systems

It excels in applications requiring precise, stable pressure measurements across varying temperatures and harsh environments, integrating seamlessly with Experion® PKS and other control systems for enhanced process visibility and control.

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