ABB PTU810A
ABB PTU810A
ABB PTU810A
ABB PTU810A
ABB PTU810A

ABB PTU810A | 800 Series Smart Pressure Transmitter for Process Control

  • Brand: ABB
  • Model: PTU810A
  • Product Type: Smart Pressure Transmitter
  • Series: 800 Series (Pressure Measurement Instruments)
  • Core Function: Measures process pressure (gauge/absolute) and transmits 4-20mA analog signals with HART protocol data for DCS/PLC integration; enables remote configuration and diagnostics.
  • Key Specs: 0-100 bar measurement range, ±0.075% accuracy, -40°C to +85°C operating temperature, 4-20mA/HART 7 output.
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Part number: ABB PTU810A
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Description

PTU810A: Product Overview
This device is a smart pressure transmitter within ABB’s 800 Series, designed for industrial process pressure measurement in distributed control systems (DCS) and programmable logic controllers (PLC). In an automation architecture, it functions as a field sensor, installed on process vessels, pipelines, or equipment to monitor pressure conditions. Its role is to convert physical pressure into standardized electrical signals (4-20mA) for controller input, while embedding diagnostic and configuration data via the HART protocol for enhanced system intelligence.
The core functionality involves piezoresistive sensing element technology to measure gauge or absolute pressure, with signal conditioning (linearization, temperature compensation) to ensure accuracy across operating ranges. It processes raw sensor data into a 4-20mA output proportional to pressure, and superimposes HART 7 digital signals for remote parameter adjustment (e.g., range scaling, damping) and access to diagnostics (e.g., sensor drift, process noise). The transmitter mounts directly to process connections (e.g., threaded, flange) and interfaces with ABB 800xA or third-party DCS/PLC systems via analog input modules.
It belongs to the 800 Series pressure measurement family, optimized for reliability, long-term stability, and global compliance. The platform’s benefits include modular sensor heads for varied pressure ranges, adherence to IEC 61508 (functional safety) for SIL 2 applications, and ABB’s FieldCare software for centralized asset management—reducing lifecycle costs through predictive maintenance.

ABB PTU810A

ABB PTU810A

PTU810A: Technical Specifications
  • Model Number: PTU810A
  • Manufacturer: ABB
  • Product Type: Smart Pressure Transmitter
  • Measurement Principle: Piezoresistive silicon sensor
  • Pressure Range: 0-100 bar (customizable: 0-0.1 bar to 0-400 bar)
  • Output Signal: 4-20mA analog (2-wire), HART 7 digital overlay
  • Accuracy: ±0.075% of span (including linearity, hysteresis, repeatability)
  • Process Connection: 1/2-inch NPT (male), optional G1/2, M20x1.5
  • Operating Temperature: -40°C to +85°C (ambient), -40°C to +125°C (process)
  • Power Supply: 12-30V DC (loop-powered)
  • Protection Rating: IP67 (weatherproof, dust-tight)
  • Communication Protocol: HART 7 (FSK modulation)
  • Materials: 316L stainless steel (wetted parts), aluminum alloy (housing)
  • Dimensions: 120mm x 80mm x 55mm (LxWxH)
Core Features & Customer Value​
The transmitter’s design emphasizes measurement precision, system integration flexibility, and operational resilience. The ±0.075% accuracy ensures reliable pressure monitoring in critical processes—for example, in a chemical reactor, it detects minor pressure deviations that could indicate catalyst depletion, enabling proactive adjustments to prevent batch failure. HART 7 protocol support allows engineers to reconfigure range or damping remotely via handheld communicators or asset management software, avoiding costly field visits during process changes.
The 4-20mA output with 2-wire loop power simplifies wiring, as it shares the same pair for power and signal—reducing installation costs in large facilities (e.g., oil refineries with hundreds of transmitters). The IP67 rating and 316L stainless steel wetted parts resist corrosion from harsh media (e.g., sour gas, acidic solutions), extending service life in offshore or chemical plant environments. Wide ambient temperature tolerance (-40°C to +85°C) suits unheated outdoor installations, such as pipeline monitoring in arctic regions.
Integration with ABB FieldCare software provides centralized diagnostics, including sensor health trends and process noise analysis. For maintenance teams, this reduces unexpected failures—for instance, detecting sensor drift in a boiler feedwater line before it causes pressure control instability. The modular design allows sensor head replacement without recalibrating the entire unit, minimizing downtime during repairs.

ABB PTU810A

ABB PTU810A

Typical Applications​
In a natural gas processing plant, the transmitter monitors suction pressure at a compressor inlet. Its 0-100 bar range and HART diagnostics alert operators to fouling in the inlet filter (indicated by rising differential pressure), preventing compressor damage. The 4-20mA signal feeds an ABB AC800M controller for automatic flow adjustment.
At a pharmaceutical bioreactor, it measures absolute pressure inside the vessel to maintain sterile conditions. The ±0.075% accuracy ensures compliance with FDA process validation requirements, while HART remote configuration allows adjusting the range during scale-up from lab to production batches.
In a power plant’s steam turbine system, the transmitter tracks main steam pressure. Its -40°C to +85°C operating range withstands outdoor control panel temperatures, and IP67 protection guards against moisture from nearby cooling towers. Diagnostics identify sensor aging, prompting timely replacement before efficiency drops.

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