1. Product Overview:

The ABB 266ART high-performance absolute pressure transmitter is a high-performance transmitter with a diaphragm seal designed specifically for absolute pressure measurement, suitable for measuring the pressure of liquids, gases, or steam, as well as the level of open tanks. Its long-term stability and reliability ensure excellent performance under harsh conditions.
Due to the use of Taylor's all-welded technology in the design and production of the diaphragm seal, the 266ART exhibits unparalleled superior performance and a wide range of options for filling, diaphragm materials, capillary protection types, and process connections. As a leader in measurement under harsh conditions, ABB can provide the most appropriate solutions for critical application points in harsh environments and process conditions. The 266ART, with its long-term stability and reliability, is the best solution for absolute pressure measurement.

Here’s a breakdown of the key features of the ABB 266ART high-performance absolute pressure transmitter—tailored for precision, reliability, and safety in demanding environments:

🔧 Core Specifications

Measurement Type: Absolute pressure with remote diaphragm seals

Accuracy: Up to ±0.04% of calibrated span

Range: Broad pressure ranges depending on seal configuration, ideal for vacuum to high-pressure systems

Stability: Long-term drift of only ±0.15% over 10 years

🛡️ Safety & Certifications

SIL Compliance: Certified for SIL2 (1oo1) and SIL3 (1oo2) applications per IEC 61508

Ex Approvals: Suitable for hazardous zones (ATEX, IECEx, FM, etc.)

PED & EMC: Fully compliant with Pressure Equipment and Electromagnetic Compatibility Directives

⚙️ Design & Construction

All-welded, hermetically sealed electronics: Boosts durability in harsh settings

TTG (Through-The-Glass) display & configuration: Local adjustments without opening the housing

Modular electronics: Easy replacement with auto-configuration support

Stainless steel or Hastelloy® wetted parts: For corrosion resistance

📡 Communication Protocols

HART®, FOUNDATION™ Fieldbus, and Profibus PA

Seamless integration into modern digital control systems

2. Technical Parameters:
 

3. 📌 Frequently Asked Questions – ABB 266ART

Q1: What type of pressure does the 266ART measure? 

A1: It measures absolute pressure using remote diaphragm seals, ideal for applications involving vacuum or sealed systems.

Q2: What makes the 266ART suitable for harsh environments? 

A2: Its all-welded construction, hermetically sealed electronics, and corrosion-resistant materials (like Hastelloy®) ensure long-term durability in extreme conditions.

Q3: Can I configure the transmitter without opening the housing? 

A3: Yes! The TTG (Through-The-Glass) interface allows local configuration via the LCD without removing the front cover.

Q4: Is the 266ART certified for safety applications? 

A4: Absolutely. It’s SIL2 and SIL3 certified per IEC 61508, making it suitable for use in safety instrumented systems.

Q5: What communication protocols are supported? 

A5: It supports HART®, FOUNDATION™ Fieldbus, and Profibus PA, ensuring compatibility with most control systems.

Q6: How stable is the transmitter over time? 

A6: It offers ±0.15% URL stability over 10 years, reducing recalibration needs and maintenance costs.

Q7: What industries typically use the 266ART? 

A7: It’s widely used in chemical, oil & gas, power generation, and pharmaceutical industries—anywhere high accuracy and reliability are critical.