Description
ABB 266DSHASHA4A1B1 266DSHASHA4A1B1: High-Precision Pressure Transmitter for Industrial Automation

The ABB 266DSHASHA4A1B1 is a versatile pressure transmitter designed to deliver exceptional accuracy and reliability in demanding industrial environments. Whether you’re monitoring pipelines, managing tank levels, or ensuring process consistency, this device seems to strike the right balance between performance and ease of integration.
Key Features
- High Accuracy: With a typical measurement accuracy of ±0.04%, it ensures precise readings even in critical applications.
- Dual Sensor Technology: Combines differential and absolute pressure sensing, offering flexibility for complex processes.
- Wide Range of Outputs: Supports 4-20mA, HART, and FOUNDATION Fieldbus protocols, making it compatible with most control systems.
- Rugged Design: Built to withstand harsh conditions, including corrosive atmospheres and extreme temperatures.
- User-Friendly Interface: Intuitive local display and configuration buttons simplify setup without needing additional tools.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | ABB 266DSHASHA4A1B1 |
| HS Code | 902620 |
| Power Requirements | 10.5 – 45 VDC |
| Dimensions & Weight | Height: 150mm, Width: 90mm, Depth: 70mm; Weight: 1.2kg |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
| Signal Input/Output Types | 4-20mA, HART, FOUNDATION Fieldbus |
| Communication Interfaces | HART Protocol, Modbus RTU |
| Installation Method | Flange Mounting (Standard Flange Sizes) |
Application Fields
This transmitter finds its place in industries where precision matters most. From oil and gas refineries monitoring pipeline pressures to pharmaceutical plants ensuring sterile conditions during production, the 266DSHASHA4A1B1 proves indispensable. One thing I appreciate is how well it adapts to both hazardous and non-hazardous zones, thanks to its robust certifications.
Advantages & Value
Procurement teams often look for three things: reliability, compatibility, and cost-effectiveness. This model checks all those boxes. Its dual-sensor capability reduces the need for multiple devices, saving space and installation costs. Plus, with global technical support available, troubleshooting rarely becomes a headache. While some advanced features may require initial training, the long-term benefits far outweigh the learning curve.
Installation & Maintenance
For optimal performance, install the transmitter in a well-ventilated cabinet, avoiding direct exposure to sunlight or moisture. Wiring should comply with standard industrial practices, using shielded cables to minimize interference. Routine maintenance includes periodic calibration checks every six months and firmware updates when new versions are released. Cleaning the external housing with mild solvents helps maintain accuracy over time.
Quality & Certifications
Backed by certifications like CE, UL, and RoHS compliance, this transmitter guarantees safety and environmental responsibility. The manufacturer offers a 365-day warranty, covering defects in materials and workmanship under normal use. From my experience, their customer service team responds promptly to warranty claims, which adds peace of mind.
Order Placement Process and Guarantees:
- Warranty period: 365 days
- Delivery time: 1 week for in-stock items, no more than one month at the latest
- Payment method: 50% advance payment, full payment before delivery
- Express delivery methods: FedEx, UPS, DHL







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