As a high-performance differential pressure transmitter under ABB's renowned 2600T series, the 266DSH redefines reliability and intelligence in pressure measurement. Engineered to fulfill the rigorous demands of diverse industrial environments—from harsh offshore oil & gas fields to precision-focused pharmaceutical labs—this transmitter delivers exceptional long-term stability and performance, embodying ABB's unwavering commitment to customer satisfaction .
Sensor code | Upper range limit | Lower range limit | Minimum measuring span |
A | 1 kPa 10 mbar 4 inH20 | -1 kPa -10 mbar -4 inH2O | 0.05 kPa O.5 mbar 0.2 inH20 |
B | 4kPa 40 mbar 16 inH2O | -4 kPa -40 mbar -16 inH2O | 0.2 kPa 2 mbar 0.8 inH2O |
E | 16 kPa 160 mbar 64 inH20 | -16 kPa -160 mbar -64 inH20 | 0.54 kPa 5.4 mbar 2.16 inH2O |
F | 40 kPa 400mbar 160 inH2O | -40 kPa -400 mbar -160 inH2O | 0.4 kPa 4 mbar 1.6 inH20 |
H | 160 kPa 1600 mbar 642 inH2O | -160 kPa -1600 mbar -642 inH20 | 1.6 kPa 16 mbar 6.4inH2O |
M | 600 kPa 6bar 87 psi | -600 kPa -6 bar -87 psi | 6kPa 0.06 bar 0.87 psi |
P | 2400 kPa 24 bar 348 psi | -2400 kPa -24 bar -348 psi | 24 kPa 0.24 bar 3.5 psi |
Q | 8000 kPa 80 bar 1160 psi | -8000 kPa -80 bar -1160 psi | 80 kPa 0.8 bar 11.6 psi |
S | 16000 kPa 160 bar 2320 psi | -16000 kPa -160bar -2320 psi | 160 kPa 1.6 bar 23.2 psi |
Item | valve |
Measuring principle | Differential pressure |
Reference Accuracy | from 0.06 % of calibrated span |
Long term stability | 0.15 % of URL |
Process temperature | –40 and 121 °C (–40 and 250 °F) |
Ambient temperature | –40 and 85 °C (–40 and 185 °F) |
large turn down ratio | up to 100:1 |
10–year stability | 0.15 % of URL |
Humidity | Relative humidity: up to 100 % Condensing, icing: admissible |
Vibration resistance | Accelerations up to 2 g at frequency up to 1000 Hz |
Shock resistance | Acceleration: 50 g Duration: 11 ms |
Insulation resistance | > 100 MΩ at 500 V DC (terminals to earth) |
Electromagnetic field | Meets all the requirements of EN 61326 for surge immunity level (of NAMUR NE 21 on request). |
Sensor housing | AISI 316 L ss. |
Process isolating diaphragms | AISI 316 L ss; AISI 316 L ss gold plated; Tantalum; Hastelloy® C-276; Hastelloy® C-276 on AISI 316L ss gasket seat. |
communication | HART，WirelessHART，FOUNDATION Fieldbus，Profibus PA |
Superior Measurement Precision: Boasting a basic accuracy of ±0.06%, the 266DSH ensures highly reliable measurement results, minimizing errors and enhancing overall production efficiency. It covers an extensive measurement range from 0.05 kPa-a to 16000 kPa-a, effortlessly handling both micro-pressure and high-pressure applications .
Intelligent Configuration & Maintenance: The transmitter is equipped with self-configuring circuit boards that allow on-site replacement, significantly boosting plant operational efficiency. Its unique hot-swappable local display enables quick and convenient setup and configuration, reducing maintenance time and spare part costs for customers. Moreover, the innovative TTG Window technology permits on-site operations without opening the cover in explosive environments—configuration can be completed in just a few minutes with simple finger operations .
Advanced Diagnostic Capabilities: Standard with impulse line blockage diagnosis, the 266DSH proactively alerts users to potential blockage trends, enabling predictive maintenance and preventing measurement inaccuracies or production disruptions caused by line blockages .
Enhanced Safety & Compliance: Certified with SIL2/SIL3 by TÜV Nord in accordance with the IEC 61508 standard, the 266DSH guarantees exceptional safety performance, making it ideal for safety-critical applications. It also complies with PED Category III, ensuring adherence to stringent European safety regulations for pressure equipment .
Flexible Communication Options: Supporting multiple communication protocols including 4-20mA+HART, Profibus PA, Foundation Fieldbus, and WirelessHART, the transmitter offers seamless interoperability with various automation systems. The WirelessHART capability allows remote monitoring of hard-to-reach measurement points, safeguarding worker safety. When configured with a 32-second update rate, the wireless version achieves an impressive 10-year battery life, providing a low-cost and reliable measurement solution .
Robust Protection Design: Featuring a full-metal sensor, the 266DSH delivers excellent overpressure protection (up to 90 MPa) and can withstand high static pressure up to 42 MPa, making it suitable for demanding applications such as oil pipelines and power plants. It also includes multiple protection mechanisms: input overload protection, output overcurrent limiting, long-term short-circuit protection for output current, TVS suppression for transient lightning and surge currents at two-wire ports, power supply overvoltage protection (≤35V), and reverse polarity protection .
Packaging: Original cardboard box packaging
Esito (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
We can offer rosemount, Endress+Hauser, yokogawa, Siemens, ABB,Fisher,Koso, Samson, Abzil, NELES,UE etc, Brands.
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