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Pressure and Temperature Measurement • Pressure Transmitters ABB
Pressure Transmitters 266MST/RST
DESCRIPTION Model 266MST is a differential pressure transmitter with “multisensor technology” suitable for measuring liquid, gas or steam flow as well as level, pressure and density in applications with working pressure up to 41Mpa / 5945psi. The unique combination of several sensor systems in a single device allows simultaneous measurement of differential pressure and absolute pressure. The sensor temperature and the absolute pressure are also used for eliminating environmental effects on the sensor. Model 266RST is an absolute pressure transmitter based on a differential pressure sensor where the negative chamber is evacuated to full vacuum. It is suitable for measuring liquid, gas or steam pressure.
FEATURES
• Base accuracy from 0.04 % of calibrated span (optional 0.025 %) • Proven sensor technology together with state-of-the-art digital technology • Large turn down ratio of up to 100:1
• Comprehensive selection of sensors for optimized performance and stability • 10-year stability: 0.15 % of URL
• Local configuration via control buttons on LCD indicator • New TTG (through-the-glass) key technology enables quick and easy local configuration without the need to open the cover - even in environments with explosion protection
• IEC 61508 certification for SIL2 (1oo1) and SIL3 (1oo2) applications • Full compliance with Pressure Equipment Directive (PED) category III
266DSH/PSH/VSH
DESCRIPTION Model 266DSH is a differential pressure transmitter suitable for measuring liquid, gas or steam flow as well as level, pressure and density. Model 266PSH is a gauge pressure transmitter manufactured in DP Style. Model 266VSH is an absolute pressure transmitter manufactured in DP Style.
FEATURES
• Base accuracy from 0.06 % of calibrated span (optional 0.04 %) • Reliable sensing system coupled with very latest digital technologies provides large turn down ratio up to 100:1
• Comprehensive sensor choice for optimal in-use total performance and stability • 10–year stability: 0.15 % of URL
• Flexible configuration facilities provided locally via local LCD keypad • New TTG (Through-The-Glass) keypad technology allows quick and easy local configuration without opening the cover, even in explosion proof environments • IEC 61508 certification version for SIL2 (1oo1) and SIL3 (1oo2) applications • Full compliance with PED Category III