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Emerson Process Management has announced availability of a stainless steel housing option and Hastelloy C wetside sensor option for its Mobrey Squing 2 vibrating short-fork level sensor. Both options provide a significant increase in resistance to corrosion and chemical attack for consistent reliable level measurement in aggressive offshore, chemical and petrochemical environments. The stainless steel housing is ATEX flameproof, FM explosion-proof and safe area approved, and the Hastelloy sensor is ideal for detection of hostile liquids such as bleaches, chlorines, acids, fluorides and fuel oils.
The new versions of Squing 2 are available with a choice of threads and flanges, and feature a visible heart-beat LED which flashes continuously to give perpetual indication of state, and constant confirmation that the sensor is operational. "Warnings of a fault within the sensor or its circuitry are indicated by a change in flash rate," explains John Stewart, Product Manager, Mobrey Measurement division of Emerson. "An LED off state indicates a power supply or similar fault. Also incorporated into the design is a magnetic test point to allow quick checking of the switch and associated system."
Suitable for any liquid with a specific gravity less than 2.0 (approx 2000 kg/m3) and a viscosity up to 10000 centiPoise, the Mobrey sensor can operate in temperatures up to 150°C, and in pressures between vacuum and 100 bar. The forks themselves extend only 50mm to allow easy installation into a tank or a pipe. Squing 2 is available as an intrinsically safe option, has no moving parts, and requires no maintenance.
Emerson's range of Squing level sensors include a robust plastic housing sealed to IP66/IP67; an explosion-proof/flameproof approved aluminium housing; the compact Mini Squing which features all of benefits of the Squing 2 in a compact low cost package; and the Squing TD series water ingress level detector which meets the International Maritime Organisation SOLAS Regulation XII/12 for bulk cargo carriers.
The new level sensor options add to the breadth of Mobrey level instrumentation that features reliability and best fit for applications, contributing to the greater than 2 percent operations improvement made possible by PlantWeb® digital architecture from Emerson.
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