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M310/FSM Rev AA 01/12
Functional Safety Manual
M310/FSM, Rev AA
January 2012
Horizontal Float Switch
© 2012 Mobrey Ltd. All rights reserved.
International:
Emerson Process Management
Mobrey Ltd.
158 Edinburgh Avenue
Slough, Berks, SL1 4UE, UK
T +44 (0)1753 756600
F +44 (0)1753 823589
www.mobrey.com
Americas:
Emerson Process Management
Rosemount Measurement
8200 Market Boulevard
Chanhassen, MN 55317 USA
T (U.S.) 1-800-999-9307
T (International) +1 952 906 8888
F +1 952 906 8889
Mobrey Level Solutions
Emerson provides a wide range of Mobrey products for level measurement applications.
POINT LEVEL DETECTION
Vibrating Fork Liquid Level Switches
For high and low alarms, overfill protection, pump control,
including wide pressure and temperature requirements, and
hygienic applications. Flexible mounting. Immune to changing
process conditions and suitable for most liquids.
• Mobrey Mini-Squing (Compact)
• Mobrey Squing 2 (Full-featured)
Ultrasonic Gap Sensor Liquid Level Switches
For use in non-hazardous industrial processes to detect high or
low liquid levels and liquid interface. Immune to changing
density, and wide dielectric and pH variations. Suitable for use in
most clean and non-aerated liquids, with options for sludges and
slurries.
Float and Displacer Liquid Level Switches
Mobrey electromechanical float and displacer level switches are
ideal for alarm and pump control duties, especially in critical
applications or hazardous areas.
• Mobrey Horizontal Level Switches
• Mobrey Vertical Level Switches
Chambers are available for external mounting of these level
switches on process vessels.
Dry Products Level Switches
For high and low level alarms. Including threaded mounting
connections, extended lengths, high temperature capability, and
multiple detection techniques. Suitable for a wide variety of
powders, granules, and free flowing solids with wide variations in
bulk densities.
• Mobrey VLS Series – Vibrating Rod Level Switch
• Mobrey PLS Series – Paddle Level Switch
CONTINUOUS MEASUREMENT
Ultrasonic Continuous Level Transmitters and Controllers
Top mounted, non-contacting for simple tank and open-air
process level measurements. Unaffected by fluid properties such
as density, viscosity, dirty coating, and corrosiveness. Intrinsically
Safe versions are available for operating in hazardous areas.
• Mobrey MSP Series Ultrasonic Level and Flow Transmitters
• Mobrey MCU900 Series Universal Controllers
Ultrasonic Sludge Density Blanket Monitoring and Control
Ultrasonic in-line pipe or tank mounted sensors for sludge density
measurement and control, and top mounted ultrasonic sensors for
continuous measurement of sludge blanket level in Industrial and
Municipal effluent treatment processes.
• Mobrey MSM400 – Sludge Density Monitor
• Mobrey MSL600 – Sludge Blanket Level Monitor
Displacer Continuous Level Measurement
Top mounted in a vessel or externally mounted in a vertical
chamber. For use in hazardous areas.
• Mobrey MLT100 – Displacer Level Transmitter
Hydrostatic Continuous Level Transmitter
For level measurements in non-pressurized tanks where in-tank
problems such as foaming, vapor layers, and temperature
gradients prohibit the use of other instrumentation.
• Mobrey 9700 Series hydrostatic electronic level transmitters
SPECIALIZED CONDUCTIVITY
Conductivity Water and Steam Interface Monitoring
Steam/water interface level gauges using specialized, high
performance conductivity probes in external columns and
manifolds, ideal for steam plants where reliable and redundant
indication of boiler water level and turbine protection is critical.
• Hydratect 2462 – Water/Steam detection Systems
• Hydrastep 2468 – Water/Steam Monitoring Systems
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mark and service mark of Emerson Electric Co.
Rosemount
is a registered trademark of Rosemount Inc.
Mobrey is a registered tradema
rk of Mobrey Ltd.
All other marks are the property of
their respective owners.
We reserve the right to modify or improve the designs or specifications of product and services at any time without notice.