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www.usa.siemens.com/hvac
QBE Series Differential
Pressure Sensors
Proven in the toughest industrial environments; Performs with
rock-solid reliability in HVAC systems.
Answers for infrastructure.
Siemens QBE Series Liquid Differential Pressure Sensors
enable continuous remote monitoring of differential pressure
across a control valve or other device. Time-tested ceramic
technology makes these sensors an ideal choice across a
broad spectrum of HVAC applications.
Long-lasting performance
A rugged ceramic measuring element provides the data
needed t
o cr
eate accurate control. 4-20mA loop-powered
output is compatible with most control systems
and provides process variable data to a remote location
(e.g., controller, VFD, display, etc.). This saves time,
increases productivity, and minimizes downtime by
enabling continuous remote monitoring and control.
Key Benefits:
– Consistent accuracy across a wide range of temperatures.
No mec
hanical aging or drif
t – never needs field
recalibration
– Unique ceramic technology has been proven to provide
long-lasting reliability in tough applications
around the world
– Optional 3-Valve Manifold simplifies installation
and maintenance
– Includes mounting bracket for quick and problem-free
installation
– 4-20mA loop powered output is compatible with most
HVAC control systems