Brochure

Siemens QBE Series Liquid Differential Pressure Sensors are
available in a variety of differential pressure ranges. They are
compatible with most devices or systems capable of
powering and processing a 4 to 20 mA output signal. Typical
applications include HVAC systems where continuous
monitoring of differential pressure across a control valve or
other device is required.
Key Features:
– 4-20mA loop powered output
– Wide 7.5V t
o 33 Vdc in
put voltage tolerance
– No span or offset adjustment required
– Very low temperature sensitivity
– Compatible with 0-100% water/glycol mix (40˚ to 185˚F)
– Rugged weather- and moisture-resistant enclosure
– Optional 3-Valve Manifold
Sophisticated technology
The sensor’s ceramic measure element has been time-tested
in thousands of inst
allations w
orldwide in a variety of
applications, such as energy management systems,
process control systems, flow measurement of various
liquids, or pressure drop across filters.
– Premium technology at a competitive price
– Unique ceramic technology adeptly handles a variety
of applications
– Proven performance in the toughest industrial
environments around the world
Precise, consistent control
Gain consistency across a wide range of temperatures and
dif
f
erential pressure ranges.
– Select from a variety of differential pressure ranges:
0 to 25, 0 to 50, or 0 to 100 psi differential
– Wide input voltage tolerance (7.5 – 33 VDC)
– Compatible with 0-100% water/glycol mix (40˚ to 185˚F)
– 4-20mA loop powered output is compatible with most
control systems
Optional 3-valve manifold
The manifold allows process fluid to bypass the sensor ports.
This allo
ws f
or removal and inspection of the sensor without
draining the system. Manifold-sensor assembly is completely
assembled and factory tested for quick and leak-free
installation.
Fast, simple installation
All models include a mounting bracket for quick and simple
inst
allation with no span or of
fset adjustment required.
Speedy installations and simplified maintenance help
contribute to a lower cost of ownership.
– Process connections are ¼” FNPT and conduit connection is
½” NPT with cable gland and retaining nut for installations
that do not use conduit.
– Sensors mount in any position without impacting accuracy
(Units with manifold should be mounted such that
manifold valves are accessible).
Productivity booster
Built for long-lasting performance, these sensors never need
r
e-calibration. Their ability t
o enable continuous remote
monitoring helps technicians quickly diagnose and modify
systems to prevent or avoid downtime.
For more information, or to place on order, contact your
Siemens Account Executive today.
Siemens Industry, Inc.
1000 Deerfi eld Parkway
Buffalo Grove, IL 60089
USA
Tel [phone]
All rights reserved. Printed in USA #671-1814P10
©2012 Siemens Industry, Inc.
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