Moog LIFEGUARD ULTRASONIC AIR BUBBLE DETECTOR BROCHURE
LifeGuard™ Ultrasonic Air Bubble Detector
Channel Size:
Nominal Tubing
Size*:
Air Detection
Threshold:
Mounting: Footprint Size: Hole Spacing:
LifeGuard 100
Order No: 28678-001
.100”
(2.5 mm)
.125”
(3.2 mm)
> 10 microliter Any orientation
1.25” x .5”
(31.8 mm x 12.7 mm)
1.00”
(25.4 mm)
LifeGuard 130
Order No: 28679-001
.130”
(3.3 mm)
.155”
(3.9 mm)
> 20 microliter Any orientation
1.25” x .5”
(31.8 mm x 12.7 mm)
1.00”
(25.4 mm)
LifeGuard 200
Order No: 28680-001
.200”
(5.1 mm)
.250”
(6.4 mm)
> 40 microliter Any orientation
1.25” x .5”
(31.8 mm x 12.7 mm)
1.00”
(25.4 mm)
Factory Adjustable Air
Bubble Detector
.080” - .400”
(2.0 mm - 10.2 mm)
.100” - .450”
(2.5 mm - 11.4 mm)
Variable, depending on
configuration
Any orientation Variable Variable
Custom-Built Air
Bubble Detector
Specifications are custom designed to meet customer’s specific project requirements.
Extremely accurate and non-invasive ultrasonic air-in-line sensors that integrate
application flexibility with proven, reliable performance.
LifeGuard ultrasonic air bubble detectors feature proprietary swept
frequency technology, making these sensors more reliable and
accurate than those utilizing fixed frequency or pulse-type circuitry.
LifeGuard air-in-line sensors offer the most flexibility in air bubble
sensor sizes, with three standard configurations for common
tubing sizes and a factory adjustable Universal Air Bubble Detector
for use with any tubing diameter from .100” to .450” (2.5 mm to
11.4 mm). All LifeGuard electronics are integrated into the sensor
housing, ready to interface with the user’s system.
Top view of LifeGuard Air Bubble Detector
showing 1) air bubble detector housing,
2) tubing channel, and 3) mounting holes.
Bottom view of LifeGuard Air Bubble Detector
showing 1) air bubble detector housing,
2) integrated circuit, 3) mounting holes, and
4) power connector cable.
Features of all LifeGuard
Air Bubble Detectors:
4 Detectors maintain precise sensitivity without
calibration
4 Extremely reliable swept-frequency technology
prevents sensor performance from drifting with
temperature, age, or environmental conditions
4 Integrated self-test function provides 100% single
fault coverage
4 Dry-couples to PVC, silicone, and many other tubing
types with thick, thin, or reinforced walls
4 Sensor sensitivity can be changed at the factory with
minor PCB modification
4 Output pulse width is proportional to bubble size,
allowing user’s system to monitor sub-critical bubbles
4 Power: 5 volt, <50 mA
Moog recently published a white paper titled:
Reliability Analysis of Moog Ultrasonic Air Bubble
Detectors. This paper is available as a free
download at www.moog.com/medical/oem.
Moog Medical Devices Group
4314 Zevex Park Lane
Salt Lake City, UT 84123 USA
tf 800.970.2337
ph 801.264.1001
fx 801.264.1051
www.moog.com/medical/oem
Moog is a registered trademark of Moog, Inc.
All trademarks indicated herein are the property of Moog, Inc.
and/or its subsidiaries. © 2009 Moog, Inc. All rights reserved.
MD 41616-001 Rev. A
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