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Announcements

REINVENTING a new concept of transit time ultrasonic flow sensor

Challenge
Today‘s technical standards for flow sensors require
measurements to be performed non-invasively and
through a straight tube for easy cleaning, thereby
avoiding both pollution of the fluid and sensor damage.
Moreover, demanding flow metering and monitoring
applications require both a short response time and
high flow-measurement accuracy.
 
Innovation
This challenge in mind, DIGMESA AG developed an innovative
new measurement device for medium to high flow
rates of 0.05 to 20 l/min, respecting strict fluid purity and
flow metering requirements. DIGMESA has interpreted the
well known ultrasonic time of flight technology in a new
way and presents this with its new ultrasonic devices.
 
Applications
Thanks to its technology and its measurement concept, the
new Digmesa Laser Flow-Sensor is perfect suited for handling
high-purity liquids in the semiconductor or chemical
industries. The almost straight tube made out of certified
plastics makes the device also a perfect choice for the food
and beverage marked.
 
Key Features
The Digmesa ultrasonic approach impresses with an easy
cleanable, almost straight measurement tube. The tube is
out of one piece and therefore no dead ends are present
and particle deposits may be avoided.
Despite all these mechanical advantages the Digmesa AG
Ultrasonic devices have no restrictions in the measurement
properties: huge dynamic range (0.05-20l/min) is given
as well as excellent accuracy.
 
Technical data
Technology:                          Ultrasonic (time of flight)
Flow-Range:                          ~0.05-20 l/min
Accuracy:                              +/- 2%
Response time:                    ~50ms
Tube diameter:                    ½”
Material measurement tube: PFA (semiconductor version), PVDF, PBT
Measurable liquids:              adapted for all kind of liquids with no or low contamination
 

http://www.ultrasonic.ch/


Laser technology for measurement of liquid flow down to 0.5ml/min

*2009 Flow Control Innovation Award Nominee*
LASER FLOW SENSOR
 
Challenge
Today‘s technical standards for flow sensors require
measurements to be performed non-invasively and
through a straight tube for easy cleaning, thereby
avoiding both pollution of the fluid and sensor damage.
Moreover, demanding flow metering and monitoring
applications require both a short response time and
high flow-measurement accuracy, impossible to achieve
using existing sensors.
 
Innovation
This challenge in mind, DIGMESA AG developed an innovative
new measurement technology for low flow rates, 1
to 60 ml/min, respecting strict fluid purity and flow metering
requirements. DIGMESA has designed a totally noninvasive
and non-intrusive measurement concept involving
a laser beam crossing a straight glass tube through which
the fluid is flowing.
 
Applications
Thanks to its technology and its measurement
concept, the new Digmesa Laser
Flow-Sensor is perfect suited for handling
high-purity liquids in the semiconductor,
chemical or medical industries.
 
Key Features
The new liquid flowsensor technology, consists in a laser
oriented perpendicular to the media flowing through a
straight glass tube. The innovative, non-intrusive sensor
concept allows measurement of flow-rates in the 1-60ml/
min range with response times of ~50ms and accuracies
better than 1% FS.
 
Technical data
Technology:                          Digmesa’s patented Laser-Flow measurement technology
Flow-Range:                         ~1-60ml/min
Accuracy:                            < 1% FS
Response time:                     ~50ms
Inner tube diameter:              4mm
Material measurement tube:    borosilicate glass
Measurable liquids:               adapted to most clear water- and alcohol-based fluids

http://www.lasermeasureland.com/

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