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Types of Flowmeters |
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Laminar Mass Flow Meter |
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Laminar
Mass Flow Meter - Alicat flow measurement
devices determine the flow rate by accurately
measuring the differential pressure in an established
laminar flow region passing through a fixed area.
This time tested method of flow measurement offers
several advantages over most thermal flow measurement
devices including shorter response times and greater
sensitivity for lower flow rates.
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| Featured
Laminar Mass Flowmeter Suppliers |
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Alicat
Scientific, Inc. is a leading manufacturer
of mass flow instrumentation. Using patented laminar
flow technology along with onboard temperature,
absolute pressure and differential pressure Alicat
instrumentation is able to make accurate real
time mass flow measurement with no software corrected
response times of less than 10ms. Alicat has been
setting the standard for mass flow instrumentation
for over a decade with features such as a built
in display, push-button and multi-drop RS-232
control, user selectable 14 gas operation and
unmatched factory support Alicat has become the
first name in mass flow and pressure instrumentation.
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The FCO96 Laminar Flow Meters
A series of Laminar Flow Elements (LFE's) for volume
flow measurement of air or gases or ranges from 0.1ml/min
to 10,000 litres/min. Flow measurements are often made
by orifice plate, venturi or nozzle, where the differential
pressure generated is related to flow through a square
law. The FCO96 Laminar Flow Elements have a linear low
relationship between differential pressure. More>> |
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LAMINAR MASS FLOW CONTROLLER
The maximum flow through the sensor is limited to a
small proportion of the total flow of the mass flow
controller. Therefore, a bypass element is used to divide
the flow into two paths by creating a pressure drop
that increases linearly with flow. The gas through the
sensor tube is designed to have a small Reynold's number
in the laminar regime. More>> |
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MASS and VOLUMETRIC Gas Flow meters
The "NON-THERMAL" M series Mass Gas Flowmeters
use discrete Absolute Pressure, Differential Pressure,
and Temperature sensor measurements within the laminar
flow region to determine mass flow.The embedded microprocessor
provides a software-based STP calculation compensated
for pressure and temperature to standard conditions
(1 atmosphere 25º Celsius). More>> |
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| Featured
Laminar Mass Flowmeter Products |
| Alicat Scientific M
Series Laminar Mass Flow Meter Products |
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- Multiple measurements in one device
- Tunable for application specific response
- Multiple digital & analog I/O
- 100:1 Turndown ratio
- 14-Gas Select on all units
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| Alicat Scientific TM M Series Laminar Mass
Flow Meter products use discrete differential pressure,
absolute pressure, and temperature sensor measurements
within the laminar flow region to determine mass flow.
The embedded microprocessor provides a software-based
STP calculation that automatically compensates for changes
in process temperature and pressure. Affordable, linear
and accurate, each mass flow meter or volumetric flow
meter can be equipped with multiple analog outputs such
as mass flow and temperature or absolute pressure. The
response time of 10 milliseconds addresses the limitations
of thermal mass flow technology, plus, there is no "Hot
Wire" drift.
Alicat Scientific TM V Series Laminar Volumetric Flow
Meter products are ideal for applications venting to
atmosphere or with little to no backpressure. The V
Series meters do not include absolute pressure or discrete
temperature sensors and are designed to be an affordable
alternative to the mass flow meter devices. They too
have the advantage over thermal devices with extremely
fast response time and no thermal drift.
Alicat Scientific mass flow meters are used in a variety
of processes from leak detection to flow monitoring.
Alicat mass flow meters have a small footprint and are
very easy to use. Alicat mass flow meters also have
a totalizing option that can be added to give show the
total amount of media that has been flowed throught
the device. If your process already has mass flow meters
or mass flow controllers the Alicat mass flow meter
can be coupled with a battery pack to make a true stand-alone
hand-held portable testing device.
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Flowmeters Related products |
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References |
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