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High Beta<sup>®</sup> gas flow measurement system is ideal for either new or retrofit industrial applications


High Beta®

As referenced within the ASME, ANSI, AMCA, and/or ASHRAE Standards, in rectangular ducts, acceptable profiling is usually accomplished with 10 straight duct runs after an obstruction (damper, elbow, transition, etc.). In circular ducts, turbulent or reverse flow may likewise be eliminated with similar straight duct runs, but cyclonic flow may remain for as many as 30 straight duct runs as there is little resistance to remove such energy.
Watch a video of the High Beta<sup>®</sup> airflow measurment system in action.
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Gas flow measurement is most accurate when the flow has no turbulent, reverse, and or cyclonic flow patterns and is evenly profiled across the duct at the measurement point. The High Beta® Flow Element is ideal for either new or retrofit industrial applications where insufficient straight duct runs are present and/or accuracy is required. The High Beta® is designed for installations with relatively no straight duct run upstream and/or downstream and eliminates cyclonic, turbulent, and reverse flow at the point of measurement. There are many different variations of the High Beta® to include specific product features for the pharmaceutical, industrial, and power-generating industries.

The High Beta® consists of a flanged 304 stainless steel duct section that can be inserted into either round or rectangular ducts. Within the High Beta® is housed an array of VAP3® pitots. The VAP3® provides an accurate differential pressure output, allowing for precise airflow measurement or control of your processes. The High Beta® is available with VAP3®/SA or VAP3®/PA pitots, for standard air applications or heavy particulate laden applications, respectively. The High Beta® is erosion resistant and can handle process temperatures from -40° to 700° F. Ideally designed for industrial process applications, the High Beta® is suitable for a multitude of process environments where little or no straight duct runs are available and high accuracy is required for measurement and control.

High Beta® Engineered

The High Beta® Engineered Flow Element is ideal for power plant installations. Eastern Instruments engineers review and evaluate the customer's existing ductwork, making recommendations using CFD Modeling. The High Beta® Fow Element is an Engineered-to-Order solution to gas flow measurement problems.

High Beta® for Pharmaceutical Applications

The High Beta® Pharmaceutical (HBP) is ideal for pharmaceutical applications where a high level of accuracy is crucial. The High Beta® Pharmaceutical is available in medium pressure with a 30 psig (2 bar) rating and shock pressure with a 150 psig (12 bar) rating. The HBP® is constructed of 304 stainless steel and has flange options, which are determined from the pressure rating and material thickness. Gasket options are also available.

Duct Section for Pharmaceutical Applications

The DSP™ is ideal for pharmaceutical applications were accuracy is crucial. The DSP™ is available in medium pressure with a 30 psig (2 bar) rating and shock pressure with a 150 psig (12 bar) rating. The DSP™ is constructed of 304 stainless steel and has flange options, which are determined from the pressure rating and material thickness. Gasket options are also available.

For more information on this product, go to its Technical Information and Specifications pages.



Electronics:

Differential Pressure System - DPS

High Beta gas flow measurment electronics.The Differential Pressure System (DPS), when coupled to the VAP3® Series Pitot, is used to deliver accurate, reliable mass flow measurement for industrial applications. The microprocessor-based flow transmitter with optional controller output consists of a differential pressure transmitter and flow processor. The system transmits an analog output signal that is proportional to flow. The processor enables the DPS to take a temperature and/or a duct static pressure input signal, providing a density-compensated output signal in a wide range of flow units. With the fast scan time of the DPS and a selectable moving average of the display and output variables, the DPS can deliver a reliable, accurate signal, converting the fast response of the VAP3® Series Pitot to the digital control systems of today.

The DPS can be used in conjunction with a Line Mounted Purge Block (see additional information below).

Differential Pressure Unit - DPU

The Differential Pressure Unit (DPU), when coupled to the VAP3® Series Pitot, is used to deliver accurate, dependable flow measurement in industrial applications. The Pressure and Flow Transmitter Display Unit consists of a differential pressure transmitter and display. The DPU transmits an analog output signal that is proportional to the pressure or flow, utilizing the integrated square root extractor. Optionally, the output can be set using an 11-point calibration.
The DPU can be used in conjunction with a Line Mounted Purge Block (see additional information below).

Differential Pressure Gauge - DPG

The Differential Pressure Gauge (DPG), when coupled to the VAP3® Series Pitot, is used to deliver a reliable flow measurement for industrial applications. The Pressure and Flow Display consists of a differential pressure gauge manifolded within an industrial enclosure. It can be configured to display differential pressure in inches of H2O, as well as flow rate in customer defined units. The unit is accurate to within +/- 2% and is suited for clean, dry, non-corrosive air. It is rated for internal pressures from 10 to 10 psig (-68.6 to 68.6 kPa) and temperatures from 20° to 140° F (-6.67 to 60° C). When just a differential pressure display is needed, the DPG is the ideal solution.

For more information on this product, go to its Technical Information and Specifications pages.



Other Options:

Remote Temperature Sensor

The Remote Temperature Sensor (RTS) is a temperature-measuring device that can be remotely mounted to a duct or pipe via a half coupling. It is the perfect alternative when an integrated temperature option cannot be used with a VAP3® Series Probe or when a HBS or HBE is installed. When used with a DPS flow transmitter, the RTS can provide the temperature input when temperature and pressure correction are required.

Line Mounted Purge Block (LMPB)

Line Mounted Purge Block (LMPB), utilizes line pressure to creat flow volume purge to probes, with timer to purge impulse lines to probes on a periodic basis. Eastern Instruments does not recommend the use of High Pressure Auot-Purge. This system would provide a low volume purge to probes and is recommended to be used continuously rather than on a periodic basis. The LMPB assists in preventing contamination of the transmitter and impulse lines by condensate, dust particles, and/or corrosive gases.
For more information on this product, go to its Technical Information and Specifications pages.





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