For precise airflow monitoring and control

Airflow Measurement Products

VorTek Airflow Control Products

Accurate, Innovative Airflow Measurement Products

Our airflow measurement products are designed for precise airflow measurement, monitoring and control. Using direct input to the building automation system (BAS) provides accurate airflow measurement for many types of applications including outside air, duct, fan inlet and fan array. The VorTekG3, AccuStation and IAQ products are designed for ease of application and ease of use.

VorTekG3 Airflow Measurement

The VorTekG3 provides superior innovative airflow measurement technology for duct, fan inlet and fan array that is designed for ease of application, installation and use. It is the only digital airflow sensing on the HVAC market and the only linear airflow measurement technology available. The VorTekG3 incorporates a modular design concept, BACnet option and the free award winning Accutrol Intuitive Graphical User Interface software.

VorTek Airflow Control Products

Velocity measurement is accomplished by the unique, patented, VorTek sensors. VorTek sensors utilize proven vortex shedding phenomena to measure the true airflow velocity independent of changes in temperature, density, and humidity which affect Pitot and thermal airflow measurement systems.

AVC6000 Cage Rack Valve-Product-Sheet
  • Digital Airflow Sensing
  • Modular Design
  • Stable, Drift Free
  • Resistant to Contamination
  • Not Affected by Humidity
  • Not Affected by Temperature
  • Not Affected by Altitude
  • Linear Over Entire Range
  • Low Power Requirements
  • Universal Voltage and Current Output
  • Native BACnet® MS/TP Optional
  • Intuitive graphical user interface using our Insight software
AVC6000 Cage Rack Valve-Product-Sheet
AVC6000 Cage Rack Valve-Product-Sheet
AVC6000 Cage Rack Valve-Product-Sheet

Answers to Your VorTekG3 Airflow Measurement Questions

Does the Accutrol VorTekG3 product line directly measure airflow?

Yes. The VorTekG3 airflow measuring device utilizes vortex shedding technology. By utilizing vortex shedding technology, the shedder mounted in the air stream creates pressure pulses, which are converted to an electronic frequency. This electronic frequency is directly proportional to the airflow velocity and remains linear. That is why the VorTekG3 can maintain high accuracy over a very large range.

How does Digital Airflow Sensing differ from other technologies?

One of the many advantages of vortex shedding is that the sensing is not amplitude based and cannot drift over time. Therefore, no recalibration is required – ever. Other airflow sensors rely on an amplitude measurement device, which is susceptible to inaccuracies and drift. Pitot and orifice sensors rely on differential pressure transmitters, which require periodic calibration. Thermal airflow sensors use thermistors, which will drift over time and must be matched to the electronics.

The VorTekG3 is the only airflow measurement technology that is linear. The inherent physics of vortex shedding is a linear relationship between frequency and air velocity. That means that as air velocity changes, the frequency of the pulses changes in a linear manner. This eliminates the need for complicated curve matching associated with thermal devices.

What is the benefit of modular design?

The VorTekG3 incorporates a unique, modular design concept. This enables you to order only the functions that are required for a specific application, eliminating the need to pay for features that are not required. Instead of multiple electronics platforms for different applications or “series” of models, the VorTekG3 simplifies user selection by utilizing a single electronics platform that can be used from a base of one sensing point up to sixteen sensing points. Any unit can be easily changed in the field to add sensors or reconfigure the range using the free Accutrol Insight graphical software.

Is the Accutrol VorTekG3 contamination resistant?

Yes. Vortex sensors are contamination resistant since the sensing ports are on the downstream side of the sensor. This puts them out of the path of contaminants, so the “sensing side” of the device remains clean. Other airflow measurement technologies, such as thermal dispersion, are severely affected by contaminants in the air stream. As a thermistor gets coated with dust or dirt, the thermal transfer is impacted, seriously affecting the accuracy of the device.

Does the VorTekG3 product line offer BACnet MS/TP as an option?

Yes. BACnet MS/TP can be ordered as an option. This option can be provided at time of order or added in the field at a later date.

Can you interface to the VorTekG3 with Accutrol's award‐winning Insight graphical interface software?

Yes. The innovative design of the VorTekG3 incorporates the use of the free Accutrol Insight graphical user software. Gone is the frustration of older style alphanumeric displays and pushbuttons with a large decision tree user manual. The Insight software provides simple intuitive access to the configuration of the transmitter for different applications. The software connects to the VorTekG3 through a standard USB connection providing quick and easy access for the following:

BAS – Allows simple field changes to the transmitter range, duct area.

Commissioning – Allows simple adjustment for unusual airflow profiles due to duct conditions.

Owner – Can make changes to ranges, number of sensors, etc. as the system requirements change.

Can the transmitter be configured in either Imperial or Metric units for velocity, volume and area of measurement, and will it carry through to BACnet when required?

Yes.

AccuStation VTS
AVC6000 Cage Rack Valve-Product-Sheet

AccuStation VTS Duct Airflow Measurement Station

The Accutrol AccuStation model VTS provides superior innovative duct airflow measurement technology designed for ease of application, installation and use. It is ideal for use when standard airflow sensing is difficult to apply or for smaller ducted AHUs for measuring outside air. The VTS is a very low pressure drop device, does not require additional straight runs either before or after the station, and can be mounted at any angle.

The AccuStation VTS also incorporates a BACnet option and the free award winning Accutrol Intuitive Graphical User Interface software.

  • Digital Airflow Sensing
  • Stable, Drift Free
  • Resistant to Contamination
  • Not Affected by Humidity
  • Not Affected by Temperature
  • Not Affected by Altitude
  • Linear Over Entire Range
  • Low Power Requirements
  • Universal Voltage and Current Output
  • Native BACnet® MS/TP Optional
  • Intuitive graphical user interface using our Insight software

IAQ-Tek Outdoor Air Volume Measurement System

The IAQ-Tek Outdoor Air Volume Measuring System simplifies outdoor air measurement at the entrance to fan systems by incorporating a measurement probe designed specifically for the low velocities and high turbulence associated with outdoor air intakes. The IAQ-Tek includes an 80 character display and keypad with three series of preprogrammed instructions to lead setup per-sons through the proper routine.

  • Simple Installation
  • Operates over –40° to 120° F
  • Resistant to contamination
  • Setup Wizard
IAQ-Tek Indoor Air Quality Monitor Sensor
AVC6000 Cage Rack Valve-Product-Sheet
Insight Software Display

Accutrol’s Award-winning Insight Software

All AccuValve models incorporate a simple and intuitive graphical user interface, which enables the user to configure the valve for their specific requirements. Accutrol's Insight software, provided free of charge, insures that the owner is not required to contact the manufacturer of the airflow control system when changes are required in the field.