AIRFLOW MKII

Fixed point anemometer for tunnel

The AIRFLOW MkII is a robust, single point monitor designed to measure air velocity (and temperature when specified) within a tunnel environment.

Features

Proven measurement technique
Proven short path ultrasound measurement technique using time of flight differential
Durability
No moving parts, wear items or other components that require routine replacement
Device
Self-contained single component instrument
Temperature measurement
Optional pre-calibrated temperature measurement
Intelligent analyser
Intelligent analyser with a range of industry standard outputs
Warranty
24 month warranty - optional warranty extensions available

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AIRFLOW MKII

Using proven, ultrasound time of flight technology ensures the AIRFLOW MkII provides consistent and accurate measurements. The data provided by the AIRFLOW-MkII can be used as part of an air quality management system within a tunnel or other confined spaces including rail and cable tunnels and mining applications.

The AIRFLOW-MkII has no moving parts and no regular service requirements, making it a truly fit and forget monitor. With industry standard SCADA / PLC interface options, such as Current Outputs, Digital Relays and RS485 (Modbus RTU) the AIRFLOW-MkII is a self-contained, intelligent, tunnel airflow monitor.

Benefits

  • Plug and socket connectors simplify the installation and reduce the amount of wiring required
  • Easy to install with no alignment or interconnection required
  • Provides accurate readings which are unaffected by temperature, pressure or humidity
  • Long service intervals with no drift and low maintenance requirements
  • IP67 rated and designed specifically for use in harsh tunnel environments

Airflow illustration

Applications

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How works the Airflow MKII?

The AIRFLOW tunnel monitor uses proven ultrasonic transit time technology to deliver a eliable measurement of air speed and direction in tunnels. It is a dual axis monitor that can measure air speeds of up to 60m/s with a resolution of 0.01m/s.

Having been designed specifically for tunnel environment, the AIRFLOW monitor is of rugged construction using powder coated stainless steel and UL rated flame retardant polycarbonate to achieve an IP67 / NEMA 6P protection rating. This instrument can withstand the corrosive atmosphere and regular tunnel washing that the tunnel environment endures.

The AIRFLOW monitor is a self-contained intelligent analyser with on-board industry standard SCADA/PLC interface options, such as 0/2/4-20 mA outputs, alarm relay contacts and a choice of serial communications protocols. As such the AIRFLOW has no need for a control unit although one is available as an option. As a standalone instrument the AIRFLOW is be set-up and controlled using the utility software supplied, installed on a PC or laptop and connected via the USB connector.

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