CODEL's industry proven tunnel air flow monitor.

TunnelTech 301: 12-24v AFM
TunnelTech 302: 12-24v SS AFM
TunnelTech 303: 12v AFM with temp & mA
TunnelTech 304: 24v AFM with temp & mA
TunnelTech 305: 24v SS AFM with temp

Tunnel ventilation systems are designed to enable a sufficient throughput of air to be maintained to ensure a safe operating environment for users. These systems consume large amounts of power and need to be operated as efficiently as possible. To do this it is necessary to know the effectiveness of the system in terms of air flow and direction developed within the tunnel.

Three decades of development, knowledge and practical experience have been utilised to produce the advanced TunnelTech 301 air flow sensor that combines the reliability of ultrasonic technology and delivers superb accuracy and reliability at a very competitive price.

• Single point ultrasonic measurement technology.
• Unaffected by traffic flow and sound reflections.
• No moving components providing maintenance free operation.
• Designed to withstand the harshest of tunnel environments.
• Measurement precision of +/- 0.2m/sec.

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