Tunnel Monitoring Equipment

75 Results found
  • Category: Monitoring & Testing ×

  • Subcategory: Tunnel Monitoring ×

DURAG - Model D-R 220T - Visibility Monitor System

by DURAG GmbH     based in Hamburg, GERMANY

Visibility Monitor for road tunnels using optical transmission principle. Sensor for ventilation control system or fire alarm system. Reliable measurement parallel to the tunnel axis.

DURAG - Model D-FL 220T - Ultrasonic Flow Velocity Monitor System

by DURAG GmbH     based in Hamburg, GERMANY

Measuring system for continuous evaluation of flow velocity and flow direction in tunnels. Ultrasonic sensors for tunnel ventilation control system. Reliable measurement across the tunnel profile. Two identical sensors alternately transmit and receive ultrasonic pulses. The system evaluates the transition times dependant on direction and ...

JES - Model LWA-LC - Illuminance Photometer

by JES Elektrotechnik GmbH     based in Hallein, AUSTRIA

Stationary sensor to measure the illuminance. Analogue output 4 - 20 mA corresponding to 0 - xx lx (xx stands for the end of the measuring range that needs to be specified when ordering). Operating voltage 24 VDC. Optionally also available in a heated housing (IP65) with dimensions 300 x 250 x 140 mm (requires 230 VAC supply for heating). Output ...

JES - Model LWA - Luminance Photometer

by JES Elektrotechnik GmbH     based in Hallein, AUSTRIA

We offer two choices for the housing of our JES LWA luminance photometer: Polycarbonate MAKROTECH® UV housing (default). MAKROTECH® UV. MAKROTECH® UV is delivered as an opaque polycarbonate sheet that is late thermoformed into the housing's shape. The housing is UV resistant, heated and has a sunscreen above the lens window.

Tunnel Composting

by Ecomaster Atzwanger S.p.A     based in S. Maria la Longa, ITALY

One of the most advanced processes developed by Ecomaster is tunnel composting. Tunnels consist of large enclosed reactors, made of reinforced concrete, with floors equipped with integrated aeration systems. This technology allows better control of the biological process, which is monitored by sensors transmitting the various process variables to ...

Tunnel Monitors - Road Tunnel Atmosphere Monitoring

by EMACCS Ltd     based in Redhill, UNITED KINGDOM

Emaccs are UK Distributors for Tunnel Sensors Ltd and supply and install their range of CO, NO, Visibility and Flow monitors.We offer:Service and maintenance of tunnel atmosphere monitoring systemsComprehensive service contractsEmergency call-outsSourcing and installing new systemsSystems integrationData handling systems

Sigrist - Dust Monitors

by Peak Process Controls, Inc.     based in Newmarket, ONTARIO (CANADA)

Sigrist dust monitors have been applied for over 30 years for measuring dust concentration in production processes or in the ambient air to ensure good working conditions and minimize air pollution. The Sigrist StackGuard continuous emissions monitor for particulate matter (PM CEMS) is an extractive type instrument that can measure extremely low ...

TunnelCraft - Model 4 - CO/VIS Air Quality Monitor (AQM)

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The TunnelCraft 4 CO/VIS Air Quality Monitor (AQM) uses infrared light and visible light to measure carbon monoxide and visibility in a single compact instrument. The AQM consists of a transceiver that projects infrared beams to a reflector unit mounted 3m away. The reflected light is received by the transceiver and the specific absorption is ...

TunnelCraft - Model 4 - Air Flow Monitor (AFM)

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The Air Flow Monitor (AFM) uses ultrasonic technology to measure air velocity. A single transmitter and an array of four receivers are contained in the measuring head. Air velocity and direction are calculated from measurements of the phase shifts from the ultrasonic signals at the receivers. The sensor is compact, contains no moving components, ...

TunnelCraft - Model III - Air Flow Monitor

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The Air Flow Monitor (AFM) uses ultrasonic technology to measure air velocity. A single transmitter and an array of four receivers are contained in the measuring head. Air velocity and direction are calculated from measurements of the phase shifts from the ultrasonic signals at the receivers. The sensor is compact, contains no moving components, ...

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