tunnel monitoring Equipment in Guinea-Bissau

Serving Guinea-Bissau | Near Guinea-Bissau
23 Results found
  • Category: Air & Climate ×

  • Subcategory: Air Monitoring ×

  • Keyword: tunnel monitoring ×

  • Location: Africa ×

  • Location: Guinea-Bissau ×

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, ...

TunnelCraft - Model III - Visibilty Air Quality Monitor (AQM)

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The TunnelCraft III Visibility Air Quality Monitor (AQM) uses visible light channels to measure the visibility within a tunnel environment. The AQM consists of a transceiver that projects visible light to a reflector unit mounted 3m away. The reflected light is received by the transceiver and the specific absorption is measured to determine the ...

TunnelCraft - Model 4 - CO & Visibility 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 III - CO/NO/VIS Air Quality Monitor (AQM)

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The TunnelCraft III CO/NO/VIS Air Quality Monitor (AQM) uses both infrared light and visible light channels to measure carbon monoxide, nitric oxide 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 ...

TunnelCraft - Model III - CO/Visibility Air Quality Monitor (AQM)

by Codel International Ltd     based in Bakewell, UNITED KINGDOM

The TunnelCraft III 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 ...

ET TrafficBOx - AeroQual Ultra-Compact Air Quality Monitoring System

by Enviro Technology Services plc     based in Stroud, UNITED KINGDOM

ET Launches the new AeroQual TrafficBox ulta-compact air quality monitoring system. The TrafficBox is a small wall or lamp-post mounted complete air quality monitoring solution for the measurement of up to 6 compound and particulate matter. It is envisaged that the most popular configuration will be NO2 and PM10 particulate matter but other ...

FireGuard - Smoke Detector

by Sigrist-Photometer AG     based in Ennetbürgen, SWITZERLAND

The FireGuard measures the scattered light intensity in tunnels with scattering angle, measuring range, response threshold and signal processing being optimized for smoke and fire detection. Air sample is fed through the measuring cell without the use of a fan, effectively preventing from window soiling. Calibration is performed in E/m and can be ...

ACME - Model UN-ECH Series - Uniset Stand-Alone Gas Monitor

by Acme Engineering Prod. Ltd.     based in Montreal, QUEBEC (CANADA)

UNISET is a single-point stand-alone gas monitor for a number of toxic and flammable gases as well as oxygen deficiency. It utilizes state-of-the art sensor technology: electrochemical for toxic gases and oxygen; catalytic bead for combustibles. The UNISET has up to four SPDT relay outputs fully user-configurable to operate at different thresholds ...

ACME - Model TW-ECH - Twinset Stand-Alone Dual Gas Monitor

by Acme Engineering Prod. Ltd.     based in Montreal, QUEBEC (CANADA)

The TwinSet is a stand-alone dual-gas detection unit. In its standard configuration the TwinSet wil have (1) built-in CO sensor and (1) remote sensor that can be for any one of the three gases listed, namely, CO, NO2 or Combustible gas (CH4 C3H8). The TwinSet is a 'system-in-a-box' that provides dry contacts for the activation of fans, dampers and ...

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