tunnel monitoring Equipment in Rwanda

37 Results found
  • Category: Air & Climate ×

  • Subcategory: Air Monitoring ×

  • Keyword: tunnel monitoring ×

  • Location: Africa ×

  • Location: Rwanda ×

TunnelCraft - III - CO/NO/VIS Air Quality Monitor (AQM)

by Codel International Ltd

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

by Codel International Ltd

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 ...

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

by Codel International Ltd

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 ...

OSi - WSS-300-DS - Tunnel Wind Speed And Smoke Sensor

by Optical Scientific Inc. (OSi)

For drift-free air flow measurements across traffic tunnels; WSS-300-DS calculates true average speed of air movement, and detects smoke. The sensor is equipped with Automatic Gain Control (AGC) to compensate for  opacity variations caused by particulates, smoke, or suspended moisture. The WSS-300-DS uses patented optical scintillation ...

TunnelCraft - 4 - Air Flow Monitor (AFM)

by Codel International Ltd

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 - III - Air Flow Monitor

by Codel International Ltd

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, ...

Land - 4200 - Non-Compliance Dust Emissions Monitor

by Land Instruments International

The Model 4200 is a compact smoke, dust and particulate monitor for measuring dust emission concentrations on industrial processes and non-compliance applications. This dust monitor is ideally suited to multiprocess plants with common exhaust stacks.

OSI - OFS-2000 - Optical Flow Sensor (OFS)

by Optical Scientific Inc. (OSi)

OSi's patented Optical Flow Sensor (OFS) makes drift-free measurements across the entire stack, duct or pipe diameter and calculates an accurate average flow reading. It is the only flow sensor that gives a true non-contacting cross-stack flow measurement of the process. The OFS uses our EPA Method 14 approved optical scintillation technology. The ...

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

by Acme Engineering Prod. Ltd.

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

by Acme Engineering Prod. Ltd.

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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