CTX 300 – Fixed Toxic Gas Detector


Teledyne Gas and Flame Detection


Chemical Industry, Gas Industriali e Medicali, Laboratory / Research, Semiconductor

Measured gas

Ammonia – NH3, Carbon Dioxide – CO2, Carbon Monoxide – CO, Chlorine – Cl2, Cycloheptatriene – C7H8, Ethanol – C2H6O, Hydrogen – H2, Hydrogen chloride – HCl, Hydrogen cyanide – HCN, Hydrogen Sulfide – H2S, Nitrogen Dioxide – NO2, Nitrogen oxide – NO, O2 – Oxigen, Ozone – O3, Sulphur Dioxide – SO2, Xylene – C8H10


Electrochemical, Infrared

  • Description


When hazardous levels of toxic gases or oxygen threaten the safety of an unclassified area, the CTX 300 detector can satisfy the most demanding safety requirements..

The CTX 300 can detect O2, CO2, toxic and refrigerant gases, with a wide range of available sensors (infrared, electrochemical, semiconductor) according to your application needs.More than 30 different sensors are available to detect most toxic gases in the industry.

Simple and reduced maintenance required

Sensor replacement does not require any special menu access. Just replace the sensor without even powering down the transmitter! As the only consumable element, the CTX 300 sensor is easily replaceable. New sensors come pre-calibrated from the factory. So, during the sensor ex-change, no calibration gas is required, nor adjustments to the detector, or remote central controller are required.

Clear readability

  • Highly sensitive, lighted display allows quick measurement reading
  • Indication of maintenance or fault function by LED


  • Use of polycarbonate and stainless steel mounting case
  • Resistant to corrosive agents


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