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T4-HOCA T4 Portable Multi-Gas Detector with Hydrogen-Resistant CO Sensor

T4-HOCA Crowcon United Kingdom Sales

The Crowcon T4-HOCA is a robust portable multi-gas detector designed to monitor four common gas hazards: hydrogen sulphide (H₂S), oxygen (O₂), carbon monoxide (CO) with a hydrogen-resistant sensor, and flammable gases such as methane (CH₄). It features an intuitive single-button operation, making it user-friendly even when wearing gloves. The device offers a long battery life of up to 18 hours, ensuring continuous protection throughout extended work shifts. With ingress protection ratings of IP65 and IP67, the T4-HOCA is suitable for use in harsh environments, providing resistance against dust and water ingress. Certified under ATEX, IECEx, and UL standards, it meets international safety requirements for operation in hazardous locations. For detailed technical specifications, please refer to the manufacturer's datasheet.

T4-HOCA T4 Portable Multi-Gas Detector with Hydrogen-Resistant CO Sensor
ProductT4-HOCA
BrandCrowcon
SupplierRADWARD LTD
CountryUnited Kingdom
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Technical Specification

  • Model: T4-HOCA
  • Manufacturer: Crowcon
  • Type: Portable Multi-Gas Detector
  • Detected Gases: Hydrogen Sulphide (H₂S), Oxygen (O₂), Carbon Monoxide (CO) with hydrogen-resistant sensor, Flammable gases (e.g., Methane - CH₄)
  • Detection Range: H₂S: 0-100 ppm; O₂: 0-30% vol.; CO: 0-1000 ppm; Flammable gases: 0-100% LEL
  • Sensor Type: Electrochemical (for toxic gases and oxygen), Pellistor (for flammable gases)
  • Battery Life: Up to 18 hours
  • Ingress Protection: IP65/IP67
  • Certifications: ATEX II 2 G Ex db ia IIC T4 Gb, IECEx Ex db ia IIC T4 Gb, UL Class 1 Div 1 Groups A, B, C, D