Riken Keiki RX-8000 Portable Gas Monitor

Riken Keiki RX-8000 Portable Gas Monitor

The Riken Keiki RX-8000 Portable Gas Monitor is an indispensable tool for ensuring safety in various industries, particularly in marine applications. With its cutting-edge features and robust construction, it sets a new benchmark for portable gas detection devices. Equipped with a suction-type sampling method, the RX-8000 utilizes advanced detection principles including the Non-Dispersive Infrared Method and Membrane Type Galvanic Cell Method. This enables simultaneous detection and display of combustible gases such as CH4 and i-C4H10, as well as oxygen levels, with precision and reliability. One of its standout features is its continuous operating time of over 10 hours, ensuring uninterrupted monitoring even in demanding environments. The instrument boasts an array of alarm options including lamp blinking, buzzer, and detailed display, providing timely warnings in case of gas leaks or hazardous conditions.

Built to withstand harsh conditions, the Riken Keiki RX-8000 is explosion-proof and IP67 rated for water and dust resistance. Its compact and lightweight design, coupled with features like an ergonomic wrist strap for hands-free operation, make it highly portable and convenient to use. Approved by leading certifications such as ATEX, IECEx, and MED, the RX-8000 meets stringent industry standards for safety and reliability. With its real-time detection capabilities, large display, and durable construction, it is the go-to solution for ensuring the well-being of workers and property in diverse gas detection applications, particularly in the challenging marine industry.


  • Simultaneous detection and display of combustible gas and oxygen
  • Continuous operating time of more than 10 hours
  • Sampling method: Suction type
  • Detection principles: Non-Dispersive Infrared Method, Membrane Type Galvanic Cell Method
  • Detection range: 0 to 100.0% LEL / 0 to 100.0 vol% (HC/CH4), 0 to 40.0 vol% O2
  • Display of alarm: Lamp blinking, buzzer, detail display
  • Explosion protected construction: Intrinsic safety, IECEx, ATEX ratings
  • Ingress protection rating: IP67
  • Approvals: Japan Ex, ATEX, IECEx, Brazil Ex, MED, JG, CE marking
  • Power source: Lithium-ion battery unit or Dry battery unit (AA alkaline battery 3pcs.)
  • Continuous operation: Approx. 15 hours (Lithium-ion battery unit), Approx. 10 hours (Dry battery unit)
  • Dimensions: Approx. 154 (W) × 81 (H) × 127 (D) mm
  • Weight: Approx. 1.1 kg (Lithium-ion battery unit), Approx. 1.0 kg (Dry battery unit)
  • Operating temperature range: -20 to 50°C
  • Operating humidity range: 0 to 95% RH (no condensing)
  • Target gases: CH4, i-C4H10, O2

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Riken Keiki RX-8000 Portable Gas Monitor