The Riken Keiki GX-3R is an ultra-compact portable multi-gas detector designed for personal safety in marine and industrial environments. Lightweight, durable, and easy to use, it provides reliable monitoring of up to four gases, making it ideal for everyday onboard operations.
Riken Keiki
The Riken Keiki GX-3R is a compact and lightweight portable multi-gas detector developed for reliable personal gas monitoring in marine, offshore, and industrial environments. Designed to detect up to four gases simultaneously—including combustible gases (LEL), oxygen (O₂), carbon monoxide (CO), and hydrogen sulfide (H₂S)—it ensures maximum safety for personnel working in hazardous areas.
With its robust construction and IP66/IP68 rating, the GX-3R is built to withstand harsh conditions while maintaining high accuracy and fast response times. The intuitive interface, clear display, and multiple alarm functions—including visual, audible, and vibration alerts—provide immediate warnings in critical situations.
Thanks to its ultra-compact design and low weight, the GX-3R is comfortable to wear throughout long shifts, making it the ideal solution for continuous personal monitoring. Combined with long battery life and minimal maintenance requirements, it delivers dependable performance and operational efficiency wherever safety matters most.
| Target gas | LEL (combustible gas), O₂, CO, H₂S |
|---|---|
| Sampling method | Diffusion type |
| Principle of detection | Catalytic combustion (LEL), electrochemical sensors |
| Type of alarm | Gas alarm / fault alarm |
| Alarm indication | Visual (LED), audible (buzzer), vibration alarm |
| IP rating | IP66 / IP68 |
| Approvals | ATEX, IECEx, Japan Ex |
| CE marking | EMC / ATEX / RoHS |
| Power source | Rechargeable lithium-ion battery |
| Continuous operation | 25 hours (fully charged) |
| Dimensions | Approx. 58 × 65 × 26 mm |
| Weight | Approx. 100 g |
| Operating temperature range | -20 °C to +50 °C |