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RIKEN KEIKI GX-3R PRO

The Riken Keiki GX-3R Pro is a compact and reliable portable multi-gas detector designed for professional personal monitoring in demanding environments. Lightweight and robust, it ensures accurate detection of multiple gases and maximum safety during daily operations.

Riken Keiki

GX-3R Pro advanced portable multi-gas detector

 

The Riken Keiki GX-3R Pro is an advanced portable multi-gas detector designed for professional use in marine, offshore, and industrial environments. It fully complies with the latest maritime safety standards, including Resolution MSC.581(110), meeting mandatory requirements for atmospheric testing within enclosed spaces on board ships.

In addition to monitoring combustible gases (LEL), oxygen (O₂), and CO/H₂S, the GX-3R Pro features a dedicated sensor for Carbon Dioxide (CO₂), providing essential protection against this odorless hazard. Engineered for durability and precision, the device features a rugged, compact housing with IP66/IP68 protection, ensuring dependable performance even in harsh environments. Its intuitive operation, clear display, and multiple alarm systems—including visual, audible, and vibration alerts—enable fast response in critical situations.

With its lightweight design and long battery life, the GX-3R Pro is ideal for continuous personal monitoring throughout long shifts. Enhanced reliability, minimal maintenance requirements, and consistent measurement accuracy make it a trusted solution for professionals who depend on precise gas detection every day.


The GX-3R Pro fully complies with the latest maritime safety standards, including Resolution MSC.581(110). This ensures it meets the mandatory requirements for portable gas detection equipment used for atmospheric testing at the entrance to and within enclosed spaces on board ships.

SPECIFICATIONS
Target gas LEL, O₂, CO, H₂S (configurable)
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

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